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awesome-kubernetes/v2-docs/openshift.md

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OpenShift Container Platform

!!! info "Architectural Context" Detailed reference for OpenShift Container Platform in the context of The Container Stack.

Table of Contents

  1. Architectural Foundations
  1. CI-CD
  1. Cloud Providers
  1. Databases
  1. Infrastructure
  1. Kubernetes and OpenShift
  1. Orchestration and Packaging
  1. Platform Engineering
  1. Software Engineering

Architectural Foundations

Kubernetes Tools

General Reference

CI-CD

GitLab

OpenShift

  • (2017) Get started with OpenShift Origin 3 and GitLab [YAML CONTENT] [COMMUNITY-TOOL] — Historical tutorial tracking early integration patterns between GitLab CI/CD and OpenShift Origin 3. Demonstrates pipeline orchestration, runner allocation, and deployment tasks. Replaced by GitOps-driven pipelines in contemporary architectures.

Cloud Providers

AWS

Managed Services

  • (2020) openshift.com: Introducing Red Hat OpenShift Service on AWS [NONE CONTENT] [ADVANCED LEVEL] [COMMUNITY-TOOL] — Seminal release article introducing ROSA (Red Hat OpenShift Service on AWS). Features direct API integration with AWS, fully managed lifecycle operations, unified billing, and robust hybrid connectivity.

FinOps

Cost Management

Databases

Relational

MariaDB

  • (2026) github.com/sclorg/mariadb-container ⭐ 32 [SHELL CONTENT] 🌟 [COMMUNITY-TOOL] — The official SCLOrg MariaDB container image optimized specifically for Kubernetes platforms. Includes integrated security scripts, support for arbitrary non-root UID execution, and custom database initialization configurations.

Infrastructure

Artifact Repositories

Sonatype Nexus

  • (2026) hub.docker.com/r/sonatype/nexus3/ [NONE CONTENT] [COMMUNITY-TOOL] — Official Docker repository containing Sonatype Nexus Repository Manager 3. Essential for hosting private software artifacts, dependency proxy caches (npm, NuGet, Maven), and localized container registries in enterprise platforms.

Container Registries

Community

  • (2026) DockerHub OpenShift [NONE CONTENT] [COMMUNITY-TOOL] — Public Docker Hub repository hosting community-built images for OpenShift. While still containing useful base reference tools, current 2026 best practices dictate migrating critical dependencies to secure, enterprise-scanned registries.

Red Hat

Enterprise Applications

Self-Hosting

  • (2021) Atlassian Confluence6 [DOCKERFILE CONTENT] [LEGACY] — Open-source Dockerization template and configuration manifest designed for self-hosting Atlassian Confluence 6.x within containerized environments. Relies on legacy baseline system configurations, serving as an interesting historical pattern for monolithic application containerization before Helm charts and operators became standard.

Public Cloud

AWS Provisioning

  • (2026) ==AWS Account Set Up 🌟== ⭐ 1550 [MARKDOWN CONTENT] [ADVANCED LEVEL] [DOCUMENTATION] 🌟🌟🌟🌟🌟 [DE FACTO STANDARD] — This repository guide outlines the specific IAM policies, resource quotas, Route53 configurations, and networking permissions required to install OpenShift on AWS using the native installer-provisioned infrastructure (IPI). It is a vital technical reference for cloud infrastructure engineers.

Kubernetes and OpenShift

Networking

Debugging

  • (2019) Using sidecars to analyze and debug network traffic in OpenShift and Kubernetes pods [BASH/YAML CONTENT] [ADVANCED LEVEL] [COMMUNITY-TOOL] — This architectural guide demonstrates how to deploy sidecar containers utilizing tcpdump and Wireshark inside a pod's network namespace. Curator Insight highlights this as a primary debugging mechanism, while Live Grounding validates that injecting ephemeral debug containers via native Kubernetes primitives has become the 2026 standard, drastically reducing runtime overhead.

IPAM

  • (2022) Fully Automated Management of Egress IPs with the egressip-ipam-operator 🌟 [GO CONTENT] [ADVANCED LEVEL] [COMMUNITY-TOOL] — Details the egressip-ipam-operator, which automates and orchestrates the allocation of static Egress IPs for outbound Kubernetes traffic. Double-evidence synthesis shows this is critical for integrating cloud-native workloads with enterprise firewalls that require predictable IP whitelists.

