This PR was merged into the 2.4 branch. Discussion ---------- [Console] Command as service | Q | A | ------------- | --- | Doc fix? | yes | New docs? | no | Applies to | 2.4+ | Fixed tickets | N/A Command as a service can be useful to give access to services and configuration parameters in the `configure` method. A simple use case: you want to allow the user to set an option's default value in the `app/config/parameters.yml` file. Or the default value needs to be computed by a service (database retrieval for instance). With a `ContainerAwareCommand`, this wouldn't be possible because the `configure` method is called from the constructor, so the container isn't set yet. Original PR: #3620 Commits ------- c8fe610 Moved back and listened to @weaverryan e8b3320 Took into account @cordoval's feedback 11bfe50 Added warning about performances 6a7a25f Fixed @wouterj's feedback e137951 Created a new article cdd534a Added @lsmith77 and @dbu use cases a7b916e Fixed typos spotted by @cordoval a055140 Took @wouterj's advices into account 947ad92 [Console] Adding use cases to command as service

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