Tag: #CloudNativeStarter

No code changes needed to secure your application on Kubernetes

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In that blog post I want to highlight how I did my first configuration of the App Identity and Access Adapter for Istio Mixer in my Cloud Native Starter system on a free IBM Cloud Kubernetes cluster.

In my last blog post I described how I did the installation of the App Identity and Access Adapter.

Once more I want to highlight, that the cool thing from my perspective of App Identity and Access Adapter is “that the adapter can be configured to work with any OIDC compliant identity provider, which enables it to control authentication and authorization policies in all environments including frontend and backend applications. And, it does it all without any change to your code or the need to redeploy your application.”

I did a combination of the steps from the videos inside the IBM Cloud App ID service documentation and of the videos from Anton Aleksandrov. With that in mind I applied needed changes of that configurations in the videos to run it on our Cloud Native Starter setup.

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Install the App Identity and Access Adapter on a free IBM Cloud Kubernetes Cluster

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In that blog post I want to highlight that I started to integrate the open source App Identity and Access Adapter for Istio Mixer into our open source Cloud Native Starter sample that uses the free IBM Cloud Kubernetes cluster setup with a manual Istio installation.

The cool thing from my perspective of the App Identity and Access Adapter is “that the adapter can be configured to work with any OIDC compliant identity provider, which enables it to control authentication and authorization policies in all environments including frontend and backend applications. And, it does it all without any change to your code or the need to redeploy your application.” I had a short problem with the installation you can find on stackoverflow.

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Create one Java Microservice with OpenLiberty and MicroProfile – made for beginners

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Today I created a YouTube video, where I developed one Microservice. The level of content of that video is for beginners. The video was “live” recorded and I made some minimal editing and the video takes 18 min.
The recoding is related to Java Microservices with MicroProfile and OpenLiberty in Visual Studio Code . The source code is available in the open sourced Cloud Native Starter GitHub project.

Check it out:

Maybe you are interested, how did I setup the IDE and the Project? … here are the basics.

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Fast setup of a Java microservice project with MicroProfileStarter

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In this blog post I want to show the easy setup of an own MicroProfile/OpenLiberty project with MicroProfileStarter . From my perspective that is  very useful for new Java developers, who want to build microservices. The prerequisite is, you have installed maven and Java on your local machine.

You can use for more information the MicroProfileStarter it self and the OpenLiberty getting started documentation.

That’s fits perfect to the topic Cloud-Native. Maybe you already know, we (Niklas, Harald and I) working on the open sourced Cloud Native Starter project. That project contains sample code that demonstrates, how to get started with Cloud-Native applications and microservices based architectures. Here we use also MicroProfile/OpenLiberty.

We created a new 60 -90 min hands-on workshop with the focus on Java microservice development with MicroProfile/OpenLiberty and the deployment to Kubernetes on IBM Cloud. This workshop is perfect to get a basic understanding of the Cloud-Native and Java development topics and the combination with MicroProfileStarter is awesome for newer Java Developers.

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Definition of a Dockerfile to use bash scripts on a Windows 10 machine for our Cloud-Native-Starter workshop

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We defined a Dockerfile to create a Docker image for our Cloud-Native-Starter workshop especially for Windows 10 users. The users can now simply create a Docker image on the local Windows 10 machine and then follow the guided steps in the hands-on workshop documentation and use the bash scripts. The reason why we don’t build a Docker image and share the image on Dockerhub is, we want to provide users the freedom of own customizations.

These are some challenges we had during the testing of the Dockerfile definition:

  • File sharing for Docker images on Windows
  • Docker port forwarding
  • Docker in Docker
  • Istio Virtual service configuration
  • Linux tools missing

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Handle mircoservice resiliency with MicroProfile – a short teaser video

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Today I finished the last part of my   “Let’s get started with cloud native Java applications on Kubernetes hands-on workshop”  3-minutes teaser videos series on youtube.

This short 3-minute teaser video is about: Handle mircoservice resiliency with MicroProfile in context of the cloud native starter project and workshop on GitHub project.

Check it out:

You can get more detailed information about the topic: Developing resilient Microservices with Istio and MicroProfile in one of the blog posts of @Niklas.

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Traffic management in Kubernetes with Istio – a short teaser video

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Today it is time for Part 5 of my   “Let’s get started with cloud native Java applications on Kubernetes hands-on workshop”  3-minutes teaser videos series on youtube.

This short 3-minute teaser video is about: Traffic management in Kubernetes with Istio in context of the cloud native starter project and workshop on GitHub project.

Check it out:

You can get more detailed information about the topic: Traffic management in Kubernetes with Istio in one of the blog posts of @Harald.

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Expose and consume a REST API built with MicroProfile – a short teaser video

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Part 4 is ready for my   “Let’s get started with cloud native Java applications on Kubernetes hands-on workshop”  3-minutes teaser videos series on youtube.

This short 3-minute teaser video is about: expose and consume a REST API built with MicroProfile in context of the cloud native starter project and workshop on GitHub project.

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You can get more detailed information about the topic: Invoking REST APIs from Java Microservices in one of the blog posts of @Niklas.

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Deploy a container image to Kubernetes – a short teaser video

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Today I recorded part 3 of my   “Let’s get started with cloud native Java applications on Kubernetes hands-on workshop”  3-minutes teaser videos series on youtube.

This short 3-minute teaser video is about: deploy a container image to Kubernetes in context of the cloud native starter project and workshop on GitHub project.

Check it out:

You can get more detailed information about the topic: deploy a container image to Kubernetes in one of my blog posts.

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How to build a container – a short teaser video

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I recorded a new 3-minute video for my “Let’s get started with cloud native Java applications on Kubernetes hands-on workshop” teaser video series on youtube.

This short 3-minute teaser video is about: how build a container for a miroservice in context of the cloud native starter project and workshop on GitHub.

Check it out:

You can get more detailed information about How to build a container in one of my blog posts.

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