docker-compose.yml

# Docker Compose file Reference (https://docs.docker.com/compose/compose-file/)

version: "3.1"
services:
  mongodb:
    image: mongo:latest
    container_name: mongo-walmart
    hostname: mongo-walmart-db
    user: root
    ports:
      - 27017:27018
    networks:
      appnet:
        aliases:
          - dbserver
  # App Service
  app:
    container_name: go-walmart
    # Configuration for building the docker image for the service
    build:
      context: . # Use an image built from the specified dockerfile in the current directory.
      dockerfile: Dockerfile
    hostname: go-walmart-service
    ports:
      - "8080:8080" # Forward the exposed port 8080 on the container to port 8080 on the host machine
    environment:
      - DB_HOST=dbserver
      - DB_PORT=27017
    networks:
      - appnet
    depends_on:
      - mongodb
networks:
  appnet:
    driver: bridge