docker-compose.yml

version: '3'
services:
  agent:
    image: "datadog/agent:latest"
    environment:
      - DD_API_KEY
      # - DD_APM_ENABLED=true # STEP 01
      # - DD_APM_NON_LOCAL_TRAFFIC=TRUE # STEP 01
      # - DD_LOGS_ENABLED=true # STEP 04
      # - DD_LOGS_CONFIG_CONTAINER_COLLECT_ALL=true # STEP 04
      # - DD_AC_EXCLUDE=name:agent # STEP 04
      # - DD_APM_ANALYZED_SPANS=cafe|flask.request=1,taster|flask.request=1 # STEP 05
    # ports: # STEP 01 
      # - "8126:8126" # STEP 01
    # volumes: # STEP 01
      # - /var/run/docker.sock:/var/run/docker.sock:ro # STEP 01
      # - /proc/:/host/proc/:ro # STEP 01
      # - /sys/fs/cgroup/:/host/sys/fs/cgroup:ro # STEP 01
      # - /opt/datadog-agent/run:/opt/datadog-agent/run:rw # STEP 04
  redis:
    image: "redis:4.0.13-alpine"
  cafe:
    # labels: # STEP 04      
      # com.datadoghq.ad.logs: '[{"source": "python", "service": "cafe"}]' # STEP 04
    environment:
      - FLASK_APP=cafe.py
      - FLASK_DEBUG=1
    build: .
    command: flask run --port=5000 --host=0.0.0.0
    ports:
      - "5000:5000"
    volumes:
      - "./app:/app"
    depends_on:
      - agent
      - redis
  taster:
    # labels: # STEP 04
      # com.datadoghq.ad.logs: '[{"source": "python", "service": "taster"}]' # STEP 04
    environment:
      - FLASK_APP=taster.py
      - FLASK_DEBUG=1
    build: .
    command: flask run --port=5001 --host=0.0.0.0
    ports:
      - "5001:5001"
    volumes:
      - "./app:/app"
    depends_on:
      - agent
      - redis