Quickly diagnose and fix the botocore.exceptions.noregionerror: you must specify a region error. The fix is you must specify a region. The quickest fix is to open your ~/.aws/config and add region=us-east-1 to the [default] profile. There are more details and several other ways to specify a region at the bottom of this article in the … Read more
If you’ve worked on even one Lambda function then you know that development without local testing can be slow. In this article we will go over using AWS SAM to startup an API on port 3000 with API Gateway and Lambda locally inside of a docker container nested inside another Docker container running AWS SAM … Read more
Cross post from MediumTags: CDK, 3 Musketeers, AWSThis is an example of AWS CDK in a docker container following the 3 Musketeers pattern. GitHub Repo: https://github.com/chrishart0/aws-cdk-typescript-3-musketeers What Is This 3 Musketeers Thing Anyway and Why Would I Want to Do Such a Thing as to Containerize the AWS CDK? Links: There are a host of benefits … Read more
Cross-post from: MediumThis article explains how to locally test, with AWS SAM (Serverless Application Model), a Lambda function + API Gateway created with AWS CDK (Cloud Development Kit). Python AWS CDK and SAM are a match made in heaven, or at least a match made in the cloud. This example uses the AWS CDK in Python. Using … Read more
My team ran into a 494 error earlier this week coming out of CloudFront. The first few files requested from CloudFront would be successful, then we would hit the 494 error and most requests after that, but not all, would fail. The first place we looked was CloudFront logs, but these 494 requests weren’t getting … Read more
Have you encountered an error such as the one below? This is because: A resource created by my-stack-1.py has created an export my-stack-2.py is using this export in one of it’s resources You are attempting to change or remove the resource in my-stack-1.py, altering the export How can this error be worked around? One method … Read more
I struggled for a while today to figure out how to place a lambda function inside of a given SubnetType of a VPC generated in the same CDK stack. To specify subnets for a lambda function it needs a SubnetSelection object passed in. I expected to find a method of ec2.VPC() which would give me … Read more
CloudFormation written in Python? Yes! After using the CDK for a bit, I believe it will be replacing CloudFormation for most AWS IaC in the coming years. The CDK is a layer of abstraction built on top of CloudFormation(CF). It allows you to write a condensed, but more powerful form of CF in one of … Read more
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