[wp-trac] [WordPress Trac] #52668: Make it easier to override the built-in docker environment's config

[WordPress Trac]

#52668: Make it easier to override the built-in docker environment's config
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 Reporter:  TimothyBlynJacobs  |      Owner:  (none)
     Type:  enhancement        |     Status:  new
 Priority:  normal             |  Milestone:  Awaiting Review
Component:  Build/Test Tools   |    Version:  trunk
 Severity:  normal             |   Keywords:
  Focuses:                     |
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 Core currently ships with a `.env` file to provide a default configuration
 to the built-in Docker environment. If you want to override some of these
 variables you can setup values as environment variables before invoking
 the `npm run env:*` commands.

 It can be a somewhat frustrating DUX if you need to consistently override
 these values, and not just once for testing some specific configuration.
 For instance if you need to use mariadb for ARM support, or making sure
 the correct port is used.

 One possibility to make this more permanent is to modify the `.env` file
 itself, but then you need to remember to exclude changes to that file when
 committing which is a bit annoying.

 There is the ability to create a docker-compose override file. But IMO
 that is a bit of overkill if just using the existing environment variable
 configuration would be sufficient.

 One way I think we could solve this would be to change the `.env` file to
 `.env.example` and then in a `post install` routine copy the file from
 `.env.example` to `.env` if a `.env` file does not already exist. That
 way, if a user wants to they can customize that `.env` file without any
 fear that a future pull will overwrite their changes or that their changes
 would be accidentally included in a commit.

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Ticket URL: <https://core.trac.wordpress.org/ticket/52668>
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