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DevOps Demos. Boilerplates/Samples, Tutorials and Screencasts

Nubenetes V2 Elite Portal

You are browsing the AI-Curated V2 Elite Edition. Looking for the exhaustive list of references? Check out the V1 Historical Archive.

Architectural Context

Detailed reference for DevOps Demos. Boilerplates/Samples, Tutorials and Screencasts in the context of Architectural Foundations.

Application Architecture

Event-Driven

GraphQL

  • (2021) hasura.io: A Simple, Realtime, Event Driven Architecture with QR Codes [JAVASCRIPT CONTENT] [COMMUNITY-TOOL] — Demonstrates the construction of a real-time QR generation microservice using Hasura's instant GraphQL engine and PostgreSQL event triggers. Illustrates stateless serverless handlers reacting to database write mutations in real-time.

Application Delivery

Asynchronous Messaging

Red Hat Fuse

CICD Pipelines

Tekton Pipelines

  • (2020) Build a Go application using OpenShift Pipelines [YAML / GO CONTENT] [COMMUNITY-TOOL] — Guides developers through compiling and deploying Go applications on OpenShift Pipelines using Tekton. Outlines how to write Tasks, configure Workspaces, and trigger image builds securely within non-privileged containers.
  • (2020) Set up continuous integration for .NET Core with OpenShift Pipelines [YAML / C# CONTENT] [COMMUNITY-TOOL] — A dedicated implementation guide for configuring CI pipelines for .NET Core projects using OpenShift Pipelines. Explores automated build testing, Nuget dependency resolution, and secure image registration.

Database Schema Management

Liquibase Integration

Deployment Strategies

Canary Deployments

Developer Platforms

App Deployment

  • (2021) shipa.io: Deploying a real-world application on Kubernetes [YAML CONTENT] [COMMUNITY-TOOL] [GUIDE] — Walks through deploying a multi-tier production-grade application on Kubernetes using Shipa framework abstraction policies instead of raw, complex manifests. (Live Grounding: Demonstrates early architectural trends aiming to simplify the developer experience by decoupling container configurations from platform management).

Local Development

  • (2021) shipa.io: Developing and deploying applications to Kubernetes locally with Shipa and Minikube [SHELL CONTENT] [COMMUNITY-TOOL] [GUIDE] — Showcases local application delivery pipelines combining Minikube with Shipa's developer-focused abstractions. Allows engineers to deploy code without writing verbose YAML. (Live Grounding: Important context for 2026 Developer Platforms. Shipa was acquired by Snyk in 2023, shifting its core value towards Snyk AppRisk for secure cloud development).

Enterprise Modernization

Multi-Cluster Strategy

GitOps

Microservices Showcase

Java on Kubernetes

Eclipse JKube Tools

Load Balancing

High Availability

  • (2021) dev.to: Build a highly available Node.js application using Docker, NGINX and AWS ELB [JAVASCRIPT/SHELL CONTENT] [COMMUNITY-TOOL] [GUIDE] — A detailed tutorial on architectural multi-tiering. Focuses on setting up a containerized Node.js application behind an NGINX reverse proxy, balanced globally by an AWS Elastic Load Balancer (ELB) for resilient target routing. (Live Grounding: Focuses on classic VM-to-container cloud architectures, forming a vital cognitive bridge before migrating entirely to Kubernetes Ingress/Gateway APIs).

Application Development

Cloud-Native Java

Advanced Microservices

Spring Boot Microservices

Containerization

Java Spring Boot

  • (2021) javatechonline.com: How To Deploy Spring Boot Application In Docker? [JAVA CONTENT] [COMMUNITY-TOOL] [GUIDE] — An introductory walkthrough detailing how to containerize Java-based enterprise workloads. Focuses on constructing optimized Dockerfiles, multi-stage builds to minimize image footprint, and utilizing spring-boot-maven-plugin or buildpacks to generate production-ready container layers.

Java

Build Automation

Local Development (1)

  • (2020) piotrminkowski.com: Spring Boot on Kubernetes with Buildpacks and Skaffold 🌟 [JAVA CONTENT] [COMMUNITY-TOOL] — High-velocity development workflow blueprint leveraging Cloud Native Buildpacks and Skaffold to accelerate Java Spring Boot coding loops on Kubernetes. Minimizes manual Dockerfile maintenance and streamlines instantaneous hot-reloading code modifications into active development clusters.

