From e368155cdb05618055fa20718f1a5cc1f8dca2ba Mon Sep 17 00:00:00 2001
From: theoleuthardt <theoleuthardt12@gmail.com>
Date: Sat, 22 Feb 2025 14:29:36 +0100
Subject: [PATCH 1/6] feat: backend route for removing backgrounds from images
 with imgly

---
 backend/package-lock.json            | 1533 +++++++++++++++++++++++++-
 backend/package.json                 |    4 +-
 backend/server.ts                    |    2 +
 backend/src/routes/removebg.route.ts |   43 +
 4 files changed, 1580 insertions(+), 2 deletions(-)
 create mode 100644 backend/src/routes/removebg.route.ts

diff --git a/backend/package-lock.json b/backend/package-lock.json
index b6705e9..730f3a5 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -11,13 +11,15 @@
       "dependencies": {
         "@fastify/cors": "^10.0.2",
         "@fastify/multipart": "^9.0.3",
+        "@imgly/background-removal-node": "^1.4.5",
         "dotenv": "^16.4.7",
         "fastify": "^5.2.1",
         "fastify-cors": "^6.0.3",
         "fastify-multipart": "^5.3.1",
         "libreoffice-convert": "^1.6.0",
         "luxon": "^3.5.0",
-        "qrcode": "^1.5.4"
+        "qrcode": "^1.5.4",
+        "sharp": "^0.33.5"
       },
       "devDependencies": {
         "@types/luxon": "^3.4.2",
@@ -41,6 +43,16 @@
         "node": ">=12"
       }
     },
+    "node_modules/@emnapi/runtime": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/@emnapi/runtime/-/runtime-1.3.1.tgz",
+      "integrity": "sha512-kEBmG8KyqtxJZv+ygbEim+KCGtIq1fC22Ms3S4ziXmYKm8uyoLX0MHONVKwp+9opg390VaKRNt4a7A9NwmpNhw==",
+      "license": "MIT",
+      "optional": true,
+      "dependencies": {
+        "tslib": "^2.4.0"
+      }
+    },
     "node_modules/@fastify/ajv-compiler": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/@fastify/ajv-compiler/-/ajv-compiler-4.0.2.tgz",
@@ -211,6 +223,529 @@
         "ipaddr.js": "^2.1.0"
       }
     },
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+      }
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+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
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+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
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+      "license": "Apache-2.0",
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+        "detect-libc": "^2.0.3",
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+        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
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+        "@img/sharp-darwin-x64": "0.33.5",
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+        "@img/sharp-libvips-darwin-x64": "1.0.4",
+        "@img/sharp-libvips-linux-arm": "1.0.5",
+        "@img/sharp-libvips-linux-arm64": "1.0.4",
+        "@img/sharp-libvips-linux-s390x": "1.0.4",
+        "@img/sharp-libvips-linux-x64": "1.0.4",
+        "@img/sharp-libvips-linuxmusl-arm64": "1.0.4",
+        "@img/sharp-libvips-linuxmusl-x64": "1.0.4",
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+        "@img/sharp-linux-arm64": "0.33.5",
+        "@img/sharp-linux-s390x": "0.33.5",
+        "@img/sharp-linux-x64": "0.33.5",
+        "@img/sharp-linuxmusl-arm64": "0.33.5",
+        "@img/sharp-linuxmusl-x64": "0.33.5",
+        "@img/sharp-wasm32": "0.33.5",
+        "@img/sharp-win32-ia32": "0.33.5",
+        "@img/sharp-win32-x64": "0.33.5"
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+      "dependencies": {
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+      },
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+      "license": "MIT",
+      "engines": {
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+      "license": "ISC",
+      "engines": {
+        "node": ">=14"
+      },
+      "funding": {
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+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "license": "MIT"
+    },
+    "node_modules/simple-get": {
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+      "resolved": "https://registry.npmjs.org/simple-get/-/simple-get-4.0.1.tgz",
+      "integrity": "sha512-brv7p5WgH0jmQJr1ZDDfKDOSeWWg+OVypG99A/5vYGPqJ6pxiaHLy8nxtFjBA7oMa01ebA9gfh1uMCFqOuXxvA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "decompress-response": "^6.0.0",
+        "once": "^1.3.1",
+        "simple-concat": "^1.0.0"
+      }
+    },
+    "node_modules/simple-swizzle": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/simple-swizzle/-/simple-swizzle-0.2.2.tgz",
+      "integrity": "sha512-JA//kQgZtbuY83m+xT+tXJkmJncGMTFT+C+g2h2R9uxkYIrE2yy9sgmcLhCnw57/WSD+Eh3J97FPEDFnbXnDUg==",
+      "license": "MIT",
+      "dependencies": {
+        "is-arrayish": "^0.3.1"
+      }
+    },
     "node_modules/sonic-boom": {
       "version": "4.2.0",
       "resolved": "https://registry.npmjs.org/sonic-boom/-/sonic-boom-4.2.0.tgz",
@@ -1177,6 +2531,28 @@
         "node": ">=4.0.0"
       }
     },
+    "node_modules/streamx": {
+      "version": "2.22.0",
+      "resolved": "https://registry.npmjs.org/streamx/-/streamx-2.22.0.tgz",
+      "integrity": "sha512-sLh1evHOzBy/iWRiR6d1zRcLao4gGZr3C1kzNz4fopCOKJb6xD9ub8Mpi9Mr1R6id5o43S+d93fI48UC5uM9aw==",
+      "license": "MIT",
+      "dependencies": {
+        "fast-fifo": "^1.3.2",
+        "text-decoder": "^1.1.0"
+      },
+      "optionalDependencies": {
+        "bare-events": "^2.2.0"
+      }
+    },
+    "node_modules/string_decoder": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
+      "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
+      "license": "MIT",
+      "dependencies": {
+        "safe-buffer": "~5.2.0"
+      }
+    },
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       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
@@ -1191,6 +2567,21 @@
         "node": ">=8"
       }
     },
+    "node_modules/string-width-cjs": {
+      "name": "string-width",
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
+      "integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==",
+      "license": "MIT",
+      "dependencies": {
+        "emoji-regex": "^8.0.0",
+        "is-fullwidth-code-point": "^3.0.0",
+        "strip-ansi": "^6.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/strip-ansi": {
