This Lambda will be invoked when a file is uploaded to a particular bucket. It will fetch the file that was added, resize it, and store the output in a different bucket.

Clone the project

  git clone https://github.com/OneLightWebDev/image-resizer-lambda.git

Install Dependencies

# Required options if on mac
npm install --arch=x64 --platform=linux --target=16x sharp

Remember set the DEST_BUCKET in your Lambda's "Configuration" tab. To do this, open your Lambda in the AWS Console, select the "Configuration" tab, then click "Environment variables"

DEST_BUCKET=thumbnails-bucket-name

npm run package

Running the command above will zip your source code and dependencies. The zip can then be uploaded to your Lambda.