# ── Stage 1: Build React app ────────────────────────────────────────────────── FROM node:20-alpine AS builder WORKDIR /build # Copy audiocontrol source (place the audiocontrol/ folder next to docker-compose.yml) COPY audiocontrol/package*.json ./ RUN npm ci --quiet COPY audiocontrol/ ./ RUN npm run build # ── Stage 2: Nginx (serves app + proxies APIs) ──────────────────────────────── FROM nginx:1.27-alpine ARG BEOCREATE_HOST=beocreate.local ARG BEOCREATE_PORT=13141 RUN apk add --no-cache apache2-utils # Copy built React app COPY --from=builder /build/dist /var/www/audiocontrol # Generate nginx.conf with the BeoCreate address substituted COPY frontend/nginx.conf.template /etc/nginx/templates/default.conf.template COPY frontend/entrypoint.sh /usr/local/bin/audiocontrol-entrypoint.sh RUN chmod +x /usr/local/bin/audiocontrol-entrypoint.sh # nginx-envsubst will substitute $BEOCREATE_HOST and $BEOCREATE_PORT at startup ENV BEOCREATE_HOST=${BEOCREATE_HOST} ENV BEOCREATE_PORT=${BEOCREATE_PORT} EXPOSE 80 HEALTHCHECK --interval=15s --timeout=3s \ CMD wget -qO- http://127.0.0.1/health || exit 1 ENTRYPOINT ["/usr/local/bin/audiocontrol-entrypoint.sh"]