Reverse proxy

 1. docker-compose.yaml

version: '3.5'
services:
  db:
    hostname: mysql
    image: mysql
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: "parvin@"
    #    volumes:
    #      - db_data:/var/lib/mysql
    ports:
      - "1111:3306"
  #    networks:
  #      critical_network:
  docker2-1:
    hostname: docker2
    image: docker2-student1:v1
    restart: always
    ports:
      - "1234:9090"
    environment:
      DB_CONNECTION_IP: "mysql"
      DB_CONNECTION_PORT: "3306"
      DB_CONNECTION_USERNAME: root
      DB_CONNECTION_PASSWORD: parvin@
    #    networks:
    #      critical_network:
    depends_on:
      - db
  docker2-2:
    hostname: docker2
    image: docker2-student2:v1
    restart: always
    ports:
      - "1235:9090"
    environment:
      DB_CONNECTION_IP: "mysql"
      DB_CONNECTION_PORT: "3306"
      DB_CONNECTION_USERNAME: root
      DB_CONNECTION_PASSWORD: parvin@
    #    networks:
    #      critical_network:
    depends_on:
      - db
  reverse-proxy:
    image: nginx
    hostname: proxy
    container_name: reverse_proxy
    depends_on:
      - docker2-1
      - docker2-2
    ports:
      - "8000:80"
    extra_hosts:
      - "host.docker.internal:host-gateway"
    volumes:
      - ./nginx.conf:/etc/nginx/nginx.conf
#networks:
#  critical_network:
#volumes:
#  db_data:

2. nginx.conf

events {
    worker_connections 1024;
}
http {
  server {
    listen 80;
    listen [::]:80;
    server_name localhost;

    location /student1 {
         proxy_pass http://docker2-1:9090/student1;
    }
    location /student2 {
         proxy_pass http://docker2-2:9090/student2;
    }
     location / {
         proxy_pass http://docker2-2:9090/student1;
     }
  }
}