Coding 101

This is how windowing is done on a Kafka stream – basically calculates maximum of some value in the last five minutes and generates a record with it.

This is a sample of an application with kafka streams stateless.

Here is how to implement ControllerAdvice in SpringBoot

This is a rest template example – how to exchange with a REST web service to get a certain type of data back.

Docker Login Many projects keep the docker images on registries hosted by providers like AWS. This article talks about how to login to the registry so that you can pull images either with docker pull command or from within Kubernetes.

This is about how operations are performed using AWS JavaScript libraries to access AWS S3 or similar services.

Packages The following packages are needed; there are currently two versions, if you write new code you should use the second version, as the first one will no longer be supported shortly

This shows how to configure reverse SSH having a linux machine on the cloud, exposing a port on that one that is forwarded on your home machine at a specified port.

This is a sample of how to access the database from spring boot using JPA.