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version: '3.1'

services:

  mongo:
    image: mongo:4.0.10
    restart: always
    environment:
      MONGO_INITDB_ROOT_USERNAME: root
      MONGO_INITDB_ROOT_PASSWORD: example
      MONGO_INITDB_DATABASE: offers
    volumes:
      - ./init-mongo.js:/docker-entrypoint-initdb.d/init-mongo.js:ro
    ports:
      - "27017:27017"

  mongo-express:
    image: mongo-express
    restart: always  #restart the container regardless of the exit status
    ports:
      - "8081:8081"
    environment:
      ME_CONFIG_MONGODB_ADMINUSERNAME: root
      ME_CONFIG_MONGODB_ADMINPASSWORD: example
      ME_CONFIG_MONGODB_URL: mongodb://root:example@mongo:27017/  # mongodb://{mongo-image-username}:{mongo-image-password}@{mongo-image-name}:{port}