README.md

crop

Copy and crop images using Lambda.

Prerequisites: Node.js and AWS CLI installed

Create an AWS Account and IAM User with the AdministratorAccess AWS Managed Policy
Run aws configure to put store that user's credentials in ~/.aws/credentials
Create an S3 bucket for storing the Lambda code and store its name in a shell variable with:
- export CODE_BUCKET=bucket
Create the S3 bucket for the cropped output, store its name in shell variable:
- export DEST_BUCKET=bucket
Choose a name, but do NOT create the S3 bucket input comes from, store its name in shell variable:
- export SOURCE_BUCKET=bucket
Choose the width in pixels, store it in shell variable:
- export WIDTH=600
Choose the height in pixels, store it in shell variable:
- export HEIGHT=400
Choose the x in pixels (number of pixels right from left edge to remove), store it in shell variable:
- export X=50
Choose the y in pixels (number of pixels down from the top to remove), store it in shell variable:
- export Y=50
Npm install:
- npm install
Build:
- npm run build
Upload package to S3, transform the CloudFormation template:
- npm run package
Deploy to CloudFormation:
- npm run deploy

Images that you put into the source bucket will be transformed, then put into the destination bucket