Multi-Cluster

  • (2020) developers.redhat.com: Skupper.io: Let your services communicate across Kubernetes clusters [GO CONTENT] [ADVANCED LEVEL] [COMMUNITY-TOOL] — Skupper.io enables cross-cluster microservice communications through an application-level Virtual Application Network (VAN). Contrasting original claims of simple setups, live engineering consensus in 2026 demonstrates Skupper's high architectural value in enterprise hybrid clouds, routing traffic via AMQP without complex VPNs or firewall modifications.

Performance

  • (2020) blog.openshift.com: Troubleshooting OpenShift network performance with a netperf DaemonSet [YAML CONTENT] [ADVANCED LEVEL] [COMMUNITY-TOOL] — This resource outlines how to run a netperf DaemonSet on Red Hat OpenShift to measure network throughput and latency boundaries between nodes. Double-evidence synthesis highlights its long-term diagnostic utility, though 2026 platforms favor automated eBPF-based instrumentation (like Cilium) for real-time latency mapping.

Platform Engineering

Installation

  • (2021) blog.openshift.com: Advanced Network customizations for OpenShift Install [YAML CONTENT] [ADVANCED LEVEL] [COMMUNITY-TOOL] — A deep-dive engineering blueprint outlining custom network CIDR sizing, MTU size tuning, and DNS overrides during OpenShift core installations. Essential for platform architects designing multi-tenant clusters within stringent corporate networks.

Resources

Awesome Lists

  • (2020) Awesome Openshift 2 ⭐ 27 [MARKDOWN CONTENT] 🌟 [COMMUNITY-TOOL] — A curated directory cataloging administration guides, tools, operators, and integration scripts specialized for Red Hat OpenShift 3.x cluster topologies.

Security

Ingress

Network Policies

  • (2020) GitHub: redhat-cop OpenShift Toolkit Network Policy 🌟 ⭐ 236 [YAML CONTENT] [ADVANCED LEVEL] 🌟🌟🌟 [COMMUNITY-TOOL] — Developed by the Red Hat Community of Practice, this repository provides highly standardized, reusable NetworkPolicy templates. While early implementations relied on basic IP blocks, live engineering practices in 2026 demand these profiles for enforcing zero-trust namespaces.

Orchestration and Packaging

Networking (1)

Egress Firewalls

  • (2024) Accessing External Services Using Egress Router [ADVANCED LEVEL] 🌟🌟🌟🌟 [ENTERPRISE-STABLE] [LEGACY] — Deep-dive into configuring Red Hat OpenShift Egress Router pods to map outbound traffic to dedicated public IPs. This facilitates firewalled external resources (like legacy DBs) to authorize connections from fluid Kubernetes pods securely.

Platform Engineering (1)

Architectural Insights

Personal Blog

  • (2020) schabell.org: Cloud-native development - A blueprint 🌟 🌟🌟🌟 [COMMUNITY-TOOL] — Architectural blueprints and patterns focusing on constructing container-native applications using modern microservices and API gateways. Written by a Red Hat technology evangelist. Extremely useful for understanding how early microservices evolved to cloud-native setups in 2026.

Red Hat Ecosystem

  • (2026) ==Red Hat's approach to Kubernetes 🌟== 🌟🌟🌟🌟🌟 [DE FACTO STANDARD] — Strategic whitepaper framing Red Hat's platform-centric philosophy towards Kubernetes, prioritizing automated host systems (RHCOS) and lifecycle operations via custom operators. Offers deep architectural reasoning for selecting unified platforms over highly fragmented DIY setups. Essential reading for system architects.
  • (2025) gitlab.com: Portfolio Architecture Examples [YAML CONTENT] [ADVANCED LEVEL] 🌟🌟🌟🌟 [ENTERPRISE-STABLE] — Code repository hosting deployment configurations, GitOps profiles, and infrastructure-as-code scripts matching Red Hat's standardized portfolio architectures. Ideal for platform administrators looking to stand up robust multi-cloud environments rapidly.

Community and Collaboration

Media and Streaming

  • (2026) OpenShift.tv 🌟🌟🌟🌟 [ENTERPRISE-STABLE] — Curated video stream ecosystem featuring deep-dives, live installations, and architectural Q&As hosted by Red Hat engineers. It acts as a visual guide for engineers tackling complex network topologies, operator lifecycles, and cluster management with ACM (Advanced Cluster Management).
  • (2026) twitch.tv/redhatopenshift 🌟🌟🌟 [COMMUNITY-TOOL] — Interactive Twitch channel showing weekly live engineering sessions, cluster debugging, and community architecture discussions. Allows platform engineers to interact directly with Red Hat designers, offering a unique venue for informal, high-fidelity technical Q&A.

