setting lambda iam role & register S3 event triger

Author: samuraikun

serverless.yml

@@ -5,13 +5,25 @@ provider:
   runtime: ruby2.7
   region: ap-northeast-1
   lambdaHashingVersion: 20201221
+  iamRoleStatements:
+    - Effect: "Allow"
+      Action:
+        - "s3:*"
+      Resource:
+        - "arn:aws:s3:::yuichi-kojima-test2/*"
 functions:
   image_resizer:
     handler: handler.handler
+    layers:
+      - arn:aws:lambda:ap-northeast-1:046977594715:layer:sample-rubyvips8100-27:1
     events:
-      - httpApi:
-          path: /hello
-          method: get
+      - s3:
+          bucket: yuichi-kojima-test2
+          events:
+            - s3:ObjectCreated:*
+          rules:
+            - prefix: uploads
+          existing: true
 package:
   exclude:
     - .git