Git Ignore files when make a pull

Question

I am new at github and I am developing an app that has a config.php file that you must enter the database credentials.

In my github repository the file

Answer 1

To stop tracking a file you need to remove it from the index. This can be achieved with this command:

git rm --cached <file>

Commit that change

git commit -am "Remove ignored config.php"

Answer 2

.gitignore is for ignoring untracked files, but you need to ignore changes in the tracked one. you could use git update-index --skip-worktree /path/to/config.php

See https://git-scm.com/docs/git-update-index#_skip_worktree_bit