Docker Compose : Add New Container in existing docker compose

How to add a new container in a existing docker-compose file.

Steps:
The existing docker-compose file

version: '3.3'

networks:
  pwa_net:
    ipam:
      driver: default
      config:
      - subnet: 60.0.0.0/24
        gateway: 60.0.0.1
        
services:
        
  mysql-cont:
    image: mysql:8.0      
    container_name: springboot-mysql-cont
   
    networks:
      pwa_net:
        ipv4_address: 60.0.0.11
       
    environment:
      MYSQL_ROOT_PASSWORD: root
      MYSQL_DATABASE: bookstore
      MYSQL_USER: bookstore
      MYSQL_PASSWORD: bookstore

Stop all the running container just using dc stop
Then add the new container in the docker-compose file.

version: '3.3'

networks:
  pwa_net:
    ipam:
      driver: default
      config:
      - subnet: 60.0.0.0/24
        gateway: 60.0.0.1
        
services:
        
  mysql-cont:
    image: mysql:8.0      
    container_name: springboot-mysql-cont
   
    networks:
      pwa_net:
        ipv4_address: 60.0.0.11
       
    environment:
      MYSQL_ROOT_PASSWORD: root
      MYSQL_DATABASE: bookstore
      MYSQL_USER: bookstore
      MYSQL_PASSWORD: bookstore      
       
  redis-cont:
    image: redis:latest     
    container_name: springboot-redis-cont
    networks:
      pwa_net:
        ipv4_address: 60.0.0.14

Then start the new container just using dc up redis-cont
Then stop the container
Then start all the containers just using dc start