FROM alpine:3.21

RUN apk update && \
    apk add py3-psycopg2 \
            py3-yaml \
            tini

WORKDIR /app

COPY src/pgmon.py /app/

COPY sample-config/pgmon-metrics.yml /app/

COPY tests/test-config.yml /app/

COPY --chmod=0600 --chown=postgres:postgres tests/pgpass /root/.pgpass

ENTRYPOINT ["tini", "--"]

EXPOSE 5400

CMD ["/app/pgmon.py", "-c", "/app/test-config.yml", "--test"]