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Kubernetes pod as a Bastion Host

In Cloud Native apps private networks, databases and services are a reality. An infrastructure can be fully private and only a limited number of entry points can be available. Obviously the more restricted the better. Still there are cases where there has not been any infrastructure setup for the private services and ways to link towards them. however if there ...

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Replacing Docker Desktop with hyperkit + minikube

MacOS is a Unix but it isn’t a Linux so, unfortunately, if/when we need to use linux-y things like docker we need to install a VM just like in the Windows world. That’s of course also true for docker. Like most people I’ve been using Docker Desktop for a lot of years to get my fix for container. It works ...

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Container Orchestration | Definition, Benefits & How It Works

Container Orchestration | Definition, Benefits & How It Works In the 1970’s, the concept of a container-based application emerged to transform the IT world. For the first time, the software was deployed consistently and reliably regardless of the target environment’s changes (private or public cloud, personal computer, etc.). With the development of containers, container orchestration has become a trending topic ...

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Testing using TestContainers

java-interview-questions-answers

Part of our everyday ci/cd tasks involve using containers in order for the tests to take effect.So what if you could control the containers you use through your tests and serve your scenarios better.Also what if you could do this in a more managed way? Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common ...

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Quarkus remote dev in Docker containers (Update)

In an earlier video, I shared how to run the Quarkus remote-dev mode in Docker containers, which is very helpful for local and remote development environments. Since Quarkus version 1.6, however, the way how we execute the remote dev mode has changed. Assuming, we’d like to have the same setup like in the mentioned video. What’s new is that we ...

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Kafka & Zookeeper for Development: Zookeeper Ensemble

java-interview-questions-answers

Previously we spun up Zookeeper and Kafka locally but also through Docker. What comes next is spinning up more than just one Kafka and Zookeeper node and create a 3 node cluster. To achieve this the easy way locally docker-compose will be used. Instead of spinning up various instances on the cloud or running various Java processes and altering configs, ...

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