Added author section

Author: seshubaws

s3-lambda-resizing-python/README.md

@@ -30,6 +30,7 @@ Important: this application uses various AWS services and there are costs associ
     * Enter a stack name
     * Enter the desired AWS Region
     * Allow SAM CLI to create IAM roles with the required permissions.
+    * Enter names for your source and destination S3 buckets. Make sure these are unique as S3 bucket names share a global namespace.
 
     Once you have run `sam deploy --guided` mode once and saved arguments to a configuration file (samconfig.toml), you can use `sam deploy` in future to use these defaults.
 
@@ -39,16 +40,16 @@ Important: this application uses various AWS services and there are costs associ
 
 * Use the AWS CLI upload an image to S3
 * If the object is a .jpeg or a .png, the code creates a thumbnail and saves it to the target bucket. 
-* The code assumes that the destination bucket exists and its name is a concatenation of the source bucket name followed by the string -resized
+* The code assumes that the destination bucket exists.
 
 ==============================================
 
 ## Testing
 
-Run the following S3 CLI  command to upload an image to the S3 bucket. Note, you must edit the {SourceBucketName} placeholder with the name of the S3 Bucket. This is provided in the stack outputs.
+Run the following S3 CLI command to upload an image to the S3 bucket. Note, you must edit the {SourceBucketName} placeholder with the name of the S3 Bucket. This is provided in the stack outputs.
 
 ```bash
-aws s3 cp './events/white_dog.jpeg'  s3://{SourceBucketName}
+aws s3 cp './events/white_dog.jpeg' s3://{SourceBucketName}
 ```
 
 Run the following command to check that a new version of the image has been created in the destination bucket.

s3-lambda-resizing-python/events/event.json

@@ -20,14 +20,14 @@
         "s3SchemaVersion": "1.0",
         "configurationId": "828aa6fc-f7b5-4305-8584-487c791949c1",
         "bucket": {
-          "name": "s3sourcebuckett",
+          "name": "<your-bucket-name-here",
           "ownerIdentity": {
             "principalId": "A3I5XTEXAMAI3E"
           },
           "arn": "arn:aws:s3:::lambda-artifacts-deafc19498e3f2df"
         },
         "object": {
-          "key": "white_dog.jpeg",
+          "key": "<your-source-object-key-here>",
           "size": 1305107,
           "eTag": "b21b84d653bb07b05b1e6b33684dc11b",
           "sequencer": "0C0F6F405D6ED209E1"

s3-lambda-resizing-python/example-pattern.json

@@ -41,5 +41,13 @@
       "text": [
         "Delete the application: <code>sam delete</code>."
       ]
+    },
+    "authors": [
+    {
+      "name": "Seshu Brahma",
+      "image": "https://i.postimg.cc/ZR0MyrTN/seshub-photo.jpg",
+      "bio": "SDE II, Lambda, AWS",
+      "linkedin": "seshu-brahma"
     }
+  ]
 }

s3-lambda-resizing-python/src/app.py

@@ -20,4 +20,4 @@ def lambda_handler(event, context):
         upload_path = '/tmp/resized-{}'.format(tmpkey)
         s3_client.download_file(bucket, key, download_path)
         resize_image(download_path, upload_path)
-        s3_client.upload_file(upload_path, os.getenv('DestinationBucketName'), 'resized-{}'.format(key))
+        s3_client.upload_file(upload_path, os.getenv('DESTINATION_BUCKETNAME'), 'resized-{}'.format(key))

s3-lambda-resizing-python/template.yaml

@@ -5,8 +5,12 @@ Description: Image resizing service (tag:s3-lambda-resizing-python)
 Parameters:
   SourceBucketName:
     Type: String
+    # Pass your bucket name dynamically or change it here
+    Default: my-source-bucket-name
   DestinationBucketName:
     Type: String
+    # Pass your bucket name dynamically or change it here
+    Default: my-destination-bucket-name
 
 Resources:
   ## S3 bucket
@@ -27,7 +31,6 @@ Resources:
       Handler: app.lambda_handler
       Runtime: python3.12
       MemorySize: 2048
-      Timeout: 60
       Layers:
         - !Sub 'arn:aws:lambda:${AWS::Region}:175033217214:layer:graphicsmagick:2'
       Policies:
@@ -58,4 +61,4 @@ Outputs:
     Description: S3 destination Bucket for object storage
   FunctionArn:
     Value: !Ref ResizerFunction
-    Description: ResizerFunction function  Arn
+    Description: ResizerFunction function  Arn