Merge branch 'main' into feat/doc-converter

README.md

@@ -2,24 +2,28 @@
 
 **Werkzeugkiste** is a Next.js-based website that offers a collection of useful digital tools and converters.
 This platform is designed to provide users with a simple and efficient way to handle various tasks, such as converting
-files, calculating values, or using other handy digital utilities.
+files, generate content, or using other handy digital utilities. This page is made by two persons and privacy-focused.
 
 ## Tech-Stack
 
-- **Next.js**: React framework for server-side rendering and static websites.
+- **Next.js**: React framework for our frontend with server-side rendering and static content.
-- **React**: JavaScript library for building user interfaces.
+- **React**: JavaScript library for building our user interfaces.
 - **TypeScript**: Typed JavaScript superset for improved code quality.
 - **Tailwind CSS**: Utility-first CSS framework for styling.
-- **Docker**: Containerization platform for deployment.
+- **Fastify**: Low overhead NodeJS framework for our backend.
+- **Docker**: Containerization platform for deploying frontend and backend.
 
 ## Implemented Tools
 
-- **File Converter**: Convert files between different formats.
+- **doc-converter**: Convert documents between different formats.
-- **Image Converter**: Convert images between different formats.
+- **img-converter**: Convert images between different formats.
-- **Color Converter**: Convert colors between different formats.
+- **rgb-to-hex**: Convert colors between different formats.
-- **Password Generator**: Generate secure passwords.
+- **data-visualizer**: Visualize your data from table to chart.
-- **Pomodoro Timer**: Use the Pomodoro technique to manage time.
+- **qr-code-generator**: Generate QR codes for URLs, text, or other data.
-- **QR Code Generator**: Generate QR codes for URLs, text, or other data.
+- **password-generator**: Generate secure passwords.
+- **bg-remover**: Remove backgrounds from your images.
+- **word-counter**: Count words of your documents.
+- **pomodoro-timer**: Use the Pomodoro technique to manage time.
 
 ## Installation
 

backend/.prettierignore

@@ -0,0 +1,3 @@
+# Ignore artifacts:
+build
+coverage

backend/.prettierrc

@@ -0,0 +1 @@
+{}

backend/Dockerfile

@@ -0,0 +1,54 @@
+# Basis-Image
+FROM node:18-alpine AS base
+
+# Install system dependencies
+RUN apk add --no-cache libc6-compat libreoffice ttf-liberation
+
+WORKDIR /app
+
+# Dependencies installieren
+FROM base AS deps
+COPY package.json package-lock.json* yarn.lock* pnpm-lock.yaml* ./
+
+RUN \
+  if [ -f yarn.lock ]; then yarn install --frozen-lockfile; \
+  elif [ -f package-lock.json ]; then npm ci; \
+  elif [ -f pnpm-lock.yaml ]; then corepack enable pnpm && pnpm install --frozen-lockfile; \
+  else echo "Lockfile not found." && exit 1; \
+  fi
+
+# Build stage
+FROM base AS builder
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
+COPY . /app
+
+RUN \
+  if [ -f yarn.lock ]; then yarn run build; \
+  elif [ -f package-lock.json ]; then npm run build; \
+  elif [ -f pnpm-lock.yaml ]; then corepack enable pnpm && pnpm run build; \
+  else echo "Lockfile not found." && exit 1; \
+  fi
+
+# Production image
+FROM base AS runner
+WORKDIR /app
+
+ENV NODE_ENV=production
+
+RUN addgroup --system --gid 1001 nodejs
+RUN adduser --system --uid 1001 fastify
+
+# Copy built application
+COPY --from=builder --chown=fastify:nodejs /app/dist ./dist
+COPY --from=deps --chown=fastify:nodejs /app/node_modules ./node_modules
+COPY --from=builder --chown=fastify:nodejs /app/package.json ./package.json
+
+USER fastify
+
+EXPOSE 4000
+
+ENV PORT=4000
+ENV HOSTNAME="0.0.0.0"
+
+CMD ["node", "dist/server.js"]

backend/package-lock.json

@@ -19,6 +19,7 @@
       },
       "devDependencies": {
         "@types/node": "^22.13.4",
+        "prettier": "3.5.1",
         "ts-node": "^10.9.2",
         "typescript": "^5.7.3"
       }
@@ -758,6 +759,22 @@
       "integrity": "sha512-e906FRY0+tV27iq4juKzSYPbUj2do2X2JX4EzSca1631EB2QJQUqGbDuERal7LCtOpxl6x3+nvo9NPZcmjkiFA==",
       "license": "MIT"
     },
+    "node_modules/prettier": {
+      "version": "3.5.1",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-3.5.1.tgz",
+      "integrity": "sha512-hPpFQvHwL3Qv5AdRvBFMhnKo4tYxp0ReXiPn2bxkiohEX6mBeBwEpBSQTkD458RaaDKQMYSp4hX4UtfUTA5wDw==",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "prettier": "bin/prettier.cjs"
+      },
+      "engines": {
+        "node": ">=14"
+      },
+      "funding": {
+        "url": "https://github.com/prettier/prettier?sponsor=1"
+      }
+    },
     "node_modules/process-warning": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/process-warning/-/process-warning-4.0.1.tgz",

backend/package.json

@@ -22,6 +22,7 @@
   },
   "devDependencies": {
     "@types/node": "^22.13.4",
+    "prettier": "3.5.1",
     "ts-node": "^10.9.2",
     "typescript": "^5.7.3"
   }

backend/server.ts

@@ -1,13 +1,15 @@
 import Fastify from "fastify";
 import cors from "@fastify/cors";
-import multipart from '@fastify/multipart';
+import multipart from "@fastify/multipart";
 import { libreConvert } from "./src/routes/libreconvert.route";
+import { colorConvert } from "./src/routes/colorconvert.route";
 
 const app = Fastify({ logger: true });
 
 app.register(cors, { origin: "*", exposedHeaders: 'Content-Disposition' });
 app.register(multipart);
 app.register(libreConvert);
+app.register(colorConvert);
 
 const PORT = process.env.PORT || 4000;
 app.listen({ port: Number(PORT), host: "0.0.0.0" }, () => {

backend/src/routes/colorconvert.route.ts

@@ -0,0 +1,29 @@
+import { FastifyInstance, FastifyReply, FastifyRequest } from "fastify";
+
+interface RequestBody {
+  red: string;
+  green: string;
+  blue: string;
+}
+
+export async function colorConvert(app: FastifyInstance) {
+  app.post(
+    "/api/color-convert",
+    async (
+      request: FastifyRequest<{ Body: RequestBody }>,
+      reply: FastifyReply,
+    ) => {
+      try {
+        const data = request.body;
+        if (!data) {
+          return reply.status(400).send({ error: "No RGB declared!" });
+        }
+        const hex = (`#${(+data.red).toString(16).padStart(2, "0")}${(+data.green).toString(16).padStart(2, "0")}${(+data.blue).toString(16).padStart(2, "0")}`).toUpperCase();
+        reply.header("Content-Type", "application/json").send({ hex: hex });
+      } catch (error) {
+        console.error("Convert error:", error);
+        reply.status(500).send({ error: "Error while converting!" });
+      }
+    },
+  );
+}

backend/tsconfig.json

@@ -3,7 +3,7 @@
     "target": "ES6",
     "module": "CommonJS",
     "outDir": "./dist",
-    "rootDir": "./src",
+    "rootDir": ".",
     "strict": true,
     "allowSyntheticDefaultImports": true
   }

docker-compose.yaml

@@ -1,13 +1,32 @@
 services:
-  app:
+  frontend:
     build:
-      context: .
+      context: ./frontend
       dockerfile: Dockerfile
-    container_name: werkzeugkiste
+    container_name: werkzeugkiste-frontend
     environment:
-      NODE_ENV: production
+      - NODE_ENV=production
-      HOSTNAME: 0.0.0.0
+      - HOSTNAME=0.0.0.0
-      PORT: 3000
+      - PORT=3000
+      - backend_url=http://backend:4000
     ports:
       - "3000:3000"
     restart: unless-stopped
+
+  backend:
+    build:
+      context: ./backend
+      dockerfile: Dockerfile
+    container_name: werkzeugkiste-backend
+    environment:
+      - NODE_ENV=production
+      - HOSTNAME=0.0.0.0
+      - PORT=4000
+      - CORS_ORIGIN=http://frontend:3000
+    ports:
+      - "4000:4000"
+    restart: unless-stopped
+
+networks:
+  default:
+    driver: bridge

frontend/Dockerfile

@@ -5,11 +5,11 @@ FROM node:18-alpine AS base
 # Install dependencies only when needed
 FROM base AS deps
 # Check https://github.com/nodejs/docker-node/tree/b4117f9333da4138b03a546ec926ef50a31506c3#nodealpine to understand why libc6-compat might be needed.
-RUN apk add --no-cache libc6-compat libreoffice ttf-liberation
+RUN apk add --no-cache libc6-compat
 WORKDIR /app
 
 # Install dependencies based on the preferred package manager
-COPY frontend/package.json yarn.lock* package-lock.json* pnpm-lock.yaml* .npmrc* ./
+COPY package.json yarn.lock* package-lock.json* pnpm-lock.yaml* .npmrc* ./
 RUN \
   if [ -f yarn.lock ]; then yarn --frozen-lockfile; \
   elif [ -f package-lock.json ]; then npm ci; \
@@ -47,13 +47,18 @@ ENV NODE_ENV=production
 RUN addgroup --system --gid 1001 nodejs
 RUN adduser --system --uid 1001 nextjs
 