       "version": "6.0.1",
       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
@@ -1203,6 +2594,79 @@
         "node": ">=8"
       }
     },
+    "node_modules/strip-ansi-cjs": {
+      "name": "strip-ansi",
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
+      "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
+      "license": "MIT",
+      "dependencies": {
+        "ansi-regex": "^5.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/strip-json-comments": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
+      "integrity": "sha512-4gB8na07fecVVkOI6Rs4e7T6NOTki5EmL7TUduTs6bu3EdnSycntVJ4re8kgZA+wx9IueI2Y11bfbgwtzuE0KQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/tar": {
+      "version": "7.4.3",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-7.4.3.tgz",
+      "integrity": "sha512-5S7Va8hKfV7W5U6g3aYxXmlPoZVAwUMy9AOKyF2fVuZa2UD3qZjg578OrLRt8PcNN1PleVaL/5/yYATNL0ICUw==",
+      "license": "ISC",
+      "dependencies": {
+        "@isaacs/fs-minipass": "^4.0.0",
+        "chownr": "^3.0.0",
+        "minipass": "^7.1.2",
+        "minizlib": "^3.0.1",
+        "mkdirp": "^3.0.1",
+        "yallist": "^5.0.0"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/tar-fs": {
+      "version": "3.0.8",
+      "resolved": "https://registry.npmjs.org/tar-fs/-/tar-fs-3.0.8.tgz",
+      "integrity": "sha512-ZoROL70jptorGAlgAYiLoBLItEKw/fUxg9BSYK/dF/GAGYFJOJJJMvjPAKDJraCXFwadD456FCuvLWgfhMsPwg==",
+      "license": "MIT",
+      "dependencies": {
+        "pump": "^3.0.0",
+        "tar-stream": "^3.1.5"
+      },
+      "optionalDependencies": {
+        "bare-fs": "^4.0.1",
+        "bare-path": "^3.0.0"
+      }
+    },
+    "node_modules/tar-stream": {
+      "version": "3.1.7",
+      "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-3.1.7.tgz",
+      "integrity": "sha512-qJj60CXt7IU1Ffyc3NJMjh6EkuCFej46zUqJ4J7pqYlThyd9bO0XBTmcOIhSzZJVWfsLks0+nle/j538YAW9RQ==",
+      "license": "MIT",
+      "dependencies": {
+        "b4a": "^1.6.4",
+        "fast-fifo": "^1.2.0",
+        "streamx": "^2.15.0"
+      }
+    },
+    "node_modules/text-decoder": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/text-decoder/-/text-decoder-1.2.3.tgz",
+      "integrity": "sha512-3/o9z3X0X0fTupwsYvR03pJ/DjWuqqrfwBgTQzdWDiQSm9KitAyz/9WqsT2JQW7KV2m+bC2ol/zqpW37NHxLaA==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "b4a": "^1.6.4"
+      }
+    },
     "node_modules/text-decoding": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/text-decoding/-/text-decoding-1.0.0.tgz",
@@ -1280,6 +2744,25 @@
         }
       }
     },
+    "node_modules/tslib": {
+      "version": "2.8.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
+      "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
+      "license": "0BSD",
+      "optional": true
+    },
+    "node_modules/tunnel-agent": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
+      "integrity": "sha512-McnNiV1l8RYeY8tBgEpuodCC1mLUdbSN+CYBL7kJsJNInOP8UjDDEwdk6Mw60vdLLrr5NHKZhMAOSrR2NZuQ+w==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "safe-buffer": "^5.0.1"
+      },
+      "engines": {
+        "node": "*"
+      }
+    },
     "node_modules/typescript": {
       "version": "5.7.3",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.7.3.tgz",
@@ -1301,6 +2784,12 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==",
+      "license": "MIT"
+    },
     "node_modules/v8-compile-cache-lib": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/v8-compile-cache-lib/-/v8-compile-cache-lib-3.0.1.tgz",
@@ -1317,6 +2806,21 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/which": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
+      "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
+      "license": "ISC",
+      "dependencies": {
+        "isexe": "^2.0.0"
+      },
+      "bin": {
+        "node-which": "bin/node-which"
+      },
+      "engines": {
+        "node": ">= 8"
+      }
+    },
     "node_modules/which-module": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.1.tgz",
@@ -1337,6 +2841,24 @@
         "node": ">=8"
       }
     },
+    "node_modules/wrap-ansi-cjs": {
+      "name": "wrap-ansi",
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",
+      "integrity": "sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==",
+      "license": "MIT",
+      "dependencies": {
+        "ansi-styles": "^4.0.0",
+        "string-width": "^4.1.0",
+        "strip-ansi": "^6.0.0"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/wrap-ansi?sponsor=1"
+      }
+    },
     "node_modules/wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
@@ -1349,6 +2871,15 @@
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       "license": "ISC"
     },
+    "node_modules/yallist": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-5.0.0.tgz",
+      "integrity": "sha512-YgvUTfwqyc7UXVMrB+SImsVYSmTS8X/tSrtdNZMImM+n7+QTriRXyXim0mBrTXNeqzVF0KWGgHPeiyViFFrNDw==",
+      "license": "BlueOak-1.0.0",
+      "engines": {
+        "node": ">=18"
+      }
+    },
     "node_modules/yargs": {
       "version": "15.4.1",
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-15.4.1.tgz",
diff --git a/backend/package.json b/backend/package.json
index ab5c3e8..d616ed5 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -14,13 +14,15 @@
   "dependencies": {
     "@fastify/cors": "^10.0.2",
     "@fastify/multipart": "^9.0.3",
+    "@imgly/background-removal-node": "^1.4.5",
     "dotenv": "^16.4.7",
     "fastify": "^5.2.1",
     "fastify-cors": "^6.0.3",
     "fastify-multipart": "^5.3.1",
     "libreoffice-convert": "^1.6.0",
     "luxon": "^3.5.0",
-    "qrcode": "^1.5.4"
+    "qrcode": "^1.5.4",
+    "sharp": "^0.33.5"
   },
   "devDependencies": {
     "@types/luxon": "^3.4.2",
diff --git a/backend/server.ts b/backend/server.ts
index 7593215..e73109a 100644
--- a/backend/server.ts
+++ b/backend/server.ts
@@ -8,6 +8,7 @@ import { regexTest } from "./src/routes/regextest.route";
 import { tmzConvert } from "./src/routes/tmzconvert.route";
 import { generateQRCode } from "./src/routes/generateqrcode.route";
 import { wordCounter } from "./src/routes/wordcounter.route";
+import { removeBG } from "./src/routes/removebg.route";
 
