fix: enable cors

netlify.toml

@@ -1,3 +1,8 @@
 [build]
   functions = "functions" # netlify-lambda builds to this folder AND Netlify reads functions from here
-  publish = "build" # create-react-app builds to this folder, Netlify should serve all these files statically
+  publish = "build" # create-react-app builds to this folder, Netlify should serve all these files statically
+
+[dev]
+  framework = "#static"
+  functions = "functions" # netlify-lambda builds to this folder AND Netlify reads functions from here
+  publish = "build" # create-react-app builds to this folder, Netlify should serve all these files statically

serverless.yml

@@ -0,0 +1,24 @@
+custom:
+  serverless-offline:
+    httpPort: 8888
+    corsAllowHeaders: "*"
+
+plugins:
+  - serverless-offline
+service: serverless-graphql
+provider:
+  name: aws
+  runtime: nodejs12.x
+
+functions:
+  graphql:
+    handler: functions/graphql/index.handler
+    events:
+      - http:
+          path: graphql
+          method: post
+          cors: true
+      - http:
+          path: graphql
+          method: get
+          cors: true