Alpine Linux docker image with the Symfony installer set up with "symfony" as entrypoint.
$ docker run --rm -it -v $(pwd):/data jimlei/alpine-symfony new my_project_name
Add to ~/.bashrc
alias symfony='docker run --rm -it -v $(pwd):/data jimlei/alpine-symfony'
Load the changes
$ source ~/.bashrc
Usage
$ symfony new my_project_name