Microservices Demo

  • (2020) redhat-actions/spring-petclinic ⭐ 4 [JAVA CONTENT] 🌟🌟🌟🌟 [ENTERPRISE-STABLE] — Red Hat's enterprise fork of the classical Spring Petclinic microservice framework, tailored for deployment patterns on Red Hat OpenShift and vanilla Kubernetes. Showcases optimized Containerfile definitions and integrated automated CI/CD pipelines.

Project Bootstrapping

  • (2026) Spring Initializr 🌟 [JAVA CONTENT] [COMMUNITY-TOOL] — The premier initialization dashboard for the Spring ecosystem. Incorporates direct dependency bindings to native Kubernetes microservices components, generating pre-configured templates with container-ready, cloud-native properties.

Microservices Showcase (1)

Spring Boot

  • (2021) MapIt [JAVA CONTENT] [COMMUNITY-TOOL] — MapIt is an interactive Spring Boot microservice designed to demonstrate cloud-native design principles on OpenShift. Showcases routing, Horizontal Pod Autoscaling (HPA), and config management using platform resources.

NodeJS

Deployment Tooling

Process Automation

RHPAM

Reference Templates

OpenShift 4.8

Serverless Java

Quarkus Integration

gRPC Communication

  • (2023) piotrminkowski.com: Introduction to gRPC with Quarkus [JAVA CONTENT] [COMMUNITY-TOOL] — Explores the integration of low-latency gRPC services inside Quarkus. Demonstrates schema-first API creation via Protocol Buffers, building high-performance non-blocking streaming services, and optimizing binary communication interfaces for modern microservices.

Tutorials

Developer Demos

  • (2023) Red Hat Tutorials & Examples: github.com/redhat-developer-demos 🌟 [JAVA / GO / NODE.JS CONTENT] [COMMUNITY-TOOL] — The main repository for Red Hat Developer developer demos. Offers a variety of quickstarts covering modern Java/Go runtimes, microservices integration, Kubernetes-native deployments, and pipeline automation designs.

Application Modernization

Integration Frameworks

OpenShift and Camel

Spring to Quarkus

Framework Migration

  • (2020) aytartana.wordpress.com: Migrating SpringBoot PetClinic REST to Quarkus [JAVA CONTENT] [COMMUNITY-TOOL] — A detailed migration journal porting the classic Spring Boot PetClinic REST API to Quarkus. Provides valuable benchmarking metrics comparing memory footprints, startup latencies, and implementation adjustments required for compilation to GraalVM native images.

Architecture

Microservices

Demo Systems

  • (2021) hbollon/k8s-voting-app-aws ⭐ 34 [GO CONTENT] 🌟 [COMMUNITY-TOOL] — Reference multi-tier microservice architecture demonstrating AWS integration. Contains a polyglot microservice arrangement with Redis caches, PostgreSQL transactional engines, and reactive frontend layers structured for EKS deployments.

CI-CD

Azure AKS

GitHub Actions

  • (2021) trstringer.com: Deploy to AKS from GitHub Actions 🌟 [YAML CONTENT] [COMMUNITY-TOOL] — A precise deployment guide detailing continuous integration and deployment to AKS from GitHub Actions. Explores how to leverage secure Azure Service Principals and Federated Credentials (OIDC) to safely authenticate and update container workloads.

Java (1)

Automated Workflows

  • (2020) CI/CD for Kubernetes through a Spring Boot example (Banzai Cloud CI/CD) [JAVA CONTENT] [COMMUNITY-TOOL] — Continuous Integration and Deployment guide utilizing Banzai Cloud automation pipelines for Spring Boot applications. Illustrates container building, secure credential handling, configuration injects, and blue-green application promotion tactics on Kubernetes.

CICD

GitOps (1)

GitLab Agent

  • (2022) about.gitlab.com: GitOps with GitLab: Connect with a Kubernetes cluster [YAML CONTENT] [COMMUNITY-TOOL] [GUIDE] — Step-by-step documentation detailing the setup of the GitLab Agent for Kubernetes. Provides secure pull-based GitOps workflows, ensuring real-time configuration sync and immediate cluster telemetry reporting to the GitLab enterprise console.

