197 lines
6.3 KiB
Markdown
197 lines
6.3 KiB
Markdown
# How To Install Docker Compose on Linux
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How do I install Docker Compose on Ubuntu 22.04/20.04/18.04 | Debian 11/10 | CentOS 8 | Fedora 36/35/34/33/32?. This guide will show you how to Install the Latest Docker Compose on Linux. Compose is a tool for defining and running multi-container Docker application. A YAML file is used to configure your application's services.
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This post aims to be a concise instructional step-by-step guide for developers and SysAdmins seeking to setup Docker Compose on Linux. We will check the Github API releases page for the project, and pull the latest binary file.
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## How To Install Docker Compose on Linux
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You need curl and wget installed on your system for this operation. And definitely, access to the Terminal as a user with sudo privileges.
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```
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### CentOS / RHEL ###
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sudo yum -y install curl wget
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### Debian / Ubuntu ###
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sudo apt update
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sudo apt install -y curl wget
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### Fedora ###
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sudo dnf -y install curl wget
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```
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Once curl has been installed, download the latest Compose on your Linux machine.
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```
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curl -s https://api.github.com/repos/docker/compose/releases/latest | grep browser_download_url | grep docker-compose-linux-x86_64 | cut -d '"' -f 4 | wget -qi -
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```
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Make the binary file executable.
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```
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chmod +x docker-compose-linux-x86_64
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```
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Move the file to your PATH.
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```
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sudo mv docker-compose-linux-x86_64 /usr/local/bin/docker-compose
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```
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Confirm version.
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```
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$ docker-compose version
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Docker Compose version v2.11.2
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```
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Add user to docker group:
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```
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sudo usermod -aG docker $USER
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newgrp docker
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```
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## Configure Compose Command-line completion
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Compose has [command completion](https://en.wikipedia.org/wiki/Command-line_completion) for the bash and zsh shell.
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## For Bash users
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Place the completion script in `/etc/bash_completion.d`/.
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```
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sudo curl -L https://raw.githubusercontent.com/docker/compose/master/contrib/completion/bash/docker-compose -o /etc/bash_completion.d/docker-compose
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```
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Source the file or re-login to enjoy completion feature.
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```
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source /etc/bash_completion.d/docker-compose
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```
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## For Zsh users
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Download the completion script in your `~/.zsh/completion/`
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```
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mkdir -p ~/.zsh/completion
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curl -L https://raw.githubusercontent.com/docker/compose/master/contrib/completion/zsh/_docker-compose > ~/.zsh/completion/_docker-compose
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```
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Include the directory in your `$fpath` by adding in `~/.zshrc`:
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```
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fpath=(~/.zsh/completion $fpath)
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```
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Make sure `compinit` is loaded or do it by adding in `~/.zshrc`:
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```
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autoload -Uz compinit && compinit -i
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```
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Then reload your shell:
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```
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exec $SHELL -l
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```
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## Test Docker Compose installation.
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Our comprehensive guide is on [Managing Docker Containers with Docker Compose](https://computingforgeeks.com/managing-docker-containers-with-docker-compose/)
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Create a test Docker Compose file.
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```
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vim docker-compose.yml
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```
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Add below data to the file.
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```
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version: '3'
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services:
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web:
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image: nginx:latest
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ports:
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- "8080:80"
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links:
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- php
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php:
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image: php:7-fpm
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```
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Start service containers.
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```
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$ docker-compose up -d
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Creating network "root_default" with the default driver
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Pulling php (php:7-fpm)...
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7-fpm: Pulling from library/php
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b4d181a07f80: Pull complete
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78b85dd8f014: Pull complete
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8589b26a90be: Pull complete
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f5af5d641946: Pull complete
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4611dfe4969e: Pull complete
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8d335174dcfe: Pull complete
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e4ac2aba3855: Pull complete
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1ec2992b064f: Pull complete
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d0702e432261: Pull complete
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508ceaa40a86: Pull complete
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Digest: sha256:c5132fe8a019128a89bcc157f5e2b8544ea3078fb9aba076bfe27486f34b0fb5
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Status: Downloaded newer image for php:7-fpm
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Pulling web (nginx:latest)...
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latest: Pulling from library/nginx
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b4d181a07f80: Already exists
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edb81c9bc1f5: Pull complete
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b21fed559b9f: Pull complete
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03e6a2452751: Pull complete
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b82f7f888feb: Pull complete
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5430e98eba64: Pull complete
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Digest: sha256:47ae43cdfc7064d28800bc42e79a429540c7c80168e8c8952778c0d5af1c09db
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Status: Downloaded newer image for nginx:latest
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Creating root_php_1 ... done
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Creating root_web_1 ... done
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```
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Show running Containers
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```
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$ docker-compose ps
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Name Command State Ports
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------------------------------------------------------------------------------------------
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root_php_1 docker-php-entrypoint php-fpm Up 9000/tcp
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root_web_1 /docker-entrypoint.sh ngin ... Up 0.0.0.0:8080->80/tcp,:::8080->80/tcp
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```
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Destroy containers
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```
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$ docker-compose stop
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Stopping root_web_1 ... done
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Stopping root_php_1 ... done
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$ docker-compose rm -f
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Going to remove root_web_1, root_php_1
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Removing root_web_1 ... done
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Removing root_php_1 ... done
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```
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Go through Official[ Docker documentation](https://docs.docker.com/) and [Docker Compose documentation](https://docs.docker.com/compose/) to learn more.
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### Best Docker Learning Courses:
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- [Docker Mastery: with Kubernetes +Swarm from a Docker Captain](https://click.linksynergy.com/deeplink?id=2sb89XJC/EQ&mid=39197&murl=https%3A%2F%2Fwww.udemy.com%2Fcourse%2Fdocker-mastery%2F)
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- [Docker for the Absolute Beginner -- Hands On -- DevOps](https://click.linksynergy.com/deeplink?id=2sb89XJC/EQ&mid=39197&murl=https%3A%2F%2Fwww.udemy.com%2Fcourse%2Flearn-docker%2F)
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- [Docker and Kubernetes: The Complete Guide](https://click.linksynergy.com/deeplink?id=2sb89XJC/EQ&mid=39197&murl=https%3A%2F%2Fwww.udemy.com%2Fcourse%2Fdocker-and-kubernetes-the-complete-guide%2F)
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- [Docker -- SWARM -- Hands-on -- DevOps](https://click.linksynergy.com/deeplink?id=2sb89XJC/EQ&mid=39197&murl=https%3A%2F%2Fwww.udemy.com%2Fcourse%2Flearn-docker-advanced%2F)
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- [Docker Swarm Mastery: DevOps Style Cluster Orchestration](https://click.linksynergy.com/deeplink?id=2sb89XJC/EQ&mid=39197&murl=https%3A%2F%2Fwww.udemy.com%2Fcourse%2Fdocker-swarm-mastery%2F)
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### More guides:
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- [Ctop -- Top command for container metrics](https://computingforgeeks.com/top-command-for-container-metrics/)
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- [How to Install Portainer Docker UI manager](https://computingforgeeks.com/install-docker-ui-manager-portainer/)
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- [How To run Local Kubernetes clusters in Docker](https://computingforgeeks.com/how-to-run-local-kubernetes-clusters-in-docker/)
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- [Deploy Lightweight Kubernetes with MicroK8s and Snap](https://computingforgeeks.com/deploy-lightweight-kubernetes-with-microk8s-and-snap/)
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- [How to run Minikube on KVM](https://computingforgeeks.com/how-to-run-minikube-on-kvm/)
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