docker compose azure deployment

version: "3"
services:
  app:
    image: csym023.azurecr.io/csym023_app:latest
    restart: always
    ports:
      - "8080:4200"
    depends_on:
      - api
  api:
    image: csym023.azurecr.io/csym023_api:latest
    restart: always
    ports:
      - "3000:8080"
    links:
      - docker-in-docker
    environment:
      DOCKER_HOST: http://docker-in-docker:2375
      DOCKER_TLS_CERTDIR: ""
    depends_on:
      - mongo
  docker-in-docker:
    restart: always
    image: docker:dind
    environment:
      DOCKER_TLS_CERTDIR: ""
    privileged: true
    expose:
      - 2375
      - 2376
  mongo:
    image: mongo
    ports:
      - "27017:27017"