https://velog.io/@im_ssu/%EC%95%88%EB%93%9C%EB%A1%9C%EC%9D%B4%EB%93%9C-%EA%B5%AC%EA%B8%80-%EC%9D%B8%EC%95%B1-%EA%B2%B0%EC%A0%9C-V3
https://developer.android.com/studio/publish/app-signing
https://wp.swing2app.co.kr/knowledgebase/%EA%B5%AC%EA%B8%80-%EC%9D%B8%EC%95%B1%EC%83%81%ED%92%88%EB%93%B1%EB%A1%9D/
