Dockerfile.monitoring

FROM prom/prometheus:v2.37.0 as prometheus
FROM grafana/grafana:9.3.2 as grafana

FROM ubuntu:22.04

RUN apt-get update && apt-get install -y curl && apt-get clean && rm -rf /var/lib/apt/lists/*

# Set environment variables
ENV SERVICE_ENDPOINT=""
ENV SERVICE_PORT=""

# Copy Prometheus files
COPY --from=prometheus /bin/prometheus /bin/prometheus
COPY --from=prometheus /bin/promtool /bin/promtool
COPY prometheus/prometheus.yml /etc/prometheus/prometheus.yml
COPY prometheus/alert.rules /etc/prometheus/alert.rules

# Copy Grafana files
COPY --from=grafana /usr/share/grafana /usr/share/grafana
COPY --from=grafana /etc/grafana /etc/grafana
COPY grafana/grafana.ini /etc/grafana/grafana.ini
COPY grafana/datasources/prometheus.yml /etc/grafana/provisioning/datasources/prometheus.yml
COPY grafana/dashboards/default.yml /etc/grafana/provisioning/dashboards/default.yml
COPY grafana/dashboards/erpc.json /etc/grafana/provisioning/dashboards/erpc.json

# Set up entrypoint script
COPY scripts/entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh

EXPOSE 3000 9090

# Add healthcheck for Grafana
HEALTHCHECK --interval=30s --timeout=5s --start-period=20s --retries=3 \
  CMD curl -f http://localhost:3000/api/health || exit 1

ENTRYPOINT ["/entrypoint.sh"]