compose.yaml

# start backend: `docker-compose up --build`
# (--force-recreate)

# reference:
# https://docs.docker.com/compose/compose-file/compose-file-v3/

version: "3"

services:
  frontend:
    # $USERNAME/$IMAGENAME:$TAG
    image: koodikukkaro/frontend/v1
    container_name: frontend
    depends_on:
      backend:
        condition: service_healthy
    build:
      dockerfile: Dockerfile
      context: ./frontend
    ports:
      #- "443:443"
      #- "80:80"
      # only for development, totally unnecessary:
      - "80:3000"
    # https://docs.docker.com/compose/networking/
    networks:
      - frontend

  backend:
    image: koodikukkaro/backend-server/v1
    container_name: backend-server
    depends_on:
      database:
        condition: service_healthy
    build:
      dockerfile: Dockerfile
      context:  ./backend/server
    # Map the port 8080 of the container to the port 12345 of the host
    # Container port has been exposed in the node:tag Docker Hub Dockerfile.
    ports:
      #- "443:8080"
      - "12345:8080"
    networks:
      - frontend
      - backend

  # docker compose exec database <command>
  # <command>: bash | mongosh
  # mongosh: help
  # use <db>
  # db.<cltn>.find().pretty()
  database:
    # https://hub.docker.com/_/mongo/
    image: koodikukkaro/database/v1
    container_name: database
    build:
      dockerfile: Dockerfile
      context: ./backend/database
    restart: unless-stopped
    # Port mapping from container to host ONLY for debugging purposes.
    # Must be commented out. Format: HOST:CONTAINER
    #ports:
      #- "27017:27017"
    # "MongoDB server in the image listens on the standard MongoDB port, 27017"
    expose:
      - 27017
    # "/data/db inside the container, where MongoDB by default will write
    # its data files"
    volumes:
      - koodikukkaro_volume:/data/db
    networks:
      - backend


networks:
  frontend:
  backend:

# Documentation: https://docs.docker.com/storage/volumes/
# Look at the database image's Dockerfile in Docker Hub to see
# which directory it uses to store data.
# "if you want to reuse a volume across multiple services,
# then define a named volume in" this "top-level volumes key"
volumes:
  koodikukkaro_volume: