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AWS Lambda Layer example in python

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Lambda Layers was one of the most exciting news out of AWS re:Invent 2018 for me. Using layers it is now possible to move runtime dependencies out of your function code by placing them in...
S3 with default SSE

Create S3 Bucket using Terraform

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Updated on 17th June 2022. Tested build with Terraform version 1.2.3 and the latest AWS Provider v4.19.0. The latest provider has some changes related to adding lifecycle configuration. Background In an earlier post, I provided some...

AWS Lambda Layer for Python package requests

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In my previous post, I made a layer for pymysql to access an RDS from Lambda. In this post, I will show how to make a layer for the Python package requests. This will...

Set Retention for CloudWatch Logs

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Amazon provides us with CloudWatch logs to monitor, store and access log from various AWS services like, EC2 instances, Route 53, RDS, AWS CloudTrail, AWS VPC Flow Logs, Lambda and many others. By default CloudWatch...

Pass db credentials to Lambda using Parameter Store

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If you are connecting to a RDS server from Lambda using native authentication method then you have to store user and password somewhere in the code or pass it as an environment variable to...

Setting DynamoDB TTL with Lambda Python

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Background I use a lot of EC2 Spot instances and for audit/debugging purposes I like to keep track of EC2 instance state changes. I had a need to be able to quickly see when an...

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AWS Launch Templates

Launch Templates is a new capability from AWS that allows one to launch servers for an Auto Scale group, Spot Fleet and the regular...

Build and Push Docker image to Amazon ECR

Background In this post I am going to share a bash script that I use to build a docker container image from a Dockerfile and...

Start EC2 and set DNS in CloudFlare using Lambda

In my previous posts, I showed two ways to set DNS for an EC2 server that does not have an Elastic IP attached to...