docker-compose.yml

#
# This docker-compose file is used only for local testing.
# Includes more than one monitoring solution: Datadog, Prometheus and Grafana.
# I use it mostly for testing and comparing monitoring and logging solutions.
#

version: '3.1'

# Persistent volumes for Prometheus and Grafana
volumes:
    prometheus_data: {}
    grafana_data: {}

# Front-end and Back-end networks
networks:
  front:
  back:


services:

  plaas:
    #image: biosan/plaas:latest  # TODO: Use a DockerHub image
    build: .
    environment:
      - PORT=8080
    ports:
      - 8080:8080
    networks:
      - front
      - back
    restart: always
    labels:
      com.datadoghq.ad.logs: '[{"source": "gunicorn", "service": "plaas"}]'

  prometheus:
    image: prom/prometheus:v2.1.0
    volumes:
      - ./config/prometheus.yml:/etc/prometheus/prometheus.yml
      - prometheus_data:/prometheus
    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'
    ports:
      - 9090:9090
    depends_on:
      - plaas
    networks:
      - back
    restart: always


  grafana:
    image: grafana/grafana
    user: "104"
    depends_on:
      - prometheus
    ports:
      - 3000:3000
    volumes:
      - grafana_data:/var/lib/grafana
      #- ./grafana/provisioning/:/etc/grafana/provisioning/
    #env_file:
    #  - ./grafana/config.monitoring
    networks:
      - back
      - front
    restart: always

  datadog:
    image: datadog/agent:latest
    networks:
      - back
      - front
    environment:
      - DD_API_KEY
      - DD_LOGS_ENABLED=true
      - DD_LOGS_CONFIG_CONTAINER_COLLECT_ALL=true
      - DD_AC_EXCLUDE="name:datadog-agent"
    volumes:
      - ./config/datadog_prometheus_config.yml:/etc/datadog-agent/conf.d/prometheus.d/conf.yaml
      - /var/run/docker.sock:/var/run/docker.sock
      - /proc/:/host/proc/:ro
      - /sys/fs/cgroup:/host/sys/fs/cgroup:ro
      #- /opt/datadog-agent/run:/opt/datadog-agent/run:rw