Cloud Function Thumbnails Generator

• GenerateThumbnails function will generate 100x100, 500x500, 1000x1000 thumbnails triggered by uploading image to the target bucket.
• DeleteThumbnails function will delete generated thumbnails when original image gets deleted.

Deploy

• GenerateThumbnails

cd functions/generate_thumbnails
gcloud functions deploy GenerateThumbnails --runtime go111 --trigger-resource BUCKET_NAME --trigger-event google.storage.object.finalize

• DeleteThumbnails

cd functions/delete_thumbnails
gcloud functions deploy DeleteThumbnails --runtime go111 --trigger-resource BUCKET_NAME --trigger-event google.storage.object.delete

Example

Uploaded Image

Generated Thumbnails

• 1000x1000

• 500x500

• 100x100