Fix ts + Add env example + Use env Graphql Uri

Author: DylanMerigaud

backend/src/index.ts

@@ -15,8 +15,6 @@ import { Aliment, AuthPayload } from './schemas'
 import { getUser } from './auth'
 
 import * as cors from 'cors'
-import { any } from 'prop-types'
-import { PrismaClient } from 'nexus-prisma/dist/types'
 
 import PostConnection from './postConnection'
 

frontend/.env.example

@@ -0,0 +1,2 @@
+REACT_APP_GRAPHQL_URI=http://localhost:4000/graphql
+FIREBASE_TOKEN=**********

frontend/src/App.tsx

@@ -90,7 +90,7 @@ const client = new ApolloClient({
       cache,
     }),
     new HttpLink({
-      uri: 'http://localhost:4000/graphql',
+      uri: process.env.REACT_APP_GRAPHQL_URI || 'http://localhost:4000/graphql',
       // credentials: 'include' TODO: what is include
     }),
   ]),