OpenShift Ecosystem

  • (2026) OpenShift Commons 🌟🌟🌟🌟 [ENTERPRISE-STABLE] — OpenShift Commons acts as a central ecosystem accelerator, connecting partners, upstream developers, and enterprise end-users. It hosts targeted working groups on virtualization, AI integrations, and infrastructure automation, ensuring real-world operational feedback loops directly influence product engineering.

Social and Updates

  • (2026) twitter.com/openshift 🌟🌟 [COMMUNITY-TOOL] — Official social feed for Red Hat OpenShift announcements, real-time event updates, and community alerts. While lacking deep structural code, it provides immediate telemetry on the ecosystem's public releases, events, and security bulletins.

Developer Experience

Red Hat Ecosystem (1)

  • (2026) ==developers.redhat.com 🌟== 🌟🌟🌟🌟🌟 [DE FACTO STANDARD] — Red Hat's dedicated developer portal providing comprehensive access to tools, sandboxes, and cloud-native frameworks like Quarkus and Spring on Kubernetes. It bridges the gap between raw cluster endpoints and developer workflows. In 2026, it serves as a cornerstone educational hub for enterprise software engineers.

Kubernetes Distributions

Demos and Workshops

  • (2021) github.com/redhatdemocentral: OpenShift Container Platform Install Demo' 🌟 [SHELL CONTENT] [ADVANCED LEVEL] 🌟🌟🌟 [COMMUNITY-TOOL] — A repository of scripts for quick deployment demonstrations of the OpenShift Container Platform. Useful for sandboxing and architecture demos. However, 2026 production automation pipelines strictly favor the official OpenShift Installer (IPI) commands directly.

Hybrid Cloud

  • (2026) OpenShift blog 🌟 🌟🌟🌟🌟 [ENTERPRISE-STABLE] — Official blog sharing product updates, strategies, and engineering insights on hybrid cloud infrastructures. It details native integrations, security baselines, and virtualization upgrades. Essential reading for platform architects designing multi-cluster, multi-cloud enterprise footprints in 2026.

Legacy Sandboxes

  • (2022) OpenShift Online 🌟🌟 [LEGACY] — Historically the first multi-tenant public cloud developer platform provided by Red Hat. In modern architectures, this service is fully deprecated and replaced by the modern Developer Sandbox and managed public cloud instances. Retained strictly for historical context.

OKD Core Legacy

  • (2018) blog.openshift.com: Installing OKD 3.10 on a Single Host 🌟 [ADVANCED LEVEL] 🌟🌟 [LEGACY] — Archival tutorial explaining the setup of OKD version 3.10 on a single server. Because modern OKD 4 uses Fedora CoreOS (FCOS) and Operator-based installers, the manual playbooks and Docker engine guidelines described in this post are deprecated and of historical interest only.
  • (2018) youtube.com: OpenShift Origin is now OKD. Installation of OKD 3.10 from start to finish [ADVANCED LEVEL] 🌟🌟 [LEGACY] — Archival video guide covering OKD 3.10 deployment and initial cluster operations. Demonstrates legacy host preparation and manual setup steps. Obsolete in 2026, where OKD relies entirely on automated cluster-api bootstrapping via CoreOS.
  • (2018) Install RedHat OKD 3.10 on your development box: [SHELL CONTENT] [ADVANCED LEVEL] 🌟 [COMMUNITY-TOOL] — Community script repository designed to install CentOS-based OKD 3.10 on local workstations. These routines are entirely non-functional for modern platform operations in 2026, where local development is managed via OpenShift Local (CRC) or single-node (SNO) profiles.

vSphere Deployments

  • (2020) youtube: Deploy OpenShift 4 to vSphere using OpenShift's UPI [ADVANCED LEVEL] 🌟🌟🌟 [COMMUNITY-TOOL] — Video guide focusing on User-Provisioned Infrastructure (UPI) installations of OpenShift on VMware vSphere. UPI remains a viable option for heavily restricted networks requiring custom storage/network bindings, although modern Installer-Provisioned Infrastructure (IPI) has become the de-facto standard.
  • (2019) blog.openshift.com: OpenShift 4.2 vSphere Install Quickstart [ADVANCED LEVEL] 🌟🌟 [COMMUNITY-TOOL] — An early quickstart guide detailing the deployment of OpenShift 4.2 on VMware vSphere environments. Although the VMware integration remains a highly active enterprise deployment pattern, the technical versions and procedures listed here have been superseded by advanced, automated CPI/CSI integrations in 2026.
  • (2019) blog.openshift.com: OpenShift 4.2 vsphere install with static IPs 🌟 [ADVANCED LEVEL] 🌟🌟 [LEGACY] — Detailed technical guide for implementing VMware vSphere installations of OpenShift 4.2 utilizing static IP configurations. Because modern OpenShift 4 installers support robust automated network allocation, these legacy manual configuration workflows are obsolete.

