# Demos

!!! info "Architectural Context"
    Detailed reference for Demos in the context of Architectural Foundations.

## Application Delivery and GitOps

### Package Management

#### OpenShift Integration

  - **(2021)** [**developers.redhat.com: Deploy Helm charts with Jenkins CI/CD in Red Hat OpenShift 4 🌟**](https://developers.redhat.com/articles/2021/05/24/deploy-helm-charts-jenkins-cicd-red-hat-openshift-4) 🌟🌟🌟🌟 <span class='md-tag md-tag--info'>[ENTERPRISE-STABLE]</span> <span class='md-tag md-tag--secondary'>[GUIDE]</span> — Red Hat developer guide demonstrating automated Helm deployments through Jenkins on OpenShift 4. Covers pipeline definitions, credentials handling, and rollback automations.
## CI-CD Pipelines

### Jenkins Ecosystem

#### Enterprise Architectures

  - **(2020)** [Continuous Delivery with Sonatype Nexus, Jenkins and the Cloudogu Ecosystem](https://platform.cloudogu.com/en/blog/cd-with-nexus-jenkins-ces) 🌟🌟 <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Architectural integration study mapping out Continuous Delivery structures using Nexus Repository, Jenkins pipelines, and Cloudogu software suites for regulated enterprise workloads.
## Continuous Integration

### Jenkins Pipelines

#### Build Automation

##### Multi-JDK Build

  - **(2020)** [Using Jenkins Pipeline parallel stages to build Maven project with different JDKs](https://e.printstacktrace.blog/using-jenkins-pipeline-parallel-stages-to-build-maven-project-with-different-jdks) 🌟🌟🌟 <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Technical guide showing how to parallelize stages in a Jenkins declarative pipeline to build and test Maven applications across multiple isolated JDK versions simultaneously.
#### Containerized Builds

##### SDKMAN

  - **(2020)** [**Using SDKMAN! as a docker image for Jenkins Pipeline - a step by step guide 🌟**](https://e.printstacktrace.blog/using-sdkman-as-a-docker-image-for-jenkins-pipeline-a-step-by-step-guide) 🌟🌟🌟🌟 <span class='md-tag md-tag--info'>[ENTERPRISE-STABLE]</span> — High-density integration guide describing the preparation of a containerized Jenkins CI/CD worker image prepopulated with SDKMAN!, enabling dynamic runtime JDK resolution.
## Data Infrastructure

### Event Streaming

#### Red Hat AMQ Streams

##### Integrations

  - **(2020)** [developers.redhat.com: HTTP-based Kafka messaging with Red Hat AMQ Streams](https://developers.redhat.com/blog/2020/08/04/http-based-kafka-messaging-with-red-hat-amq-streams) 🌟🌟🌟 <span class='md-tag md-tag--info'>[LEGACY]</span> — An architectural guide detailing how to use the HTTP Bridge component inside AMQ Streams. Allows web and legacy application services to publish and consume event data via lightweight REST HTTP requests.
## Infrastructure

### Cluster Provisioning

#### Kubeadm Guides

  - **(2019)** [itnext.io: Kubernetes Journey — Up and running out of the cloud — How to setup the Masters using kubeadm bootstrap](https://itnext.io/kubernetes-journey-up-and-running-out-of-the-cloud-how-to-setup-the-masters-using-kubeadm-9a496a14fbc1) <span class='md-tag md-tag--critical'>[ADVANCED LEVEL]</span>  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — An in-depth guide on deploying an on-premises multi-master Kubernetes control plane using kubeadm and HAProxy for load balancing. Walks through the bootstrap token mechanism and control-plane join procedures. Excellent theoretical coverage of manual multi-master networking.
## Platform Engineering

### Enterprise Linux

#### Training

  - **(2025)** [redhatgov.io](http://redhatgov.io) 🌟🌟 <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Red Hat's dedicated architectural training blueprint designed for secure governmental and enterprise environments. Focuses on orchestrating compliant private clouds and enterprise Linux configurations.
## Red Hat OpenShift

### CI-CD Pipelines (1)

#### Jenkins Ecosystem (1)

  - **(2020)** [developers.redhat.com: An easier way to create custom Jenkins containers](https://developers.redhat.com/blog/2020/06/04/an-easier-way-to-create-custom-jenkins-containers) <span class='md-tag md-tag--warning'>[EN CONTENT]</span>  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Explains streamlined procedures for producing custom, secure Jenkins container images for deployment. Focuses on minimizing layers, loading plug-ins safely during build time, and injecting enterprise parameters within Red Hat architectures.
  - **(2018)** [OpenShift Pipelines with Jenkins Blue Ocean 🌟](https://www.redhat.com/en/blog/openshift-pipelines-jenkins-blue-ocean) <span class='md-tag md-tag--warning'>[EN CONTENT]</span>  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Combines OpenShift Orchestration APIs with Jenkins Blue Ocean to manage continuous delivery pipelines visually. Promotes clear state-tracking, modular pipeline construction, and simplified debugging metrics.
## Security

### Supply Chain

#### Enterprise Platform

  - **(2021)** [tanzu.vmware.com: Log4Shell Vulnerability Spotlights the Importance of Adopting Trusted Open Source Software Providers for the Enterprise](https://www.vmware.com/products/app-platform/tanzu)  <span class='md-tag md-tag--info'>[COMMUNITY-TOOL]</span> — Examines the strategic imperative of establishing trusted open-source workflows inside enterprise build infrastructures. Demonstrates how Tanzu's curated application platform streamlines immediate mitigation tasks at runtime.
## Software Engineering

### Developer Experience

#### JVM Ecosystem

##### Environment Management

  - **(2026)** [==SdkMan==](https://sdkman.io) 🌟🌟🌟🌟🌟 <span class='md-tag md-tag--success'>[DE FACTO STANDARD]</span> — A command-line utility for managing parallel versions of multiple Software Development Kits on most Unix-like systems. Widely used to manage JDKs, Gradle, Maven, and JBang versions in local developer setups and CI agents.

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💡 **Explore Related:** [Mkdocs](./mkdocs.md) | [Cheatsheets](./cheatsheets.md) | [Linux](./linux.md)