Run mongodb and mongo-express with docker (docker-compose)

mongo.yaml

# docker-compose up -f mongo.yaml

version: '3.1'

services:
  mongo:
    image: mongo
    environment:
      MONGO_INITDB_ROOT_USERNAME: root
      MONGO_INITDB_ROOT_PASSWORD: root
#    restart: always
    container_name: mongo
    ports:
      - 27017:27017
  mongo-express:
    image: mongo-express
 #   restart: always
    container_name: mongo-express
    environment:
      ME_CONFIG_MONGODB_ADMINUSERNAME: root
      ME_CONFIG_MONGODB_ADMINPASSWORD: root
    ports:
      - 8081:8081