docker-compose.yml

version: '3.8'

# In the docker compose file, we define a number of services (containers) we want to run.
services:

  # We want to run MariaDB as a database server
  mariadb:
    image: mariadb:10.10
    environment: # Configuration of the database server as specified in their README
      MYSQL_ROOT_PASSWORD: ${DATABASE_ROOT_PASSWORD:?}
      MYSQL_DATABASE: ${DATABASE_NAME:?}
      MYSQL_USER: ${DATABASE_USER:?}
      MYSQL_PASSWORD: ${DATABASE_PASSWORD:?}
    ports: # We expose the database on the port specified in the .env file
      - ${DATABASE_PORT:-3306}:3306
    volumes:
      # We store the database files in ./data/db in our repository
      - ./data/db:/var/lib/mysql
      # We mount the SQL dump files in ./data/sql to automatically seed the database
      - "./data/sql:/docker-entrypoint-initdb.d"
    restart: always

  # Service specification for the .NET Core-based backend
  backend-dotnet:
    image: webeng-tutorial/backend-dotnet
    build: # We specify how to build the image name given above: by building the Dockerfile in the directory specified
      context: ./backend-dotnetcore
    depends_on: # The backend can only run when the database is up
      - mariadb
    environment:
      - ConnectionStrings__DefaultConnection=server=mariadb;port=3306;database=${DATABASE_NAME:?};user=${DATABASE_USER:?};password=${DATABASE_PASSWORD:?}
    ports: # We expose this backend on the port specified in the .env file
      - ${BACKEND_DOTNET_PORT:?}:80

  # Service specification for the Node/ExpressJS-based backend
  backend-express:
    image: webeng-tutorial/backend-express
    build:
      context: ./backend-express
    depends_on:
      - mariadb
    environment:
      - DATABASE_HOST=mariadb
      - DATABASE_USER=${DATABASE_USER:?}
      - DATABASE_PASSWORD=${DATABASE_PASSWORD:?}
      - DATABASE_NAME=${DATABASE_NAME:?}
      - DATABASE_PORT=3306
    ports:
      - ${BACKEND_EXPRESS_PORT:?}:80

  # Service specification for the Vanilla frontend
  frontend-vanilla:
    image: webeng-tutorial/frontend-vanilla
    build:
      context: ./frontend-vanilla
    ports:
      - ${FRONTEND_VANILLA_PORT:?}:80
    environment:
      - BACKENDS

  frontend-bootstrap:
    image: webeng-tutorial/frontend-bootstrap
    build:
      context: ./frontend-bootstrap
    ports:
      - ${FRONTEND_BOOTSTRAP_PORT:?}:80
    environment:
      - BACKENDS

  frontend-react:
    image: webeng-tutorial/frontend-react
    build:
      context: ./frontend-react
    ports:
      - ${FRONTEND_REACT_PORT:?}:80
    environment:
      - BACKENDS

  frontend-vue:
    image: webeng-tutorial/frontend-vue
    build:
      context: ./frontend-vue
    ports:
      - ${FRONTEND_VUE_PORT:?}:80
    environment:
      - BACKENDS