version: '3.8'

services:
  prometheus:
    image: prom/prometheus:v2.51.2
    secrets:
      - basic_auth
    volumes:
      - prometheus-data:/prometheus:rw
    configs:
      - source: prometheus_yml
        target: /etc/prometheus/prometheus.yml
    command:
      - "--config.file=/etc/prometheus/prometheus.yml"
      - "--storage.tsdb.path=/prometheus"
      - "--web.console.libraries=/usr/share/prometheus/console_libraries"
      - "--web.console.templates=/usr/share/prometheus/consoles"
      - "--storage.tsdb.retention.time=${PROMETHEUS_RETENTION_TIME}"
    networks:
      - proxy
      - internal
    deploy:
      restart_policy:
        condition: on-failure
      labels:
        - "traefik.enable=true"
        - "traefik.http.services.${STACK_NAME}-prometheus.loadbalancer.server.port=9090"
        - "traefik.http.routers.${STACK_NAME}-prometheus.rule=Host(`prometheus.${DOMAIN}`)"
        - "traefik.http.routers.${STACK_NAME}-prometheus.entrypoints=web-secure"
        - "traefik.http.routers.${STACK_NAME}-prometheus.tls=true"
        - "traefik.http.routers.${STACK_NAME}-prometheus.tls.certresolver=${LETS_ENCRYPT_ENV}"
        - "traefik.http.routers.${STACK_NAME}-prometheus.middlewares=basicauth@file"

configs:
  prometheus_yml:
    template_driver: golang
    name: ${STACK_NAME}_prometheus_yml_${PROMETHEUS_YML_VERSION}
    file: prometheus.yml.tmpl

volumes:
  prometheus-data: