Adventures in AWS

• 23 March 2024
• aws,
• lambda

Lambda Layers #

lambda layers console log to cloudwatch is on each line

Useful case! When you have a binary that you need compiled for AWS ie canvas. You can create a layer with that binary import then use it iny our lambda!

Lambda #

• Expect lambda exits invocation after sending a response back to the http gateway.
  • running stuff after the http response.send may be in an indeterminate state.

Dyanmo #

• When writing tests that hit the actual database, Use real looking data INCLUDING ids. foo-677affd3-e921-471e-9d47-cf92f84b3901 vs foo-123
• Keep in mind that every gsi is creating another duplicated table in data which will include the WCU for that table AND throughput limits. ie throttling

• Next: AWS Stuff that I Keep Forgetting About and they Keep Biting Me