git add folder to gitignore code example

Example 1: git add gitignore

$ touch .gitignore

Example 2: gitignore folder

in .gitignore:
	folder/

Example 3: what to add to gitignore

Look at this awesome site!
https://www.toptal.com/developers/gitignore
Generates a gitignore for you, based on the technologies you're using

Example 4: git exclude folder

directory_to_exclude/

Example 5: git ignore content of a folder

# exclude everything
somefolder/*

# exception to the rule
!somefolder/.gitkeep

Example 6: what is add.gitignore

The purpose of gitignore files is to ensure that certain files not tracked by git remain untracked.