 const app = Fastify({ logger: true });
 
@@ -25,6 +26,7 @@ app.register(regexTest);
 app.register(tmzConvert);
 app.register(generateQRCode);
 app.register(wordCounter);
+app.register(removeBG);
 
 const PORT = process.env.PORT || 4000;
 app.listen({ port: Number(PORT), host: "0.0.0.0" }, () => {
diff --git a/backend/src/routes/removebg.route.ts b/backend/src/routes/removebg.route.ts
new file mode 100644
index 0000000..ea06ebe
--- /dev/null
+++ b/backend/src/routes/removebg.route.ts
@@ -0,0 +1,43 @@
+import { FastifyInstance, FastifyReply, FastifyRequest } from "fastify";
+import { Config, removeBackground } from "@imgly/background-removal-node";
+import sharp from "sharp";
+
+export async function removeBG(app: FastifyInstance) {
+  app.post(
+    "/api/remove-bg",
+    async (request: FastifyRequest, reply: FastifyReply) => {
+      try {
+        const parts = request.parts();
+
+        let fileBuffer: Buffer | null = null;
+
+        for await (const part of parts) {
+          if (part.type === "file") {
+            fileBuffer = await part.toBuffer();
+          }
+        }
+
+        if (!fileBuffer) {
+          return reply.status(400).send({ error: "No file uploaded!" });
+        }
+
+        console.log("Received file, buffer length:", fileBuffer.length);
+
+        const rightFileBuffer = await sharp(fileBuffer)
+          .toFormat("png")
+          .toBuffer();
+        console.log("Converted file:", rightFileBuffer);
+        const convertedBuffer = await removeBackground(rightFileBuffer);
+
+        reply
+          .header("Content-Type", "image/png")
+          .header("Content-Disposition", `attachment; filename="converted.png"`)
+          .status(200)
+          .send(convertedBuffer);
+      } catch (error) {
+        console.error("Convert error:", error);
+        reply.status(500).send({ error: "Error while converting!" });
+      }
+    },
+  );
+}

From 9cc7fe61d8cd68523b189e5b1066d0c1cd09ff46 Mon Sep 17 00:00:00 2001
From: theoleuthardt <theoleuthardt12@gmail.com>
Date: Sat, 22 Feb 2025 14:30:02 +0100
Subject: [PATCH 2/6] fix: no config needed anymore

---
 backend/src/routes/removebg.route.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/src/routes/removebg.route.ts b/backend/src/routes/removebg.route.ts
index ea06ebe..30bb17e 100644
--- a/backend/src/routes/removebg.route.ts
+++ b/backend/src/routes/removebg.route.ts
@@ -1,5 +1,5 @@
 import { FastifyInstance, FastifyReply, FastifyRequest } from "fastify";
-import { Config, removeBackground } from "@imgly/background-removal-node";
+import { removeBackground } from "@imgly/background-removal-node";
 import sharp from "sharp";
 
 export async function removeBG(app: FastifyInstance) {

From ad7d94c8d054c79da7c35a7495e9d24b1f8f86dd Mon Sep 17 00:00:00 2001
From: theoleuthardt <theoleuthardt12@gmail.com>
Date: Sat, 22 Feb 2025 14:30:52 +0100
Subject: [PATCH 3/6] feat: frontend page with remove bg api call and automatic
 download of output image

---
 frontend/src/app/bg-remover/layout.tsx | 20 ++++++
 frontend/src/app/bg-remover/page.tsx   | 96 ++++++++++++++++++++++++++
 2 files changed, 116 insertions(+)
 create mode 100644 frontend/src/app/bg-remover/layout.tsx
 create mode 100644 frontend/src/app/bg-remover/page.tsx

