FROM node:20-alpine
# yt-dlp powers the YouTube importer; python3 is its runtime dep.
# Not from apk: the packaged yt-dlp goes stale and YouTube breaks old versions.
# Pull the latest python-zipapp release (runs on musl via system python3) so a
# rebuild always refreshes it. /usr/local/bin precedes /usr/bin on PATH.
RUN apk add --no-cache ffmpeg python3 curl \
    && curl -fsSL https://github.com/yt-dlp/yt-dlp/releases/latest/download/yt-dlp \
         -o /usr/local/bin/yt-dlp \
    && chmod a+rx /usr/local/bin/yt-dlp
WORKDIR /app
COPY package*.json ./
RUN npm install --omit=dev
COPY . .
CMD ["node", "src/index.js"]