FROM node:22-alpine

RUN apk add --no-cache mosquitto mosquitto-clients supervisor caddy

WORKDIR /app

# Install Node dependencies
COPY package.json package-lock.json ./
RUN npm ci --production

# Copy application
COPY *.js config.example.json channel-rainbow.json ./
COPY public/ ./public/

# Bake git commit SHA (CI writes .git-commit before build; fallback to "unknown")
COPY .git-commi[t] ./
RUN if [ ! -f .git-commit ]; then echo "unknown" > .git-commit; fi

# Supervisor + Mosquitto + Caddy config
COPY docker/supervisord.conf /etc/supervisor/conf.d/supervisord.conf
COPY docker/mosquitto.conf /etc/mosquitto/mosquitto.conf
COPY docker/Caddyfile /etc/caddy/Caddyfile

# Create data directory for SQLite + Mosquitto persistence + Caddy certs
RUN mkdir -p /app/data /var/lib/mosquitto /data/caddy && \
    chown -R node:node /app/data && \
    chown -R mosquitto:mosquitto /var/lib/mosquitto

# Default config: copy example if no config mounted
COPY docker/entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh

EXPOSE 80 443 1883

VOLUME ["/app/data", "/data/caddy"]

ENTRYPOINT ["/entrypoint.sh"]