diff --git a/frontend/src/app/bg-remover/layout.tsx b/frontend/src/app/bg-remover/layout.tsx
new file mode 100644
index 0000000..4f2608a
--- /dev/null
+++ b/frontend/src/app/bg-remover/layout.tsx
@@ -0,0 +1,20 @@
+import React from "react";
+import type { Metadata } from "next";
+import { toolLinks } from "@/constants";
+
+export const metadata: Metadata = {
+  title: toolLinks[6].title,
+  description: "Remove backgrounds from your images!",
+};
+
+export default function RootLayout({
+  children,
+}: Readonly<{
+  children: React.ReactNode;
+}>) {
+  return (
+    <html lang="en">
+      <body className={`antialiased`}>{children}</body>
+    </html>
+  );
+}
diff --git a/frontend/src/app/bg-remover/page.tsx b/frontend/src/app/bg-remover/page.tsx
new file mode 100644
index 0000000..7ddf051
--- /dev/null
+++ b/frontend/src/app/bg-remover/page.tsx
@@ -0,0 +1,96 @@
+"use client";
+import React, { useState } from "react";
+import Navbar from "../../components/Navbar";
+import Footer from "../../components/Footer";
+import Button from "../../components/Button";
+
+export default function BGRemover() {
+  const [file, setFile] = useState<File | null>(null);
+  const [loading, setLoading] = useState(false);
+
+  const handleFileChange = (event: React.ChangeEvent<HTMLInputElement>) => {
+    event.preventDefault();
+
+    if (event.target.files && event.target.files.length > 0) {
+      const selectedFile = event.target.files[0];
+      setFile(selectedFile);
+    }
+  };
+
+  const removeBG = async () => {
+    if (!file) {
+      alert("No file selected");
+      return;
+    } else if (file.size > 5 * 1024 * 1024) {
+      alert("File size should be less than 5MB");
+      return;
+    }
+
+    const formData = new FormData();
+    formData.append("file", file);
+
+    setLoading(true);
+
+    try {
+      const response = await fetch(process.env.backend_url + "/api/remove-bg", {
+        method: "POST",
+        body: formData,
+      });
+
+      if (!response.ok) {
+        console.error(`Error: ${response.statusText}`);
+        return;
+      }
+
+      const blob = await response.blob();
+      const url = window.URL.createObjectURL(blob);
+      const filename = file.name.split(".")[0];
+
+      const a = document.createElement("a");
+      a.href = url;
+      a.download = `${filename}.png`;
+      document.body.appendChild(a);
+      a.click();
+      document.body.removeChild(a);
+
+      setTimeout(() => {
+        URL.revokeObjectURL(url);
+      }, 5000);
+    } catch (error) {
+      console.error("Error while converting:", error);
+      alert("Error while converting!");
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  return (
+    <div className="w-screen h-auto min-h-screen bg-black text-white font-noto flex flex-col items-center">
+      <Navbar renderHomeLink={true} />
+      <div className="w-screen h-auto min-h-[calc(100vh-80px-60px)] flex flex-1 flex-col items-center justify-center">
+        <h2 className="text-5xl font-bold text-white mb-16">bg-remover</h2>
+        <div className="h-36 flex flex-row items-center justify-center gap-4">
+          <input
+            type="file"
+            className="h-16 border-2 border-white p-3 rounded-xl text-2xl text-center text-white"
+            id="documentUpload"
+            onChange={handleFileChange}
+          />
+        </div>
+        <div className={"flex flex-row items-center gap-4 mt-4 mb-16"}>
+          <Button
+            content={
+              loading ? (
+                <div className="h-10 w-10 border-8 border-blue-100 border-t-blue-500 rounded-full animate-spin" />
+              ) : (
+                "remove background"
+              )
+            }
+            onClick={removeBG}
+          />
+        </div>
+      </div>
+      <Footer className="flex justify-center items-end" />
+    </div>
+  );
+}

From 6bca341d505c9ca6e5a5dfd24599b526b6083255 Mon Sep 17 00:00:00 2001
From: theoleuthardt <theoleuthardt12@gmail.com>
Date: Sat, 22 Feb 2025 15:30:49 +0100
Subject: [PATCH 4/6] fix: severity vulnerability issues on bg remove package

---
 backend/package-lock.json | 47 +++++++++++++++++----------------------
 backend/package.json      |  2 +-
 2 files changed, 21 insertions(+), 28 deletions(-)

diff --git a/backend/package-lock.json b/backend/package-lock.json
index 730f3a5..2691090 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -11,7 +11,7 @@
       "dependencies": {
         "@fastify/cors": "^10.0.2",
         "@fastify/multipart": "^9.0.3",
-        "@imgly/background-removal-node": "^1.4.5",
+        "@imgly/background-removal-node": "^1.4.3",
         "dotenv": "^16.4.7",
         "fastify": "^5.2.1",
         "fastify-cors": "^6.0.3",
@@ -585,19 +585,18 @@
       }
     },
     "node_modules/@imgly/background-removal-node": {
-      "version": "1.4.5",
-      "resolved": "https://registry.npmjs.org/@imgly/background-removal-node/-/background-removal-node-1.4.5.tgz",
-      "integrity": "sha512-/s9K88qhKy1jPhrSkBxurUqCVqJ8KHWCc+5yWdppdC4fuSrGC8mK8WQtmULs2ASEr8naY1qpvZu0EL5jr2Hqtg==",
+      "version": "1.4.3",
+      "resolved": "https://registry.npmjs.org/@imgly/background-removal-node/-/background-removal-node-1.4.3.tgz",
+      "integrity": "sha512-oLt4HlNDcpL4M7v7Z+aLeNnK/g0vPmyGyZmkRgzomPvr/jEo56xNS5o+WArapNZliEaZv2LtF34KlghdLgNtuQ==",
       "license": "SEE LICENSE IN LICENSE.md",
       "dependencies": {
-        "@types/lodash": "~4.14.195",
-        "@types/ndarray": "~1.0.14",
-        "@types/node": "~20.3.1",
-        "lodash": "~4.17.21",
-        "ndarray": "~1.0.19",
-        "onnxruntime-node": "~1.17.0",
-        "sharp": "~0.32.4",
-        "zod": "~3.21.4"
+        "@types/lodash": "^4.14.195",
+        "@types/node": "^20.3.1",
+        "lodash": "^4.17.21",
+        "ndarray": "^1.0.19",
+        "onnxruntime-node": "^1.15.1",
+        "sharp": "^0.32.4",
+        "zod": "^3.21.4"
       }
     },
     "node_modules/@imgly/background-removal-node/node_modules/@types/node": {
@@ -629,15 +628,6 @@
         "url": "https://opencollective.com/libvips"
       }
     },
-    "node_modules/@imgly/background-removal-node/node_modules/zod": {
-      "version": "3.21.4",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.21.4.tgz",
-      "integrity": "sha512-m46AKbrzKVzOzs/DZgVnG5H55N1sv1M8qZU3A8RIKbs3mrACDNeIOeilDymVb2HdmP8uwshOCF4uJ8uM9rCqJw==",
-      "license": "MIT",
-      "funding": {
-        "url": "https://github.com/sponsors/colinhacks"
-      }
-    },
     "node_modules/@isaacs/cliui": {
       "version": "8.0.2",
       "resolved": "https://registry.npmjs.org/@isaacs/cliui/-/cliui-8.0.2.tgz",
@@ -825,12 +815,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/@types/ndarray": {
-      "version": "1.0.14",
-      "resolved": "https://registry.npmjs.org/@types/ndarray/-/ndarray-1.0.14.tgz",
-      "integrity": "sha512-oANmFZMnFQvb219SSBIhI1Ih/r4CvHDOzkWyJS/XRqkMrGH5/kaPSA1hQhdIBzouaE+5KpE/f5ylI9cujmckQg==",
-      "license": "MIT"
-    },
     "node_modules/@types/node": {
       "version": "22.13.4",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-22.13.4.tgz",
@@ -2924,6 +2908,15 @@
       "engines": {
         "node": ">=6"
       }
+    },
+    "node_modules/zod": {
+      "version": "3.24.2",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-3.24.2.tgz",
+      "integrity": "sha512-lY7CDW43ECgW9u1TcT3IoXHflywfVqDYze4waEz812jR/bZ8FHDsl7pFQoSZTz5N+2NqRXs8GBwnAwo3ZNxqhQ==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
     }
   }
 }
diff --git a/backend/package.json b/backend/package.json
index d616ed5..18deae4 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -14,7 +14,7 @@
   "dependencies": {
     "@fastify/cors": "^10.0.2",
     "@fastify/multipart": "^9.0.3",
-    "@imgly/background-removal-node": "^1.4.5",
+    "@imgly/background-removal-node": "^1.4.3",
     "dotenv": "^16.4.7",
     "fastify": "^5.2.1",
     "fastify-cors": "^6.0.3",