CICD Infrastructure

Build and Packaging

Custom Packager

  • (2025) Jenkins Custom WAR Packager ⭐ 87 [JAVA CONTENT] [ADVANCED LEVEL] 🌟 [COMMUNITY-TOOL] — Duplicate citation verification for the Custom WAR Packager. Serves as the primary operational tool used to generate custom, pre-hardened enterprise Jenkins distributions tailored with pre-allocated configurations.

CICD Pipelines (1)

Automated Cloud Deployments

AWS ECS Deployments

Cloud Native Architecture

Microservices Migration

Case Study

  • (2023) Salaboy/From Monolith to K8s ⭐ 354 [JAVA CONTENT] [ADVANCED LEVEL] 🌟🌟🌟 [COMMUNITY-TOOL] — A comprehensive practical blueprint mapping out the refactoring of monolithic architectures to Kubernetes-native services. Demonstrates key modernization steps including structural separation of services, data partitioning, and ingress configuration. This project is highly referenceable as a hands-on pedagogical resource for architectural transitions.

Cloud Native Infrastructure

Enterprise Messaging

Kafka on Kubernetes

APIs and Gateways
  • (2020) HTTP-based Kafka messaging with Red Hat AMQ Streams [JAVA CONTENT] [COMMUNITY-TOOL] — This guide covers the deployment and operational use of the Strimzi Kafka Bridge within Red Hat AMQ Streams. It exposes an HTTP-based REST API to Kafka, enabling lightweight web clients and non-native applications to produce and consume messages without importing complex Kafka client SDKs. Highlights include API request schemas, JSON payload configuration, and HTTP/Kafka translation semantics.

Observability and Testing

Pod Mocking

  • (2024) stefanprodan/podinfo ⭐ 5917 [GO CONTENT] 🌟🌟🌟🌟 [ENTERPRISE-STABLE] — A premium go-to microservice web application written in Go, specifically designed to showcase best practices in Kubernetes deployment, health checking, instrumentation (Prometheus/Jaeger), and progressive delivery validation (such as Flagger/Istio canary releases).

Cloud Native Platforms

Red Hat OpenShift

Local Development (2)

CodeReady Containers
  • (2021) Red Hat CodeReady Containers (Minishift equivalent for OpenShift 4.2 or newer) - step-by-step demo guides [SHELL CONTENT] [ADVANCED LEVEL] [COMMUNITY-TOOL] — Curator Insight positions this project as a step-by-step demo guide for Red Hat CodeReady Containers (CRC), representing the modern equivalent of local Minishift. Live Grounding reveals CRC is an essential local development environment simulating multi-node OpenShift setups. The demos illustrate localized microservice deployment and validation before pushing to enterprise stages.

Cloud Platform

Microsoft Azure

Sample Architecture

  • (2026) github.com/Azure-Samples 🌟 [NONE CONTENT] [COMMUNITY-TOOL] — Central directory of Azure engineering samples. Provides production-ready templates, deployment scripts, and reference implementations spanning Serverless, Azure Kubernetes Service, container orchestration, and multi-tenant systems.

Cloud Providers

Google GKE

Application Dev

Cloud-Native Application Development

Go Development

Microservices (1)

  • (2023) github.com/learning-cloud-native-go/myapp: Learning Cloud Native Go -' myapp 🌟 ⭐ 1093 [GO CONTENT] 🌟🌟🌟 [COMMUNITY-TOOL] — A reference Go application engineered specifically to demonstrate cloud-native design principles, featuring integrated telemetry endpoints, structured JSON logging, health probes (/healthz, /ready), and graceful termination handles. (Live Grounding: Serves as a textbook design blueprint for Golang microservices deployed within Kubernetes environments).

Open Source Software

Reference Implementations

  • (2021) todaywasawesome/oss-apps: OSS Applications [YAML/HELM CONTENT] [COMMUNITY-TOOL] — A collection of production-ready, open-source application stack blueprints formatted for modern container and cloud platform environments. (Live Grounding: Serves as a reference baseline for application engineers evaluating functional cloud-native topologies).

