Dockerfile

FROM node:22-bookworm-slim

ENV NODE_ENV=production

WORKDIR /app

RUN apt-get update \
    && apt-get install -y --no-install-recommends ca-certificates ffmpeg python3 \
    && rm -rf /var/lib/apt/lists/*

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

COPY server.js ./
COPY lib ./lib
COPY public ./public
COPY yt-dlp ./yt-dlp

RUN mkdir -p /app/data \
    && chmod 755 /app/yt-dlp \
    && chown -R node:node /app

USER node

EXPOSE 3333

HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 CMD ["node", "-e", "fetch('http://127.0.0.1:' + (process.env.PORT || 3333)).then(response => process.exit(response.ok ? 0 : 1)).catch(() => process.exit(1))"]

CMD ["npm", "start"]