mongo.yml

# Use root/example as user/password credentials
version: '3.4'

services:

  mongo:
    image: mongo:4.2
    restart: always
    command: ["--replSet", "main", "--bind_ip_all"]
    hostname: mongodb
    ports:
      - 27017:27017
    healthcheck:
      test: test $$(echo "rs.initiate().ok || rs.status().ok" | mongo -u $${MONGO_INITDB_ROOT_USERNAME} -p $${MONGO_INITDB_ROOT_PASSWORD} --quiet) -eq 1
      interval: 10s
      start_period: 30s
    volumes:
      - mongo-db-data:/data/db
    environment:
      MONGO_INITDB_ROOT_USERNAME: root
      MONGO_INITDB_ROOT_PASSWORD: example

  mongo-express:
    image: mongo-express:0.49
    restart: always
    ports:
      - 8081:8081
    environment:
      ME_CONFIG_MONGODB_ADMINUSERNAME: root
      ME_CONFIG_MONGODB_ADMINPASSWORD: example

volumes:
  mongo-db-data: