Recent Articles on the tecRacer AWS Blog

AWS Certification Challenge - jetzt den CloudPractitioner machen!

Get certified challenge - Ein Meetup der AWS User Group Hannover Wir haben uns entschieden, die User Group in Hannover wieder in deutscher Sprache zu halten. Daher dieser Post auch in Deutsch. The orga team of the AWS User Group Hannover (Malte&Me) decided to get back to german language in the user group, so this post is in german. Einladung Einstieg in die Zertifizierung zum AWS Certified Cloud Practitioner: Wie geht das, Tipps, wie lernt man….

Start Guessing Capacity - Benchmark EC2 Instances

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.

Speed up Docker Image Building with the CDK

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.

Mocking data in Test Kitchen

The more complex your cookbooks, the bigger the need to supply some external information to your test machines. Passing specific attributes, values of databags or secrets for testing become necessary. We will go through these use cases and show how to mock the data in this post.