version: '3.8'

services:
  prometheus:
    image: prom/prometheus:v2.44.0
    secrets:
      - basic_auth_admin_password
    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"


  alertmanager:
    image: prom/alertmanager:v0.25.0
    volumes:
      - alertmanager-data:/etc/alertmanager
    command:
      - "--config.file=/etc/alertmanager/config.yml"
      - "--storage.path=/alertmanager"
    networks:
      - internal
    secrets:
      - alertmanager_smtp_password
    configs:
      - source: alertmanager_config
        target: /etc/alertmanager/config.yml
    environment:
      - ALERTMANAGER_SMTP_FROM
      - ALERTMANAGER_SMTP_HOST
      - ALERTMANAGER_SMTP_TO

configs:
  prometheus_yml:
    template_driver: golang
    name: ${STACK_NAME}_prometheus_yml_${PROMETHEUS_YML_VERSION}
    file: prometheus.yml.tmpl
  alertmanager_config:
    template_driver: golang
    name: ${STACK_NAME}_alertmanager_config_${ALERTMANAGER_CONFIG_VERSION}
    file: ./alertmanager.yml.tmpl


volumes:
  prometheus-data:
  alertmanager-data:

secrets:
  alertmanager_smtp_password:
    external: true
    name: ${STACK_NAME}_alertmanager_smtp_password_${SECRET_ALERTMANAGER_SMTP_PASSWORD_VERSION}