-COPY --from=builder /app/.next/standalone ./
+# Automatically leverage output traces to reduce image size
-COPY --from=builder /app/.next/static ./.next/static
+# https://nextjs.org/docs/advanced-features/output-file-tracing
+COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
+COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
 
 USER nextjs
 
 EXPOSE 3000
-ENV PORT=3000
-ENV HOSTNAME="0.0.0.0"
 
+ENV PORT=3000
+
+# server.js is created by next build from the standalone output
+# https://nextjs.org/docs/pages/api-reference/config/next-config-js/output
+ENV HOSTNAME="0.0.0.0"
 CMD ["node", "server.js"]

frontend/src/app/rgb-to-hex/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[2].title,
+  description: "Converter for rgb to hex color format!",
+};
+
+export default function RootLayout({
+                                     children,
+                                   }: Readonly<{
+  children: React.ReactNode;
+}>) {
+  return (
+    <html lang="en">
+    <body className={`antialiased`}>{children}</body>
+    </html>
+  );
+}

frontend/src/app/rgb-to-hex/page.tsx

@@ -0,0 +1,133 @@
+"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 RgbToHex() {
+
+  const [loading, setLoading] = useState(false);
+  const [hex, setHex] = useState("");
+
+  const convertToHex = async () => {
+
+    setLoading(true);
+
+    const red = (document.getElementById("red") as HTMLInputElement).value;
+    const green = (document.getElementById("green") as HTMLInputElement).value;
+    const blue = (document.getElementById("blue") as HTMLInputElement).value;
+
+    try {
+      const response = await fetch(
+        process.env.backend_url + "/api/color-convert",
+        {
+          method: "POST",
+          headers: {
+            "Content-Type": "application/json",
+          },
+          body: JSON.stringify({  red: red, green: green, blue: blue }),
+        },
+      );
+      if (!response.ok) {
+        return new Error(`Error: ${response.statusText}`);
+      }
+      const hex: string = await response.text();
+      setHex(hex);
+
+    } catch (error) {
+      console.error("Error while converting:", error);
+      alert("Error while converting");
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const clearInAndOutput = () => {
+    setHex("");
+    const red = document.getElementById("red") as HTMLInputElement;
+    const green = document.getElementById("green") as HTMLInputElement;
+    const blue = document.getElementById("blue") as HTMLInputElement;
+    red.value = "";
+    green.value = "";
+    blue.value = "";
+  };
+
+  const checkInput = (event: React.ChangeEvent<HTMLInputElement>) => {
+    const color = (document.getElementById(event.target.id) as HTMLInputElement);
+    const colorValue = +color.value;
+
+    if (colorValue < 0 || colorValue > 255 ) {
+      alert("Invalid input. Please enter a number between 0 and 255.");
+    }
+    if (colorValue < 0) {
+      color.value = "0";
+    } else if (colorValue > 255) {
+      color.value = "255";
+    }
+  }
+
+  return (
+    <div className="h-screen w-screen bg-black text-white font-noto flex flex-col items-center">
+      <Navbar renderHomeLink={true} />
+      <div className="w-screen h-screen flex flex-col items-center justify-center">
+        <h2 className="text-5xl font-bold text-white mb-16">rgb-to-hex</h2>
+        <div className="border-2 border-white p-3 rounded-xl text-center text-white">
+          <label className="mr-2" htmlFor="red">Red:</label>
+          <input
+            type="number"
+            id="red"
+            name="red"
+            min="0"
+            max="255"
+            className="w-16 bg-black border-1 border-white text-center"
+            onInput={checkInput}
+          />
+          <label className="mx-2 text-white" htmlFor="green">Green:</label>
+          <input
+            type="number"
+            id="green"
+            name="green"
+            min="0"
+            max="255"
+            className="w-16 bg-black border-1 border-white text-center"
+            onChange={checkInput}
+          />
+          <label className="mx-2" htmlFor="blue">Blue:</label>
+          <input
+            type="number"
+            id="blue"
+            name="blue"
+            min="0"
+            max="255"
+            className="w-16 bg-black border-1 border-white text-center"
+            onInput={checkInput}
+          />
+        </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" />
+              ) : (
+                "convert"
+              )
+            }
+            onClick={convertToHex}
+          />
+          <Button
+            content="clear"
+            onClick={clearInAndOutput}
+          />
+          </div>
+        <div className="p-3 rounded-xl text-center">
+          <output
+            id="hex"
+            className="text-blue-400 text-3xl"
+          >{hex}</output>
+        </div>
+      </div>
+      <Footer />
+    </div>
+  );
+}