MongoDB yml file

docker-compose.yml

# remember to run docker network create back_end
version: '3'
# mongodb
services:
  db:
    image: mongo:latest
    container_name: mongodb_backend_develop
    environment: 
      - MONGO_DATA_DIR=/data/db
      - MONGO_LOG_DIR=/var/log/mongodb
      - MONGO_INITDB_ROOT_USERNAME=${MONGO_CRUD_DB_USER}
      - MONGO_INITDB_ROOT_PASSWORD=${MONGO_CRUD_DB_PASS}
    volumes:
      - mongo_data:/data/db
    ports:
      - ${DB_PORT}:27017 
    networks: 
      - back_end
      
networks: 
  back_end:
    external: true