Dockerexec

Small bash script to ease docker container interaction from your terminal.

Goal

dockerexec.sh script aims to ease developer's interactions with docker containers running on their local machine.

It allows you to execute a command in your container from your host, with your host user, and displays containers output.

Limitations

That said, it's only designed to be working with a shell environment, and tested on a Ubuntu 18.04 installation, let me know by a PR if you need tweaks for other configurations.

Usage

.container

First of all, create a .container file in your php project with a single line

container:path

A sample file is provided in example directory.

container should be either the container name or id you want to execute a command in.

path should be the absolute path in the container where your command have to be executed

Note that path is optional. When not provided, your command will be executed in the container WORKDIR (see https://docs.docker.com/engine/reference/builder/#/workdir).

Installing on your local environment

You can get full benefit of dockerexec everywhere by having it in your $PATH.

For instance, create a bin directory in your $HOME directory and change your $PATH in .bashrc

# ~/.bashrc
export PATH=$HOME/bin:$PATH

Then copy the dockerexec, and make it executable

cp src/dockerexec.sh ~/bin/dockerexec
chmod +x ~bin/dockerexec

You may need to re-open your terminal or reload your bash environment, like this

. ~/.bashrc

Usage

Now dockerexec is up, go to your project, create as mentionned the .container file and run dockerexec

myproject $ dockerexec ls -a
project_php:/usr/local/share/project #  "pwd"
/apps/sylius

For a php project

myproject $ dockerexec php -v
project_php:/usr/local/share/project #  "php" "-v"
PHP 7.2.16 (cli) (built: Mar  9 2019 01:55:33) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.2.0, Copyright (c) 1998-2018 Zend Technologies
    with Zend OPcache v7.2.16, Copyright (c) 1999-2018, by Zend Technologies
    with blackfire v1.28.4~linux-x64-non_zts72, https://blackfire.io, by Blackfire

PHP and Symfony

When working with PHP and Symfony, you can install scripts sf and dcomposer in the ~/bin directory created on installation, or do something equivalent.

sf is a shortcut for dockerexec to launch Symfony bin/console in the container
dcomposer is a shortcut to launch php composer.phar in the container, you need to download composer.phar from getcomposer.org

Have fun, save time.

Credits

Loïc Caillieux

License

caillioux/dockerexec

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