Cloud-Native Applications

Java Microservices

Azure Container Apps

  • (2025) docs.microsoft.com: Deploy Spring microservices to Azure [MARKDOWN CONTENT] [ADVANCED LEVEL] [DOCUMENTATION] [COMMUNITY-TOOL] — Architectural reference documentation illustrating Spring microservice deployment strategies on Azure Container Apps (ACA). Compares managed Spring Cloud components with raw container configurations.

Container Images

  • (2021) ref 4 [DOCKERFILE CONTENT] [COMMUNITY-TOOL] — Docker container image representing the Customer Service sub-domain of the decomposed Spring Petclinic microservices suite. Designed for direct cluster deployments to test service-to-service communication.

Kubernetes Deployment

  • (2024) github.com/spring-petclinic/spring-petclinic-kubernetes 🌟 ⭐ 168 [JAVA CONTENT] [ADVANCED LEVEL] 🌟🌟🌟🌟🌟 [DE FACTO STANDARD] — A benchmark microservices architecture implementation demonstrating Spring Cloud and Spring Boot integration on Kubernetes. Demonstrates externalized configuration via Spring Cloud Config, service discovery, API gateway routing, and distributed tracing. Ideal reference for containerizing JVM monoliths.

Spring Cloud

  • (2025) Spring PetClinic Microservices ⭐ 2136 [JAVA CONTENT] 🌟🌟🌟🌟🌟 [DE FACTO STANDARD] — The canonical reference implementation of the Spring PetClinic application decomposed into microservices. It leverages Spring Cloud Eureka, Spring Cloud Gateway, and Spring Cloud Config Server to showcase resilient distributed patterns.
  • (2020) Distributed version of Spring Petclinic built with Spring Cloud 🌟 ⭐ 2 [JAVA CONTENT] 🌟🌟 [COMMUNITY-TOOL] — A community-maintained fork of the distributed Spring PetClinic codebase focusing on alternative Spring Cloud configurations. Provides a lean reference for configuring multi-module Gradle/Maven setups for local microservice debugging.

Cloud-Native Infrastructure

Kubernetes Core

Declarative Templates

  • (2024) Kubernetes Examples ⭐ 1421 [YAML CONTENT] 🌟🌟🌟 [COMMUNITY-TOOL] — A highly utilized, production-tested blueprint repository containing foundational Kubernetes manifests. It spans standard ingress rules, complex stateful configurations, and container startup patterns. (Live Grounding: An essential reference repository for platform engineers bootstrapping cloud topologies with validated standards).

Learning Resources

Kubernetes Courses

  • (2024) wardviaene/kubernetes-course ⭐ 1732 [YAML/GO CONTENT] 🌟🌟🌟🌟 [ENTERPRISE-STABLE] — Accompanying codebase for Ward Viaene's comprehensive Kubernetes course, demonstrating deployments, configurations, microservice communication patterns, and cloud migrations. (Live Grounding: Widely trusted community-backed repository illustrating production-grade YAML configurations).

DevOps

CICD Platforms

Jenkins

Docker Containerization
  • (2018) github.com/arun-gupta/docker-jenkins-pipeline: Docker + Java + Jenkins Pipeline [JAVA CONTENT] [COMMUNITY-TOOL] — Curator Insight structures this repository around running Docker-integrated Java application compilation inside Jenkins Pipelines. Live Grounding shows that mounting the Docker socket inside Jenkins agents remains a common albeit security-sensitive approach. It serves as a historical and practical reference for building containerized Java workloads using declarative pipelines.
Modular Pipeline Library
  • (2021) youtube: Modular Pipeline Library: 4. Petclinic Pipeline 🌟 [N/A CONTENT] [COMMUNITY-TOOL] — Curator Insight highlights this video showcase mapping the Modular Pipeline Library (MPL) against a real-world Petclinic continuous integration execution flow. Live Grounding validates that illustrating modular configuration structures gives developers a tangible example of pipeline inheritance. This pattern minimizes repetitive pipeline coding efforts across diverse teams.
Spring Petclinic Pipeline
  • (2020) deors/deors-demos-petclinic jenkinsfile [GROOVY CONTENT] [COMMUNITY-TOOL] — Curator Insight details a functional Jenkinsfile built specifically to build and compile the Spring Petclinic application. Live Grounding illustrates how multi-stage Docker builds can be integrated cleanly within a declarative Jenkins template to produce production-ready container images. It is a highly practical execution reference.

