CDK doesn’t offer every type of resource by default. Custom Resources allow us to overcome this limitation. Anything that can be created within a Lambda function, can be deployed as a Custom Resource, with its lifecycle being managed by CDK/CloudFormation. This blog posts explains how to set this up using the example of an user in a SimpleAD.
Articles tagged with "cdk"
Many Lambda functions are written in Python and use the AWS SDK boto3. Initializing your first boto3 client or resource can take a long time after a Lambda cold start. In this article we explore how much exactly and why it’s up to 10x faster on Lambdas with more memory.
Reliable Data Streaming on AWS We should agree that in our digital world streaming and especially data streaming becomes more and more important if it isn’t already. Besides performance/throughput and security for a data streaming system reliability is a major point to be considered.
Serverless - a Use Case for CloudFormation Modules? Let´s agree to “infrastructure as code” is a good thing. The next question is: What framework do you use? To compare the frameworks, we have the tRick-benchmark repository, where we model infrastructure with different frameworks. Here is a walk through how to use CloudFormation Modules. This should help you to compare the different frameworks.
Consistent Style Across Editors Sometimes, common themes occur if working on a project with multiple people and different development environments. One of the unexpected, time-consuming problems is related to editor configurations. But it is pretty easy to unify things, if you know where to look…
Deploy your selfhosted serverless XWiki now! There are many ways to get your own, truly private and selfhosted, wiki in the exciting cloud computing times. SaaS solutions exists and many OpenSource Software can be hosted on virtual machines or even hardware. But what is the best way to deploy such Wiki on your AWS Account? This blog post shows you how to operate a deployment of XWiki without harming any servers.
Stop guessing capacity! - Start calculating. If you migrate an older server to the AWS Cloud using EC2 instances, the prefered way is to start with a good guess and then rightsize with CloudWatch metric data. But sometimes you’ve got no clue, where to start. And: Did you think all AWS vCPUs are created equal? No, not at all. The compute power of different instance types is - yes - different.
When building docker images with the CDK you might notice increasing build times on subsequent invocations of cdk synth. Depending on your setup, there might be a simple solution to that problem - using a .dockerignore file. In this post I’m going to briefly explain how and why that’s useful and may help you.