gitattributes (ignore files or folders in production environement)

.gitattributes

# Path-based git attributes
# https://www.kernel.org/pub/software/scm/git/docs/gitattributes.html
# https://www.reddit.com/r/PHP/comments/2jzp6k/i_dont_need_your_tests_in_my_production/
# Ignore all test and documentation with "export-ignore".
/.editorconfig               export-ignore
/.gitattributes              export-ignore
/.gitignore                  export-ignore
/.scrutinizer.yml            export-ignore
/.styleci.yml                export-ignore
/.travis.yml                 export-ignore
/PULL_REQUEST_TEMPLATE.md    export-ignore
/ISSUE_TEMPLATE.md           export-ignore
/phpcs.xml.dist              export-ignore
/phpunit.xml.dist            export-ignore
/tests                       export-ignore
/docs                        export-ignore