a.yml

version: "3.9"

services:
  nginx:
    image: nginx:stable-alpine
    container_name: nginx
    restart: always
    ports:
      - "5000:80"
    volumes:
      - ./client/dist:/usr/share/nginx/html:ro
      # this 👇 is added via GPT4, is it useful to make it in both a && b compose files?
      - ./server/config/nginx/default.conf:/etc/nginx/conf.d/default.conf:ro
    depends_on:
      - app
  app:
    build:
      context: ./server
      dockerfile: Dockerfile
    image: baderidris/e-commerce
    restart: always
    environment:
      - PORT=3000
    depends_on:
      - mongo
      # - psql_master
  mongo:
    image: mongo:4.4
    container_name: mongo
    restart: always
    environment:
      - MONGO_INITDB_ROOT_USERNAME=Bader
      - MONGO_INITDB_ROOT_PASSWORD=myPassword
    volumes:
      - mongo-db:/data/db:rw  # 🔴chmod +x if (node.length > 1)🔴
      - ./server/config/mongo/mongod.conf:/etc/mongod.conf:ro
    command: mongod --config /etc/mongod.conf  # Specify the custom configuration file path
  redis:
    image: redis:alpine3.18
    container_name: redis
    restart: always
    volumes:
      - ./server/config/redis/redis.conf:/usr/local/etc/redis/redis.conf:ro
      # - ./config/redis/.overcommit_memory:/proc/sys/vm/overcommit_memory
    # command:
      # - sh -c "echo 1 > /proc/sys/vm/overcommit_memory"
      # - ./redis-server /usr/local/etc/redis/redis.conf
      # - redis-server AUTH default myPassword
      # - AUTH default myPassword

    #! added by chatGPT, check it out
    command: redis-server /usr/local/etc/redis/redis.conf --requirepass myPassword


  # postgres:
  #   image: postgres:16-alpine3.18
  #   #! An important concept is using master/slave duplication
  #   #? master => insert update delete && slaves => read
  #   #! or even multi-master or other concepts to handle DB high requests
  #   container_name: psql
  #   restart: always
  #   environment:
  #     POSTGRES_PASSWORD: example
  #     POSTGRES_DB: articles
  #   volumes:
  #     - psql-data:/var/lib/postgresql/data:rw  # 🔴chmod +x if (node.length > 1)🔴
  #     - ./server/config/psql/postgresql.conf:/etc/postgresql/postgresql.conf:ro

  # adminer:  # i think it's not important to have
  #   image: adminer
  #   restart: always
  #   ports:
  #     - 8080:8080

  psql_master:
    image: postgres:16-alpine3.18
    container_name: psql_master
    restart: always
    environment:
      POSTGRES_PASSWORD: example
      POSTGRES_DB: articles
      POSTGRES_USER: postgres
      REPLICATION_USER: rep_user
      REPLICATION_PASSWORD: rep_pass
    volumes:
      - psql-master-data:/var/lib/postgresql/data:rw
      - ./server/config/psql/postgresql.conf:/etc/postgresql/postgresql.conf:ro
      - ./server/config/psql/pg_hba.conf:/var/lib/postgresql/data/pg_hba.conf:ro
    command: postgres -c config_file=/etc/postgresql/postgresql.conf


  psql_slave:
    image: postgres:16-alpine3.18
    container_name: psql_slave
    restart: always
    environment:
      POSTGRES_PASSWORD: example
      POSTGRES_USER: postgres
      REPLICATION_USER: rep_user
      REPLICATION_PASSWORD: rep_pass
      POSTGRES_DB: articles
    volumes:
      - psql-slave-data:/var/lib/postgresql/data:rw
    depends_on:
      - psql_master
    command: |
      bash -c "
      until pg_basebackup -h psql_master -D /var/lib/postgresql/data -U rep_user -vP -W; do
        echo 'Waiting for master to connect...'
        sleep 1
      done &&
      postgres -c config_file=/var/lib/postgresql/data/postgresql.conf
      "


volumes:
  mongo-db:
  psql-data: