FROM node:22-bookworm-slim

ENV NODE_ENV=production
ENV PORT=3000
ARG DEBIAN_FRONTEND=noninteractive
ARG YT_DLP_PIP_SPEC="yt-dlp[default] @ https://github.com/yt-dlp/yt-dlp/archive/master.tar.gz"

WORKDIR /app

ADD https://api.github.com/repos/yt-dlp/yt-dlp/commits/master /tmp/yt-dlp-master.json

RUN apt-get update \
  && apt-get install -y --no-install-recommends ca-certificates ffmpeg python3 python3-pip \
  && python3 -m pip install --no-cache-dir --break-system-packages --upgrade "$YT_DLP_PIP_SPEC" \
  && yt-dlp --version \
  && apt-get purge -y --auto-remove python3-pip \
  && rm -f /tmp/yt-dlp-master.json \
  && rm -rf /root/.cache/pip /var/lib/apt/lists/*

COPY package*.json ./
RUN npm ci --omit=dev

COPY public ./public
COPY server ./server
COPY README.md ./

RUN mkdir -p /app/data \
  && chown -R node:node /app

USER node

EXPOSE 3000

HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
  CMD node -e "fetch('http://127.0.0.1:' + (process.env.PORT || 3000) + '/api/health').then(r => process.exit(r.ok ? 0 : 1)).catch(() => process.exit(1))"

CMD ["npm", "start"]