From 1a63971fffebcb531c3b2583cca4f4735f09a055 Mon Sep 17 00:00:00 2001
From: theoleuthardt <theoleuthardt12@gmail.com>
Date: Sat, 22 Feb 2025 22:29:26 +0100
Subject: [PATCH 5/6] fix: removed bad error handling structure, using good
 error handling like video-to-audio route with tmp files

---
 backend/package-lock.json            | 1526 +-------------------------
 backend/package.json                 |    4 +-
 backend/src/routes/removebg.route.ts |   51 +-
 3 files changed, 45 insertions(+), 1536 deletions(-)

diff --git a/backend/package-lock.json b/backend/package-lock.json
index 2691090..b6705e9 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -11,15 +11,13 @@
       "dependencies": {
         "@fastify/cors": "^10.0.2",
         "@fastify/multipart": "^9.0.3",
-        "@imgly/background-removal-node": "^1.4.3",
         "dotenv": "^16.4.7",
         "fastify": "^5.2.1",
         "fastify-cors": "^6.0.3",
         "fastify-multipart": "^5.3.1",
         "libreoffice-convert": "^1.6.0",
         "luxon": "^3.5.0",
-        "qrcode": "^1.5.4",
-        "sharp": "^0.33.5"
+        "qrcode": "^1.5.4"
       },
       "devDependencies": {
         "@types/luxon": "^3.4.2",
@@ -43,16 +41,6 @@
         "node": ">=12"
       }
     },
-    "node_modules/@emnapi/runtime": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/@emnapi/runtime/-/runtime-1.3.1.tgz",
-      "integrity": "sha512-kEBmG8KyqtxJZv+ygbEim+KCGtIq1fC22Ms3S4ziXmYKm8uyoLX0MHONVKwp+9opg390VaKRNt4a7A9NwmpNhw==",
-      "license": "MIT",
-      "optional": true,
-      "dependencies": {
-        "tslib": "^2.4.0"
-      }
-    },
     "node_modules/@fastify/ajv-compiler": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/@fastify/ajv-compiler/-/ajv-compiler-4.0.2.tgz",
@@ -223,519 +211,6 @@
         "ipaddr.js": "^2.1.0"
       }
     },
-    "node_modules/@img/sharp-darwin-arm64": {
-      "version": "0.33.5",
-      "resolved": "https://registry.npmjs.org/@img/sharp-darwin-arm64/-/sharp-darwin-arm64-0.33.5.tgz",
-      "integrity": "sha512-UT4p+iz/2H4twwAoLCqfA9UH5pI6DggwKEGuaPy7nCVQ8ZsiY5PIcrRvD1DzuY3qYL07NtIQcWnBSY/heikIFQ==",
-      "cpu": [
-        "arm64"
-      ],
-      "license": "Apache-2.0",
-      "optional": true,
-      "os": [
-        "darwin"
-      ],
-      "engines": {
-        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/libvips"
-      },
-      "optionalDependencies": {
-        "@img/sharp-libvips-darwin-arm64": "1.0.4"
-      }
-    },
-    "node_modules/@img/sharp-darwin-x64": {
-      "version": "0.33.5",
-      "resolved": "https://registry.npmjs.org/@img/sharp-darwin-x64/-/sharp-darwin-x64-0.33.5.tgz",
-      "integrity": "sha512-fyHac4jIc1ANYGRDxtiqelIbdWkIuQaI84Mv45KvGRRxSAa7o7d1ZKAOBaYbnepLC1WqxfpimdeWfvqqSGwR2Q==",
-      "cpu": [
-        "x64"
-      ],
-      "license": "Apache-2.0",
-      "optional": true,
-      "os": [
-        "darwin"
-      ],
-      "engines": {
-        "node": "^18.17.0 || ^20.3.0 || >=21.0.0"
-      },
-      "funding": {
-        "url": "https://opencollective.com/libvips"
-      },
-      "optionalDependencies": {
-        "@img/sharp-libvips-darwin-x64": "1.0.4"
-      }
-    },
-    "node_modules/@img/sharp-libvips-darwin-arm64": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-darwin-arm64/-/sharp-libvips-darwin-arm64-1.0.4.tgz",
-      "integrity": "sha512-XblONe153h0O2zuFfTAbQYAX2JhYmDHeWikp1LM9Hul9gVPjFY427k6dFEcOL72O01QxQsWi761svJ/ev9xEDg==",
-      "cpu": [
-        "arm64"
-      ],
-      "license": "LGPL-3.0-or-later",
-      "optional": true,
-      "os": [
-        "darwin"
-      ],
-      "funding": {
-        "url": "https://opencollective.com/libvips"
-      }
-    },
-    "node_modules/@img/sharp-libvips-darwin-x64": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-darwin-x64/-/sharp-libvips-darwin-x64-1.0.4.tgz",
-      "integrity": "sha512-xnGR8YuZYfJGmWPvmlunFaWJsb9T/AO2ykoP3Fz/0X5XV2aoYBPkX6xqCQvUTKKiLddarLaxpzNe+b1hjeWHAQ==",
-      "cpu": [
-        "x64"
-      ],
-      "license": "LGPL-3.0-or-later",
-      "optional": true,
-      "os": [
-        "darwin"
-      ],
-      "funding": {
-        "url": "https://opencollective.com/libvips"
-      }
-    },
-    "node_modules/@img/sharp-libvips-linux-arm": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-linux-arm/-/sharp-libvips-linux-arm-1.0.5.tgz",
-      "integrity": "sha512-gvcC4ACAOPRNATg/ov8/MnbxFDJqf/pDePbBnuBDcjsI8PssmjoKMAz4LtLaVi+OnSb5FK/yIOamqDwGmXW32g==",
-      "cpu": [
-        "arm"
-      ],
-      "license": "LGPL-3.0-or-later",
-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "funding": {
-        "url": "https://opencollective.com/libvips"
-      }
-    },
-    "node_modules/@img/sharp-libvips-linux-arm64": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-linux-arm64/-/sharp-libvips-linux-arm64-1.0.4.tgz",
-      "integrity": "sha512-9B+taZ8DlyyqzZQnoeIvDVR/2F4EbMepXMc/NdVbkzsJbzkUjhXv/70GQJ7tdLA4YJgNP25zukcxpX2/SueNrA==",
-      "cpu": [
-        "arm64"
-      ],
-      "license": "LGPL-3.0-or-later",
-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "funding": {
