add playground flag for ehroku

rwieruch · rwieruch · commit 8dcea82b3013 · 2018-12-17T12:02:55.000+08:00
diff --git a/src/index.js b/src/index.js
@@ -37,6 +37,7 @@ const getMe = async req => {
 
 const server = new ApolloServer({
   introspection: true,
+  playground: true,
   typeDefs: schema,
   resolvers,
   formatError: error => {
