http://www.ownway.info/Ruby/index.php?heroku%2Fhow%2Fmanagement%2Fdatabaseデータベースの確認と作成 *以下のコマンドを実行してください。heroku addons --app アプリケーションＩＤ一覧に heroku-postgresql があれば Postgres が使えるようになってい…

$ git push heroku masterPermission denied (publickey). fatal: The remote end hung up unexpectedly heroku keys:add - http://stackoverflow.com/questions/8786564/cannot-push-to-heroku-because-key-fingerprint/8803103#8803103ssh-keygen -t rsa -…

git initgit add .; git commit -m 'initial commit'heroku create 'your_app_name' --stack cedargit push heroku master

http://stackoverflow.com/questions/8786564/cannot-push-to-heroku-because-key-fingerprintmultiple keys and multiple heroku accountsthe main problem is ssh-agent, which you control using the ssh-add command. The man page (man ssh-add) is act…