How To Install Docker Compose on Ubuntu

Docker-Compose:

Docker compose is used to run multi-container docker applications, In docker compose to run these docker multi containers we use docker-compose.yml files. And by using this docker compose we can scale up the selected containers when required.

• Docker Compose Yml Example

Prerequisite of docker compose is docker, So docker must be installed on your system.

You can check docker is installed or not by using docker info command or docker –version command

docker --version

Docker version 18.09.0, build 4d60db4

Or you can use docker info command

docker info

If you have not installed docker yet you can check the following link.

• How To Install Docker

Install Docker Compose on Ubuntu

install docker compose by using below command

curl -L https://github.com/docker/compose/releases/download/1.22.0/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose

Set The Permissions:

chmod +x /usr/local/bin/docker-compose

Now you can check docker compose version with docker-compose version   command

Docker-Compose Version

root@ip-10-0-0-30:~# docker-compose version
docker-compose version 1.22.0, build f46880fe
docker-py version: 3.4.1
CPython version: 3.6.6
OpenSSL version: OpenSSL 1.1.0f  25 May 2017

now you can see above docker compose version is 1.22.0 now we can see how to update docker compose

Update Docker Compose:

to update docker compose to any version use below command

curl -L https://github.com/docker/compose/releases/download/X/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose

in the place of X mention your version number and run the command. it will update the docker compose version.

Ex:

curl -L https://github.com/docker/compose/releases/download/1.23.1/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose

now check the docker composer with docker compose version command

root@ip-10-0-0-30:~# docker-compose version
docker-compose version 1.23.1, build b02f1306
docker-py version: 3.5.0
CPython version: 3.6.7
OpenSSL version: OpenSSL 1.1.0f  25 May 2017

so to update the docker compose use any version number in the place of X.

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