Cloud Native CICD

Jenkins X

AWS EKS Integration
  • (2021) Modernize Your CI/CD Pipeline Using Jenkins X with Amazon EKS [N/A CONTENT] [ADVANCED LEVEL] [DOCUMENTATION] [COMMUNITY-TOOL] — Curator Insight shares an AWS APN blog focusing on modernizing pipelines using Jenkins X with Amazon EKS. Live Grounding clarifies that Jenkins X differs entirely from classic Jenkins, utilizing Tekton, GitOps, and Kubernetes-native configurations under the hood. It acts as an instructional benchmark for organizations moving toward declarative development environments.

Continuous Delivery

Infrastructure Provisioning

Crossplane Spinnaker Integration
  • (2021) amazon.com: Declarative provisioning of AWS resources with Spinnaker and Crossplane [N/A CONTENT] [ADVANCED LEVEL] [DOCUMENTATION] [COMMUNITY-TOOL] — Curator Insight showcases the declarative provisioning of AWS infrastructure using Spinnaker unified with Crossplane. Live Grounding shows that combining Crossplane's Kubernetes Control Plane model with Spinnaker's application pipelines represents an advanced platform engineering paradigm. This enables application developers to spin up dependencies dynamically without custom script hooks.

Spinnaker Setup

Kubernetes Native Deployment
  • (2019) hackernoon: Using Spinnaker with Kubernetes for CI/CD [N/A CONTENT] [DOCUMENTATION] [COMMUNITY-TOOL] — Curator Insight outlines utilizing Spinnaker's cloud native engine as an external continuous delivery pipeline for Kubernetes applications. Live Grounding validates that separating build execution (CI) from application delivery (CD) using a dedicated tool like Spinnaker prevents pipeline scaling bottlenecks. This pattern decouples deployment safety from runner nodes.

Kubernetes Integration

AWS EKS

Jenkins Pipelines
  • (2021) youtube: How to set up AWS Kubernetes Jenkins pipeline [N/A CONTENT] [ADVANCED LEVEL] [COMMUNITY-TOOL] — Curator Insight presents this video guide as a roadmap to deploying and running Jenkins pipelines on AWS EKS Kubernetes clusters. Live Grounding highlights the use of IAM Roles for Service Accounts (IRSA) to dynamically authorize cloud resource creation directly from Jenkins pods. This pattern avoids insecure long-lived static AWS access credentials.

DevOps and Platform Engineering

Interview Preparation

Reference Guides

  • (2026) bregman-arie/devops-exercises 🌟 ⭐ 82758 [PYTHON/YAML CONTENT] 🌟🌟🌟🌟🌟 [DE FACTO STANDARD] [GUIDE] — A massive curated repository containing thousands of questions, answers, and hands-on exercises covering Linux, Jenkins, Docker, Kubernetes, Ansible, Terraform, AWS, and system design. (Live Grounding: With over 82k stars, it stands in 2026 as the preeminent resource for preparing systems engineers and validating platform architecture skills).

DevSecOps and Automation

End-to-End Pipelines

Multi-Version Deployments

Jenkins-based CI-CD

AWS and Jenkins

Jenkins Architecture

DevSecOps and IDEs

Google Cloud Code

Developer Experience

  • (2024) github.com/GoogleCloudPlatform/cloud-code-samples 🌟 ⭐ 437 [GO CONTENT] 🌟🌟🌟🌟🌟 [DE FACTO STANDARD] — Curated templates and setup workflows targeting GCP's Cloud Code extension. Helps developers structure containerized services locally before auto-deploying to Google Kubernetes Engine (GKE).

Quality Assurance

Azure Cloud Testing

  • (2024) github.com/microsoft: Contoso Traders - Cloud testing tools demo app ⭐ 168 [TYPESCRIPT CONTENT] [ADVANCED LEVEL] 🌟🌟🌟🌟🌟 [DE FACTO STANDARD] — A comprehensive, multi-platform microservices demonstration application showcasing Azure cloud testing solutions. Features Playwright end-to-end tests, load testing scenarios, and automated regression validations.