-        "url": "https://opencollective.com/libvips"
-      }
-    },
-    "node_modules/@img/sharp-libvips-linux-s390x": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-linux-s390x/-/sharp-libvips-linux-s390x-1.0.4.tgz",
-      "integrity": "sha512-u7Wz6ntiSSgGSGcjZ55im6uvTrOxSIS8/dgoVMoiGE9I6JAfU50yH5BoDlYA1tcuGS7g/QNtetJnxA6QEsCVTA==",
-      "cpu": [
-        "s390x"
-      ],
-      "license": "LGPL-3.0-or-later",
-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "funding": {
-        "url": "https://opencollective.com/libvips"
-      }
-    },
-    "node_modules/@img/sharp-libvips-linux-x64": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-linux-x64/-/sharp-libvips-linux-x64-1.0.4.tgz",
-      "integrity": "sha512-MmWmQ3iPFZr0Iev+BAgVMb3ZyC4KeFc3jFxnNbEPas60e1cIfevbtuyf9nDGIzOaW9PdnDciJm+wFFaTlj5xYw==",
-      "cpu": [
-        "x64"
-      ],
-      "license": "LGPL-3.0-or-later",
-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "funding": {
-        "url": "https://opencollective.com/libvips"
-      }
-    },
-    "node_modules/@img/sharp-libvips-linuxmusl-arm64": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/@img/sharp-libvips-linuxmusl-arm64/-/sharp-libvips-linuxmusl-arm64-1.0.4.tgz",
-      "integrity": "sha512-9Ti+BbTYDcsbp4wfYib8Ctm1ilkugkA/uscUn6UXK1ldpC1JjiXbLfFZtRlBhjPZ5o1NCLiDbg8fhUPKStHoTA==",
-      "cpu": [
-        "arm64"
-      ],
-      "license": "LGPL-3.0-or-later",
-      "optional": true,
-      "os": [
-        "linux"
-      ],
-      "funding": {
-        "url": "https://opencollective.com/libvips"
-      }
-    },
-    "node_modules/@img/sharp-libvips-linuxmusl-x64": {
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-        "fast-fifo": "^1.3.2",
-        "text-decoder": "^1.1.0"
-      },
-      "optionalDependencies": {
-        "bare-events": "^2.2.0"
-      }
-    },
-    "node_modules/string_decoder": {
-      "version": "1.3.0",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.3.0.tgz",
-      "integrity": "sha512-hkRX8U1WjJFd8LsDJ2yQ/wWWxaopEsABU1XfkM8A+j0+85JAGppt16cr1Whg6KIbb4okU6Mql6BOj+uup/wKeA==",
-      "license": "MIT",
-      "dependencies": {
-        "safe-buffer": "~5.2.0"
-      }
-    },
     "node_modules/string-width": {
       "version": "4.2.3",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
@@ -2551,21 +1191,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/string-width-cjs": {
-      "name": "string-width",
-      "version": "4.2.3",
-      "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
-      "integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==",
-      "license": "MIT",
-      "dependencies": {
-        "emoji-regex": "^8.0.0",
-        "is-fullwidth-code-point": "^3.0.0",
-        "strip-ansi": "^6.0.1"
-      },
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/strip-ansi": {
       "version": "6.0.1",
       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
@@ -2578,79 +1203,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/strip-ansi-cjs": {
-      "name": "strip-ansi",
-      "version": "6.0.1",
-      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
-      "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
-      "license": "MIT",
-      "dependencies": {
-        "ansi-regex": "^5.0.1"
-      },
-      "engines": {
-        "node": ">=8"
-      }
-    },
-    "node_modules/strip-json-comments": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
-      "integrity": "sha512-4gB8na07fecVVkOI6Rs4e7T6NOTki5EmL7TUduTs6bu3EdnSycntVJ4re8kgZA+wx9IueI2Y11bfbgwtzuE0KQ==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
-    "node_modules/tar": {
-      "version": "7.4.3",
-      "resolved": "https://registry.npmjs.org/tar/-/tar-7.4.3.tgz",
-      "integrity": "sha512-5S7Va8hKfV7W5U6g3aYxXmlPoZVAwUMy9AOKyF2fVuZa2UD3qZjg578OrLRt8PcNN1PleVaL/5/yYATNL0ICUw==",
-      "license": "ISC",
-      "dependencies": {
-        "@isaacs/fs-minipass": "^4.0.0",
-        "chownr": "^3.0.0",
-        "minipass": "^7.1.2",
-        "minizlib": "^3.0.1",
-        "mkdirp": "^3.0.1",
-        "yallist": "^5.0.0"
-      },
-      "engines": {
-        "node": ">=18"
-      }
-    },
-    "node_modules/tar-fs": {
-      "version": "3.0.8",
-      "resolved": "https://registry.npmjs.org/tar-fs/-/tar-fs-3.0.8.tgz",
-      "integrity": "sha512-ZoROL70jptorGAlgAYiLoBLItEKw/fUxg9BSYK/dF/GAGYFJOJJJMvjPAKDJraCXFwadD456FCuvLWgfhMsPwg==",
-      "license": "MIT",
-      "dependencies": {
-        "pump": "^3.0.0",
-        "tar-stream": "^3.1.5"
-      },
-      "optionalDependencies": {
-        "bare-fs": "^4.0.1",
-        "bare-path": "^3.0.0"
-      }
-    },
-    "node_modules/tar-stream": {
-      "version": "3.1.7",
-      "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-3.1.7.tgz",
-      "integrity": "sha512-qJj60CXt7IU1Ffyc3NJMjh6EkuCFej46zUqJ4J7pqYlThyd9bO0XBTmcOIhSzZJVWfsLks0+nle/j538YAW9RQ==",
-      "license": "MIT",
-      "dependencies": {
-        "b4a": "^1.6.4",
-        "fast-fifo": "^1.2.0",
-        "streamx": "^2.15.0"
-      }
