Intro

This application can be deploy on lambda to compress image from S3 bucket and place it in another S3 bucket.

Feature

• Support latest Nodejs (18.x). There are many sample on the internet but not support latest nodejs.
• Auto delete original image once the resource been moved to compressed bucket
• Cloudfront fallback (no need to worry the delay between compress and display to end user)
• Fallback when unsupport file occoured (e.g. when there are non-image file been send to lambda, system will skip compress and move original file to compressed bucket directly.)
• Compress file

Getting Start

IAM

1. Create a role with S3 and Lambda full access

Lambda

[MAKE SURE YOUR LAMBDA AND S3 ARE IN SAME REGION]

1. Attach the previous role to the lambda function
2. Upload deploy.zip to lambda
3. On configuration page > Environment variables, add COMPRESSED_BUCKET and UNCOMPRESSED_BUCKET with your bucket name
4. On configuration page > General configuration, Change Memory to 1024MB, Storage to 1024MB and Timeout to 0 min 30 sec.

S3

[MAKE SURE YOUR LAMBDA AND S3 ARE IN SAME REGION]

1. Create on bucket to place original files
2. Create another bucket to place compressed files

Cloudfront

1. Create a cloudfront distributions
2. Create two origin pointing to two previous created buckets
3. Create one origin group, pointing to two origin (p.s. bucket )

How to compile

And upload to lambda

cd lambda-compress-image-node18.x
zip -r deploy.zip .

Infrastructure