Developer Experience (1)

Inner Loop Development

Local Tooling

  • (2023) Azure/Draft 🌟 ⭐ 642 [GO CONTENT] 🌟🌟🌟🌟🌟 [DE FACTO STANDARD] — Azure Draft simplifies early-stage developer onboarding onto Kubernetes. By scanning source code directories, it automatically generates containerization assets including Dockerfiles, Kubernetes manifests, Helm charts, and deployment workflows.

Enterprise Architecture

Business Process Management

RHPAM (1)

  • (2020) gitlab.com: Red Hat Process Automation Manager - Signal Marketing Demo [JAVA CONTENT] [ADVANCED LEVEL] [COMMUNITY-TOOL] — A demonstration application built on Red Hat Process Automation Manager (RHPAM) modeling signal marketing workflows. Integrates Complex Event Processing (CEP) engine features, showcasing declarative state orchestration within microservice platforms.

Event-Driven Architectures

Cloud-Native Java (1)

Kafka with Spring Boot

Go and CQRS

gRPC Microservices

Observability and Diagnostics

Kafka at Scale

  • (2022) codeopinion.com: Troubleshooting Kafka with 2000 Microservices [N/A CONTENT] [ADVANCED LEVEL] [COMMUNITY-TOOL] — A heavy-duty post-mortem and diagnostics reference analyzing event-driven topologies operating thousands of microservices. Addresses cluster starvation, schema registration bottlenecks, consumer lag detection, and the architectural overhead of massive multi-tenancy.

Realtime Streams

FastAPI and Ably

Serverless Java (1)

Quarkus with Kafka

  • (2021) piomin/sample-quarkus-serverless-kafka [JAVA CONTENT] [ADVANCED LEVEL] [COMMUNITY-TOOL] — A reference implementation of reactive serverless pipelines using Quarkus, Knative, and Apache Kafka. Illustrates sub-second cold starts, reactive stream processing (using SmallRye Reactive Messaging), and optimized containerization tailored for Kubernetes native eventing.

GitOps (2)

Continuous Deployment

Flux v2

  • (2023) flux2-kustomize-helm-example 🌟 ⭐ 1268 [YAML CONTENT] 🌟🌟🌟 [COMMUNITY-TOOL] — The canonical Flux v2 reference architecture. Provides production-tested blueprints for structuring multi-environment repositories, configuring Kustomize hierarchies, packaging Helm releases, and enforcing namespace isolation patterns.

GitOps and Declarative Git

Developer Platforms (1)

GitHub Actions (1)

  • (2021) shipa.io: GitOps in Kubernetes, the easy way–with GitHub Actions and Shipa [YAML CONTENT] [ADVANCED LEVEL] [COMMUNITY-TOOL] [GUIDE] — Explores combining the ease of GitHub Actions workflows with Shipa's application management plane to implement secure GitOps pipelines. (Live Grounding: Proves early efforts in platform engineering to bridge continuous integration directly into abstract application runtimes).

GitOps Tools

Flux and Helm

Infrastructure and Operations

Observability and Service Mesh

OpenShift ServiceMesh

  • (2021) Monitoring Services like an SRE in OpenShift ServiceMesh [YAML CONTENT] [ADVANCED LEVEL] [COMMUNITY-TOOL] — Unpacks Site Reliability Engineering (SRE) monitoring patterns using OpenShift Service Mesh. Synthesizes Istio, Kiali, and Prometheus telemetry to isolate performance bottlenecks and measure Golden Signals.

Infrastructure and Platform

Autoscaling

Event-Driven Scaling

  • (2021) tomd.xyz: Event-driven integration on Kubernetes with Camel & KEDA 🌟 [JAVA CONTENT] [ADVANCED LEVEL] [COMMUNITY-TOOL] — Demonstrates how to run Apache Camel integration microservices on Kubernetes, leveraging KEDA to dynamically scale Camel routes based on incoming message rates. Synthesizes enterprise integration patterns (EIP) with modern cloud-native autoscaling.

Infrastructure as Code

Serverless Deployment

Terraform and AWS Lambda

Infrastructure as Code and CI-CD

Developer Platforms (2)

CI-CD Pipelines

  • (2021) shipa.io: A Developer focused CI/CD pipeline for Kubernetes [YAML CONTENT] [ADVANCED LEVEL] [COMMUNITY-TOOL] — Outlines designing application-centric CI/CD pipelines that leverage developer platform layers to remove raw Kubernetes configuration friction. (Live Grounding: Highlights the evolving landscape of platform engineering where developers focus on code deliverables while security/infrastructure is handled declaratively by platforms).

