fatal: 'heroku' does not appear to be a git repository code example

Example 1: fatal: 'origin' does not appear to be a git repository

git remote add origin URL_TO_YOUR_REPO

Example 2: fatal: 'heroku' does not appear to be a git repository

git push <heroku-server-name> <localbranch>:<remote-branch>

Example 3: fatal: 'heroku' does not appear to be a git repository

fatal: 'heroku' does not appear to be a git repository