env 파일에 key를 담아보자
.env
REACT_APP_API_KEY =Aasdsadsadsad
REACT_APP_AUTH_DOMAIN =tasfasdsadsad
REACT_APP_PROJECT_ID =afasdasd
REACT_APP_STORAGE_BUCKET =asfasfasdsad
REACT_APP_MESSAGIN_ID =asfsafasd
REACT_APP_APP_ID =asfasdsad
firebase.js
apiKey: process.env.REACT_APP_API_KEY,
authDomain: process.env.REACT_APP_AUTH_DOMAIN,
projectId: process.env.REACT_APP_PROJECT_ID,
storageBucket: process.env.REACT_APP_STORAGE_BUCKET,
messagingSenderId: process.env.REACT_APP_MESSAGIN_ID,
appId: process.env.REACT_APP_APP_ID,
따라서 git ignore에 추가를해보자