Set $PROJECT_NAME in docker-compose file

user_446835 0
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I am using the same docker-compose.yml file for multiple projects. I am really lazy, so I don't want to start them with docker-compose -p $PROJECT_NAME up.

As of Docker version 17.06.0, is it possible to set the variable directly in the docker-compose.yml file?

docker-compose docker
4 Answers

I know this question was asked a long time ago, but I ran into the same problem. There's a suggestion to add the feature https://github.com/docker/compose/issues/745, but they don't want to.

However, I have a Makefile in the root of the directory and then you can add something like in the Makefile:

.PHONY: container-name
container-name:
    docker-compose -p $PROJECT_NAME up -d container-name

and then run make container-name

I know it isn't what you asked for, but could maybe make your life a bit easier.

user_75867910

220806 UPDATE: you can now use the top-level name property in your docker-compose YAML file.

This is the result of the #745 proposal.

user_35535410

You can add them as your environment variables which are available through the session in which you are bringing up your containers using the docker compose.

Ie, if you wanted to use $PROJECT_NAME somewhere inside your docker-compose.yaml then if this variable has a value in your session, then it would be picked up.

Inside the yaml you can assign it to anything as you want it. You want as a commandline arg to some script, even that is also possible. ie, 

working_dir: /opt
command: /bin/bash -c './script.sh ${PROJECT_NAME}'
volumes:
    - /var/run/:/host/var/run/

I'm using docker version : Docker version 17.09.0-ce, build afdb6d4 docker-compose version : docker-compose version 1.14.0, build c7bdf9e

user_38248410
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