FROM python:3.9-slim AS python-deps

RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    gcc \
    && rm -rf /var/lib/apt/lists/*

RUN python -m venv /opt/venv
ENV PATH="/opt/venv/bin:$PATH"
RUN pip3 install --no-cache-dir watchdog gradio rembg

FROM node:18-alpine AS base

RUN apk add --no-cache \
    python3 \
    ffmpeg \
    libreoffice \
    ttf-liberation \
    libc6-compat

COPY --from=python-deps /opt/venv /opt/venv
ENV PATH="/opt/venv/bin:$PATH"

WORKDIR /app

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

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

FROM base AS runner
WORKDIR /app

ARG NODE_ENV
ENV NODE_ENV=$NODE_ENV

RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 fastify

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

ARG CORS_ALLOWED_ORIGIN
ENV CORS_ALLOWED_ORIGIN=$CORS_ALLOWED_ORIGIN

ENV PORT=4000
ENV HOSTNAME="0.0.0.0"


CMD ["node", "dist/server.js"]