docker-compose.yml

# Reference for exteranl_links and bridge containers
# https://blog.virtualzone.de/2016/09/docker-compose-link-containers-outside-compose-file-using-external_links.html

x-promgen-env: &x-promgen-env
  CELERY_BROKER_URL: redis://redis:6379/0
  DATABASE_URL: mysql://promgen:promgen@mysql:3306/promgen
  SECRET_KEY: docker-compose-demo
  DEBUG: 1

version: "2"
services:
  web:
    build: .
    image: line/promgen
    command: web -b 0.0.0.0:8000
    environment:
      <<: *x-promgen-env
    ports:
      - "8080:8000"
    links:
      - mysql
      - redis

  worker:
    image: line/promgen
    # For our demo, we'll have the worker listen both on the
    # default celery queue (for notification processing) and
    # on the prometheus queue (for deploying targets/etc)
    command: worker -l debug --queues prometheus,celery
    environment:
      <<: *x-promgen-env
    links:
      - prometheus
      - mysql
      - redis
    volumes:
      - ./docker:/etc/prometheus

  prometheus:
    image: prom/prometheus
    links:
      - alertmanager
      - blackbox
    ports:
      - "9090:9090"
    # We need to repeat some of the default options and also add lifecycle
    # so that we can call to reload Prometheus
    command: >
      --config.file=/etc/prometheus/prometheus.yml
      --log.level=info
      --storage.tsdb.path=/prometheus
      --web.console.libraries=/usr/share/prometheus/console_libraries
      --web.console.templates=/usr/share/prometheus/consoles
      --web.enable-lifecycle
    volumes:
      - ./docker:/etc/prometheus
      - ./docker/prom_data:/prometheus

  blackbox:
    image: prom/blackbox-exporter
    network_mode: bridge
    volumes:
      - ./docker:/etc/prometheus

  alertmanager:
    image: prom/alertmanager
    links:
      - web
    ports:
      - "9093:9093"
    command: >
      --config.file=/etc/alertmanager/alertmanager.yml
      --log.level=info
    volumes:
      - ./docker:/etc/prometheus

  mysql:
    image: mysql:8
    command: --mysql-native-password=ON
    environment:
      MYSQL_ROOT_PASSWORD: example
      MYSQL_DATABASE: promgen
      MYSQL_USER: promgen
      MYSQL_PASSWORD: promgen
    volumes:
      - ./docker/mysql_data:/var/lib/mysql

  redis:
    image: redis