Why use docker compose ?

• Easy set up : it simplifies setting up and running multi-container application with single config

• consistent development : use it for consistent development env

👉🏻 Docker Version 3

In docker compose v3, every container defined in docker compose share common network and they can be connected via hostname

docker compose.yaml

version: "3"
services:
    drupal:
        images: "drupal"
        port:
           - 80:80
        environment:
            - name="abc"
     custom:
         build: .
         port:
            - 81:3930
          restart: on-failur:5

docker compose cli

docker compose up	start all container
docker compose down	stop all container
docker stop service_name	stop individual container
docker start service_name	start individual container
docker compose ps	list of container
docker compose up -build	build and run