Lab #22: Down Command
The docker-compose down command helps to Stop and remove containers, networks, images, and volumes.
Pre-requisite:
Tested Infrastructure
| Platform | Number of Instance | Reading Time |
|---|---|---|
| Play with Docker | 1 | 5 min |
Pre-requisite
- Create an account with DockerHub
- Open PWD Platform on your browser
- Click on Add New Instance on the left side of the screen to bring up Alpine OS instance on the right side
Assignment
- Create a docker-compose.yml file
- Bringup the containers
- Stop and remove containers, networks
Create a docker-compose.yml file
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: Bringup the containers
$ docker-compose up -d Checking container status
$ 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 Stop and remove containers, networks
$ docker-compose down Stopping Mysqldb ... done Stopping Nginx ... done Removing Mysqldb ... done Removing Nginx ... done Removing network root_default Down and remove images
$ docker-compose down --rmi <all|local> ‘all’: Remove all images used by any service.
‘local’: Remove only images that don’t have a custom tag set by the image field.
Down and remove volumes
$ docker-compose down --volumes Stop and remove containers, networks + Remove volumes,images
$ docker-compose down --volume --rmi all Stopping Mysqldb ... done Stopping Nginx ... done Removing Mysqldb ... done Removing Nginx ... done Removing network root_default Removing volume root_db_data Removing image nginx:alpine Removing image mysql:5.7