Docker compose

Docker Compose is a tool available since 2014 for defining and running multi-container Docker applications.

Rules are defined in docker-compose.yml and executed by running docker-compose up.

docker-compose allows to define start order dependencies between containers.

For reference of valid options for docker compose check: https://docs.docker.com/compose/compose-file/

Installation

• brew install docker-compose

Basic commands

• docker-compose -h (for list of commands and options)
• docker-compose up
• docker-compose up -d

-d daemon

• Start your containers with a command line variable: YOUR_VARIABLE=YOUR_VALUE docker-compose up

• docker-compose -p NAME --project-name

Logs:

• docker-compose logs View output from containers
• docker-compose logs -f View output from containers
• docker-compose pull SERVICE_NAME or docker-compose pull. . See also: docker images

• docker-compose build
• docker-compose bundle
• docker-compose config
• docker-compose create
• docker-compose down

docker-compose down --remove-orphans

• docker-compose events
• docker-compose exec
• docker-compose help
• docker-compose images
• docker-compose kill
• docker-compose logs: docker-compose logs SERVICE_NAME (You will find your SERVICE_NAME looking into your docker-compose.yml file)
• docker-compose pause
• docker-compose port
• docker-compose ps
• docker-compose pull.docker-compose pull SERVICE_NAME. Just pull container images but do not start them. To update your image and start your services: docker-compose pull && docker-compose up -d
• docker-compose push
• docker-compose restart
• docker-compose rm
• docker-compose run
• docker-compose scale
• docker-compose start
• docker-compose stop
• docker-compose top
• docker-compose unpause
• docker-compose up

Activities

Basic

1. Read docker-compose StackOverflow questions: https://stackoverflow.com/questions/tagged/docker-compose?tab=Votes
2. Read docker-compose changelog/release notes: https://github.com/docker/compose/blob/master/CHANGELOG.md
3. Review docker compose file format evolution

Advanced

1. Read docker-compose source code: https://github.com/docker/compose
2. Read Ansible module documentation about docker_compose: https://docs.ansible.com/ansible/latest/modules/docker_compose_module.html
3. Learn to use extension-fields or templating added in 3.4 version.

See also

• docker stack and docker swarm commands
• docker-compose (services, volumes, networks): docker-compose.yml, Docker-compose.yml examples, docker-compose up, docker-compose down, docker-compose restart docker-compose logs, docker-compose create, changelog, version, secrets
• Docker: docker-compose, Docker Volumes, Docker images management, docker network, docker inspect, docker volume inspect, Dockerfile, docker info, docker build, docker commit, docker image, docker images, docker image ls, docker image inspect, docker rmi, docker rm, docker info, docker version, docker exec, Docker Engine release notes,docker kill, docker start, moby, Docker-in-Docker, docker context, buildx, docker tag, docker system prune, Docker Hub, daemon.json, dockerd, logs, Docker logging
• Kubernetes Pods

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Source: https://en.wikiversity.org/wiki/DevOps/Docker/docker_compose