docker-compose.yaml

# docker-compose.yml
version: "3.7"
services:

  # Nginx Proxy
  app:
    container_name: app
    image: nginx:1.25.1-alpine-slim
    ports:
      - "8080:80"
      #- "443:443"
    # restart: unless-stopped
    volumes:
      # - ./.docker/nginx.conf:/etc/nginx/nginx.conf:ro
      - ./.docker/nginx:/etc/nginx/conf.d:ro

  # Redis for caching
  redis:
    image: redis
    ports:
      - "6379:6379"

  # Image building before deployment
  _build:
    image: ids/codesample
    container_name: build
    command: ['echo', 'Image Build Completed!!']
    build:
      context: ./
      dockerfile: Dockerfile
      target: app_php

  # App Servers
  server_1: &appService
    image: ids/codesample
    container_name: server_1
    # restart: unless-stopped
    working_dir: /srv/app
    command: php server.php
    volumes:
      - ./:/srv/app
    depends_on:
      - _build
      
  server_2:
    <<: *appService
    container_name: server_2
  
  server_3:
    <<: *appService
    container_name: server_3

  server_4:
    <<: *appService
    container_name: server_4

  # volumes:
  #   nginx_cache: