How to use custom env.php and config.php with values loaded from .env file or environment variables?

Question

I am new to Magento and I have noticed that everytime I run:

bin/magento setup:install --base-url=http://localhost:8090 
--backend-frontname=admin 
--db-host=magento_mysql
--db-name=webshop 
--db-user=admin
--db-password=test1234
--admin-firstname=admin 
--admin-lastname=admin 
[email protected] 
--admin-user=admin 
--admin-password=test123 
--language=nl_NL 
--currency=EUR 
--timezone=Europe/Amsterdam 
--use-rewrites=1 
--elasticsearch-host=elasticsearch 
--elasticsearch-port=9200

The config.php and env.php file are being regenerated.

What I would like to accomplish is to have a default template with my custom configurations in those files and load in the database information and other sensisitive data from a .env file. Using getenv("DB_PASS") to retrieve the environment variables inside env.php.

The idea is that Magento will run inside Docker and when I deploy it to a server I don't want the install script to overwrite my local config files.

So is there a way to pre-configure Magento with custom env.php and config.php and make it use those files when setting everything up?

Answer 1

I think magento install will always generate these files. That being said, you can replace them after your installation and they will change. For exemple for people working on remote database it's quite common to swich their env to go and check the database of a coworker.

The config.php can be locked and defined by the data stored. So most of the time you can just put that fine on git to use it.