FROM debian:bookworm-slim

ARG DEBIAN_FRONTEND=noninteractive
RUN apt-get update \
    && apt-get install -y --no-install-recommends \
        curl \
        ca-certificates \
        gnupg2 \
        libfontconfig \
    && curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
    && apt-get install -y --no-install-recommends \
        nodejs \
    && apt-get purge -y --auto-remove \
        gnupg2 \
    && rm -rf /var/lib/apt/lists/* \
    && npm -g install pm2

WORKDIR /docker-discover
COPY package.json package-lock.json ./
RUN npm install --omit=dev

COPY index.js config.yml rproxy.handlebars ./

CMD ["pm2-runtime", "index.js"]