version: '3.7'
services:
  #Nginx Service
   webserver:
     image: nginx:alpine
     container_name: Nginx
     restart: unless-stopped
     ports:
       - "80:80"
       - "443:443"
   dbserver:
     image: mysql:5.7
     container_name: Mysqldb
     restart: unless-stopped
     ports:
       - "3306:3306"
     environment:
       MYSQL_ROOT_PASSWORD: Pa$$w0rd
       MYSQL_USER: test
       MYSQL_PASSWORD: Pa$$w0rd123
       MYSQL_DATABASE: test 
     volumes:
       - db_data:/var/lib/mysql
volumes:
  db_data:

$ docker-compose up -d

$  docker-compose ps
 Name               Command             State                    Ports                  
----------------------------------------------------------------------------------------
Mysqldb   docker-entrypoint.sh mysqld   Up      0.0.0.0:3306->3306/tcp, 33060/tcp       
Nginx     nginx -g daemon off;          Up      0.0.0.0:443->443/tcp, 0.0.0.0:80->80/tcp

$  docker-compose ps --services
webserver
dbserver

$  docker-compose stop webserver
Stopping Nginx ... done

$  docker-compose ps
 Name               Command             State                  Ports              
----------------------------------------------------------------------------------
Mysqldb   docker-entrypoint.sh mysqld   Up       0.0.0.0:3306->3306/tcp, 33060/tcp
Nginx     nginx -g daemon off;          Exit 0                               

$  docker-compose start webserver
Starting webserver ... done