Sample composer file

postgresql:
  image: postgres-image
  mem_limit: 4001000000
  ports:
    - "5432:5432"
  volumes:
    - /opt/docker/data/postgresql/9.4/main:/var/lib/postgresql/data
zookeeper:
  image: wurstmeister/zookeeper
  mem_limit: 256000000
  ports:
    - "2181"
kafka:
  image: wurstmeister/kafka
  mem_limit: 512000000
  ports:
    - "9092"
  links:
    - zookeeper:zk
  environment:
    KAFKA_ADVERTISED_HOST_NAME: 176.112.203.178
    KAFKA_CREATE_TOPICS: "user_registration_request_created:1:1,user_registration_request_status_changed:1:1"
  volumes:
    - /var/run/docker.sock:/var/run/docker.sock
elasticsearch:
  image: elasticsearch-image
  mem_limit: 1024000000
  volumes:
    - /opt/docker/data/elasticsearch:/opt/elasticsearch
backend:
  image: backend-image
  mem_limit: 3000000000
  ports:
    - "9003:9003"
  volumes:
    - /opt/docker/data/backend:/opt/distribution
  links:
    - postgresql:postgresql
    - zookeeper:zookeeper
    - kafka:kafka
    - elasticsearch:elasticsearch
frontend:
  image: frontend-image
  mem_limit: 3000000000
  ports:
    - "3400:3000"
  volumes_from:
    - frontend-snapshot-distribution
  links:
    - backend:backend