-    },
-    "node_modules/text-decoder": {
-      "version": "1.2.3",
-      "resolved": "https://registry.npmjs.org/text-decoder/-/text-decoder-1.2.3.tgz",
-      "integrity": "sha512-3/o9z3X0X0fTupwsYvR03pJ/DjWuqqrfwBgTQzdWDiQSm9KitAyz/9WqsT2JQW7KV2m+bC2ol/zqpW37NHxLaA==",
-      "license": "Apache-2.0",
-      "dependencies": {
-        "b4a": "^1.6.4"
-      }
-    },
     "node_modules/text-decoding": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/text-decoding/-/text-decoding-1.0.0.tgz",
@@ -2728,25 +1280,6 @@
         }
       }
     },
-    "node_modules/tslib": {
-      "version": "2.8.1",
-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.8.1.tgz",
-      "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
-      "license": "0BSD",
-      "optional": true
-    },
-    "node_modules/tunnel-agent": {
-      "version": "0.6.0",
-      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
-      "integrity": "sha512-McnNiV1l8RYeY8tBgEpuodCC1mLUdbSN+CYBL7kJsJNInOP8UjDDEwdk6Mw60vdLLrr5NHKZhMAOSrR2NZuQ+w==",
-      "license": "Apache-2.0",
-      "dependencies": {
-        "safe-buffer": "^5.0.1"
-      },
-      "engines": {
-        "node": "*"
-      }
-    },
     "node_modules/typescript": {
       "version": "5.7.3",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.7.3.tgz",
@@ -2768,12 +1301,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/util-deprecate": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-      "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==",
-      "license": "MIT"
-    },
     "node_modules/v8-compile-cache-lib": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/v8-compile-cache-lib/-/v8-compile-cache-lib-3.0.1.tgz",
@@ -2790,21 +1317,6 @@
         "node": ">= 0.8"
       }
     },
-    "node_modules/which": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
-      "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
-      "license": "ISC",
-      "dependencies": {
-        "isexe": "^2.0.0"
-      },
-      "bin": {
-        "node-which": "bin/node-which"
-      },
-      "engines": {
-        "node": ">= 8"
-      }
-    },
     "node_modules/which-module": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.1.tgz",
@@ -2825,24 +1337,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/wrap-ansi-cjs": {
-      "name": "wrap-ansi",
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",
-      "integrity": "sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==",
-      "license": "MIT",
-      "dependencies": {
-        "ansi-styles": "^4.0.0",
-        "string-width": "^4.1.0",
-        "strip-ansi": "^6.0.0"
-      },
-      "engines": {
-        "node": ">=10"
-      },
-      "funding": {
-        "url": "https://github.com/chalk/wrap-ansi?sponsor=1"
-      }
-    },
     "node_modules/wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
@@ -2855,15 +1349,6 @@
       "integrity": "sha512-JKhqTOwSrqNA1NY5lSztJ1GrBiUodLMmIZuLiDaMRJ+itFd+ABVE8XBjOvIWL+rSqNDC74LCSFmlb/U4UZ4hJQ==",
       "license": "ISC"
     },
-    "node_modules/yallist": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/yallist/-/yallist-5.0.0.tgz",
-      "integrity": "sha512-YgvUTfwqyc7UXVMrB+SImsVYSmTS8X/tSrtdNZMImM+n7+QTriRXyXim0mBrTXNeqzVF0KWGgHPeiyViFFrNDw==",
-      "license": "BlueOak-1.0.0",
-      "engines": {
-        "node": ">=18"
-      }
-    },
     "node_modules/yargs": {
       "version": "15.4.1",
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-15.4.1.tgz",
@@ -2908,15 +1393,6 @@
       "engines": {
         "node": ">=6"
       }
-    },
-    "node_modules/zod": {
-      "version": "3.24.2",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.24.2.tgz",
-      "integrity": "sha512-lY7CDW43ECgW9u1TcT3IoXHflywfVqDYze4waEz812jR/bZ8FHDsl7pFQoSZTz5N+2NqRXs8GBwnAwo3ZNxqhQ==",
-      "license": "MIT",
-      "funding": {
-        "url": "https://github.com/sponsors/colinhacks"
-      }
     }
   }
 }
diff --git a/backend/package.json b/backend/package.json
index 18deae4..ab5c3e8 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -14,15 +14,13 @@
   "dependencies": {
     "@fastify/cors": "^10.0.2",
     "@fastify/multipart": "^9.0.3",
-    "@imgly/background-removal-node": "^1.4.3",
     "dotenv": "^16.4.7",
     "fastify": "^5.2.1",
     "fastify-cors": "^6.0.3",
     "fastify-multipart": "^5.3.1",
     "libreoffice-convert": "^1.6.0",
     "luxon": "^3.5.0",
-    "qrcode": "^1.5.4",
-    "sharp": "^0.33.5"
+    "qrcode": "^1.5.4"
   },
   "devDependencies": {
     "@types/luxon": "^3.4.2",
diff --git a/backend/src/routes/removebg.route.ts b/backend/src/routes/removebg.route.ts
index 30bb17e..ed55bf9 100644
--- a/backend/src/routes/removebg.route.ts
+++ b/backend/src/routes/removebg.route.ts
@@ -1,13 +1,21 @@
 import { FastifyInstance, FastifyReply, FastifyRequest } from "fastify";
-import { removeBackground } from "@imgly/background-removal-node";
-import sharp from "sharp";
+import { promises as fs } from "fs";
+import * as path from "path";
+import { randomUUID } from "crypto";
+import { spawn } from "child_process";
 