Java Cloud Native

Spring Cloud (1)

Kubernetes Integration (1)

  • (2026) github: Spring Cloud Kubernetes 🌟 ⭐ 3534 [JAVA CONTENT] [ADVANCED LEVEL] 🌟🌟🌟🌟🌟 [DE FACTO STANDARD] — A specialized integration library that allows Spring Cloud applications to run transparently on Kubernetes. It maps Kubernetes ConfigMaps and Secrets to Spring's Environment, and translates discovery mechanisms to native Kubernetes endpoints. It bridges the gap between Cloud Native infrastructure patterns and Java application logic.

Local Development (3)

Red Hat OpenShift Local

Process Automation (1)

Networking

Security

Recipes

  • (2021) ahmetb/kubernetes-network-policy-recipes 🌟 ⭐ 6144 [YAML CONTENT] 🌟🌟🌟🌟🌟 [DE FACTO STANDARD] — The premier open-source repository for reusable NetworkPolicy templates. Provides validated configuration files to handle common cloud-native security patterns.

Observability

Microservices Telemetry

Grafana Stack

  • (2022) grafana.com: How Istio, Tempo, and Loki speed up debugging for microservices [N/A CONTENT] [ADVANCED LEVEL] [COMMUNITY-TOOL] [GUIDE] — Details how to configure the unified Grafana observability stack (Loki for logs, Tempo for traces, Istio for mesh networking) to accelerate troubleshooting in microservices. Focuses on setting up automatic correlation IDs to jump from logs to tracing traces instantly.

OpenTelemetry

Reliability Engineering

  • (2022) itnext.io: OpenTelemetry — Understanding SLI and SLO with OpenTelemetry Demo [GO CONTENT] [ADVANCED LEVEL] [COMMUNITY-TOOL] — An architectural deep-dive evaluating Service Level Indicators (SLIs) and Service Level Objectives (SLOs) within an active OpenTelemetry distributed microservices demo. Explores Prometheus alerts, collector architecture, and structured telemetry processing.

Orchestration

AKS

Masterclass

  • (2023) github.com/stacksimplify/azure-aks-kubernetes-masterclass 🌟 [HCL CONTENT] 🌟🌟🌟🌟 [ENTERPRISE-STABLE] — A highly comprehensive masterclass repository containing declarative HCL files and manifests to deploy AKS with Azure Disks, Azure Files, Application Gateway ingress, and active Azure AD integration.

Kubernetes

EKS Training

  • (2025) eksworkshop.com [N/A CONTENT] [COMMUNITY-TOOL] [GUIDE] — The canonical AWS EKS workshop framework. Outlines standard cluster orchestration procedures, highlighting network configurations (AWS VPC CNI), identity management (IAM Roles for Service Accounts - IRSA), and modern storage drivers (EBS/EFS CSI).

Platform Engineering

GitOps and CI-CD

AWS and Argo CD

  • (2023) mrcloudbook.com: GitOps: Deploying Tetris on EKS Using ArgoCD [YAML CONTENT] [COMMUNITY-TOOL] — A simplified tutorial mapping out the migration from manual deployments to automated GitOps workflows on AWS EKS using Argo CD. Focuses on setting up repositories, IAM credentials, and declarative reconciliations.

Argo CD and OpenShift Pipelines

  • (2021) piotrminkowski.com: Kubernetes CI/CD with Tekton and ArgoCD 🌟 [JAVA CONTENT] [ADVANCED LEVEL] [COMMUNITY-TOOL] — Guides the reader through building a Kubernetes-native CI/CD pipeline using Tekton for compiling, testing, and containerizing Java applications, combined with Argo CD for declarative GitOps delivery.
  • (2020) developers.redhat.com: From code to production with OpenShift Pipelines and Argo CD [YAML CONTENT] [COMMUNITY-TOOL] — Analyzes the deployment pipeline workflow integrating OpenShift Pipelines (based on Tekton) with Argo CD for declarative GitOps continuous delivery. The architecture promotes safe transitions from code repositories to production clusters via containerized build stages and automated resource reconciliation.

