43. 도움 받은 곳
• https://firebase.google.com/docs/
• https://www.youtube.com/firebase
튜토리얼 부분은 꼭 보세요!!
• https://github.com/firebase
• 인프런 신휴창님 강좌
• udacity.com - Firebase in a Weekend (android, iOS)
• https://brunch.co.kr/@bokyungkimp19d/5
https://www.slideshare.net/ssuserdef905/ss-77688033