 export async function removeBG(app: FastifyInstance) {
   app.post(
     "/api/remove-bg",
     async (request: FastifyRequest, reply: FastifyReply) => {
+      const tmpDir = path.join(process.cwd(), "tmp");
+      const sessionId = randomUUID();
+      const inputPath = path.join(tmpDir, `input-${sessionId}.png`);
+      const outputPath = path.join(tmpDir, `output-${sessionId}.png`);
+
       try {
         const parts = request.parts();
+        await fs.mkdir(tmpDir, { recursive: true });
 
         let fileBuffer: Buffer | null = null;
 
@@ -21,20 +29,47 @@ export async function removeBG(app: FastifyInstance) {
           return reply.status(400).send({ error: "No file uploaded!" });
         }
 
+        await fs.writeFile(inputPath, fileBuffer);
         console.log("Received file, buffer length:", fileBuffer.length);
 
-        const rightFileBuffer = await sharp(fileBuffer)
-          .toFormat("png")
-          .toBuffer();
-        console.log("Converted file:", rightFileBuffer);
-        const convertedBuffer = await removeBackground(rightFileBuffer);
+        await new Promise<void>((resolve, reject) => {
+          const pythonProcess = spawn("rembg", ["i", inputPath, outputPath]);
+
+          pythonProcess.stderr.on("data", (data) => {
+            console.log(`ffmpeg stderr: ${data}`);
+          });
+
+          pythonProcess.on("close", (code) => {
+            if (code === 0) {
+              resolve();
+            } else {
+              reject(new Error(`rembg process exited with code ${code}`));
+            }
+          });
+
+          pythonProcess.on("error", (err) => {
+            reject(err);
+          });
+        });
+
+        const outputImageBuffer = await fs.readFile(outputPath);
+        await Promise.all([fs.unlink(inputPath), fs.unlink(outputPath)]);
 
         reply
           .header("Content-Type", "image/png")
           .header("Content-Disposition", `attachment; filename="converted.png"`)
           .status(200)
-          .send(convertedBuffer);
+          .send(outputImageBuffer);
       } catch (error) {
+        try {
+          await Promise.all([
+            fs.unlink(inputPath).catch(() => {}),
+            fs.unlink(outputPath).catch(() => {}),
+          ]);
+        } catch (cleanupError) {
+          console.error("Cleanup error:", cleanupError);
+        }
+
         console.error("Convert error:", error);
         reply.status(500).send({ error: "Error while converting!" });
       }

From 2e6bb7053c606a3db500f02d6d3cd5c80a7f22e5 Mon Sep 17 00:00:00 2001
From: theoleuthardt <theoleuthardt12@gmail.com>
Date: Sat, 22 Feb 2025 22:29:47 +0100
Subject: [PATCH 6/6] fix: added dependencies to Dockerfile

---
 backend/Dockerfile | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/backend/Dockerfile b/backend/Dockerfile
index 6583c94..5b753bd 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -2,7 +2,11 @@
 FROM node:18-alpine AS base
 
 # Install system dependencies
-RUN apk add --no-cache libc6-compat libreoffice ttf-liberation
+RUN apk add --no-cache libc6-compat libreoffice ttf-liberation ffmpeg
+RUN apk add --update --no-cache python3 py3-pip \
+    && ln -sf python3 /usr/bin/python \
+    && pip3 install --no-cache --upgrade pip setuptools \
+RUN pip3 install --no-cache watchdog gradio rembg
 
 WORKDIR /app