Multi-Cluster GitOps

Serverless Workflows

GitOps and Deployment

Flux Ecosystem

Machine Learning Operations

OpenShift AI

  • (2023) OpenShift AI Examples ⭐ 25 [PYTHON CONTENT] [ADVANCED LEVEL] 🌟🌟🌟🌟🌟 [DE FACTO STANDARD] — A community collection of machine learning workflows and notebooks deployed on Red Hat OpenShift AI. Details deployment pipelines for distributed training, model serving, and GPU resource slicing.

Quality Assurance (1)

API Testing Automation

Newman Integration

Jenkins Pipelines (1)
  • (2020) LerryAlexander: Postman + Newman API Automated Tests running on a Jenkins' Pipeline 🌟 ⭐ 3 [JAVASCRIPT CONTENT] [COMMUNITY-TOOL] — Curator Insight focuses on running automated Postman test suites through Newman CLI inside a Jenkins Pipeline. Live Grounding confirms this is a standard integration step for end-to-end REST API verification. By surfacing test execution failures in Jenkins console output, teams can safely block regression deployments.

Reference Architectures

Industry Verticals

Healthcare

  • (2022) gitlab.com/redhatdemocentral: Healthcare [ASCIIDOC CONTENT] [ADVANCED LEVEL] [COMMUNITY-TOOL] — A highly specialized reference architecture covering the integration of healthcare workflows, real-time messaging, and patient record databases on OpenShift. Explains how to reconcile strict data compliance directives (HL7/FHIR) with highly-scalable container orchestrations.

Security (1)

Vulnerabilities

Hacking Labs

  • (2024) The Kubernetes Goat ⭐ 5674 [GO CONTENT] [ADVANCED LEVEL] 🌟🌟🌟🌟 [ENTERPRISE-STABLE] — The premier interactive security training platform containing an intentionally vulnerable Kubernetes cluster. Designed as an educational sandbox to demonstrate real-world cluster vulnerabilities, RBAC privilege escalations, metadata exposure, and container breakout exploits.

Serverless and Knative

Serverless Frameworks

Knative Serving

Knative Tutorial

  • (2023) knative-tutorial ⭐ 291 [JAVA / YAML CONTENT] 🌟🌟🌟🌟🌟 [DE FACTO STANDARD] — A comprehensive repository tutorial focused on Knative. Delivers detailed, practical instructions for implementing Knative Serving, traffic splitting, event brokers, and scale-to-zero configurations.

Serverless Java (2)

Knative Service

  • (2021) piotrminkowski.com: Serverless Java Functions on OpenShift [JAVA CONTENT] [ADVANCED LEVEL] [COMMUNITY-TOOL] — Focuses on optimizing Java applications for serverless execution using Knative on OpenShift. Explores Spring Boot and Quarkus execution patterns, emphasizing scale-to-zero capabilities and JVM resource management.

Service Mesh

Consul

Local Development (4)

  • (2021) learn.hashicorp.com: Consul Service Discovery and Mesh on Minikube 🌟 [HCL CONTENT] [COMMUNITY-TOOL] — A practical HashiCorp tutorial teaching how to bootstrap and configure Consul Service Mesh inside Minikube. Details transparent proxy routing, catalog synchronization rules, and enforcing secure service-to-service cryptographic identities.

GitOps (3)

Progressive Delivery

Software Development

Microservices (2)

Reference Architecture

Spring Petclinic
  • (2022) spring-petclinic.github.io [N/A CONTENT] [DOCUMENTATION] [COMMUNITY-TOOL] — Curator Insight highlights the official Spring Petclinic documentation as the premier reference application for modern Java software architectures. Live Grounding confirms its role as a testing bed for showcasing complex microservice interactions, database bindings, and telemetry configuration patterns.
Spring Petclinic Red Hat
  • (2020) github.com/redhat-developer-demos/spring-petclinic 🌟 [JAVA CONTENT] [COMMUNITY-TOOL] — Curator Insight maps out Red Hat's customized developer demo fork of the Spring Petclinic project. Live Grounding indicates this version is heavily optimized for OpenShift deployments, featuring native integration with OpenShift build configs and Kubernetes secrets. It is ideal for illustrating red-hat native cloud development workflows.

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