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Symfony Minimal Edition

Symfony ME (pun not intended) is an opinionated minimal base install of the Symfony2 framework - sort of a middle ground between using Silex and the full blown Symfony SE install. Some concepts are heavily inspired by Benjamin's post on the subject.

For experienced Symfony2 developers, ME provides a clean starting point where you only add what you need. On the other hand, newcomers to Symfony2 can use this as a playground to understand how the full stack framework can be set up manually and in non-standard ways.

Disclaimer: This is not an official Symfony distribution, just a private project. While it is perfectly possible to build production projects on Symfony ME, it lacks some features from Symfony SE that are meant to enable SE to be used in a broad range of environments (for example, ME lacks the bootstrap.php.cache). If you use this for more than educational purposes, it is assumed that you know what you are doing.

The main differences compared to the Symfony Standard Edition are:

Bundles

Symfony ME comes with the Symfony core bundles plus the MonologBundle. Most other tools such as Assetic, FrameworkExtraBundle, Swiftmailer, Doctrine, etc. are missing from a default install.

Configuration

Following 12 factor app recommendations, all infrastructure parameters are configured using environment variables, down to setting the debug flag and the environment name. In consequence, there is no parameters.yml and the configuration file structure is simplified compared to Symfony SE.

To facilitate easy development with this approach, the kernel will use PHP dotenv to load environment vars if no var is found in the environment, or when the app is running using the built-in webserver. The names used for the environment variable checks can be set in the front controller when calling the kernel constructor.

For any kind of deployment other than development, configuration should take place exclusively through environment variables. No code or file changes from development are required.

Files and folder structure

Symfony ME uses a Symfony 3.0 inspired directory structure:

• The script is found in the directory
• The and directories have been moved to
• There is only a single index.php front controller
• No .htaccess file included

Installation

Create a project:

$ composer create-project monkeycode/minisf myproject

Symfony ME does not come with the or other composer script handlers. Therefore you also need to run:

$ cp .env.dist .env
$ bin/console assets:install --symlink

That's it, you're good to go.

Version Numbering

To enable staying in sync with official Symfony2 version numbers, ME uses a fourth version number sequence [sic] to denote bugfixes for all ME releases that are based on the same Symfony2 release.