site diff tool with puppeteer

Background   We recently have a requirement to do a site diff tool so that we can compare our pages in qa and prod to make sure the changes go in is expected. Existing Stack There used to be a version that works but a bit complicated. The existing stack is user provides a list…

lambda@edge prototype

Recently I was doing a MVP for replacing a ELB/EC2/Docker based static site preview stack with a cloudfront/lambda/s3 based one. Background The purpose of this is to reduce the maintenance we has to do with the EC2 stack like regular AMI update. reduce the complexity of the stackĀ  as the previous one involves building custom…