Managed Services (1)

ARO Azure

  • (2026) ==ARO== [ADVANCED LEVEL] 🌟🌟🌟🌟🌟 [DE FACTO STANDARD] — Direct landing point for Azure Red Hat OpenShift (ARO). It details co-engineered support networks, integrated billing mechanics, and seamless networking topologies with Azure virtual networks. Highly optimized for fast migration of enterprise Java and .NET workloads in 2026.

ARO GCP

  • (2026) OpenShift on Google Cloud [ADVANCED LEVEL] [DOCUMENTATION] 🌟🌟🌟🌟 [ENTERPRISE-STABLE] — Integration blueprints and managed architecture patterns for deploying Red Hat OpenShift on Google Cloud Platform. Merges Google Cloud's analytics, compute, and AI services with OpenShift's structured runtime platform. Highly relevant for enterprises operating unified hybrid GCP workloads.

IBM Cloud

  • (2026) Red Hat OpenShift on IBM Cloud [ADVANCED LEVEL] 🌟🌟🌟🌟 [ENTERPRISE-STABLE] — Architectural landing page for running Red Hat OpenShift as a managed service on IBM Cloud. Delivers bare-metal cluster deployments and extreme security compliance protocols. Frequently deployed in 2026 for mainframe migrations, WebSphere modernizations, and high-security financial applications.

JBoss and Java EE

  • (2025) docs.microsoft.com: JBoss deployment with Red Hat on Azure 🌟 [ADVANCED LEVEL] [DOCUMENTATION] 🌟🌟🌟🌟 [ENTERPRISE-STABLE] — Vetted deployment patterns for running clustered JBoss Enterprise Application Platform (EAP) workloads directly on Azure Red Hat OpenShift (ARO). Explains state replication, database persistence, and network topology translation. It represents a vital migration playbook for enterprise Java EE workloads moving to cloud-native platforms.

ROSA AWS

  • (2026) ==Amazon Red Hat OpenShift== [ADVANCED LEVEL] 🌟🌟🌟🌟🌟 [DE FACTO STANDARD] — Production landing page for ROSA (Red Hat OpenShift on AWS), a fully-managed, jointly-supported Kubernetes service. Offloads platform installation, control plane management, and upgrade logic to AWS and Red Hat. In 2026, it is a dominant architecture model for enterprises scaling workloads across hybrid AWS environments.

Resources and Ebooks

Core OpenShift

  • (2018) Manning: Openshift in action 🌟🌟🌟 [LEGACY] — Step-by-step Manning publication covering the legacy OpenShift 3 infrastructure model, focusing on Ansible deployments and local Docker engines. Since OpenShift 4 shifted entirely to an Operator-driven CoreOS model, the book is considered deprecated for modern cluster administration, but excellent for conceptual history.

DevOps and CICD

  • (2017) O'Reilly Free Book: DevOps with OpenShift 🌟🌟🌟 [LEGACY] — O'Reilly DevOps manual explaining legacy OpenShift pipeline integrations, build configurations, and container deployment pipelines. While the fundamental team topology and CI/CD concepts are outstanding, its technical recipes have been superseded by modern GitOps (Argo CD) and Tekton pipelines.

Kubernetes Ecosystem

  • (2025) Kubernetes e-Books 🌟🌟🌟🌟 [ENTERPRISE-STABLE] — Vast repository of free high-quality Kubernetes ebooks, configuration sheets, and security manuals curated by the open-source community. Covers container security hardening, network topology routing, and scale limits. Highly recommended for continuous self-guided study.

Operators

Software Engineering

Base Images

Software Collections

  • (2026) github.com/sclorg/ [SHELL CONTENT] [ADVANCED LEVEL] [COMMUNITY-TOOL] — Alternative entry point for the SCLOrg software development group, driving standardization of the Source-to-Image (S2I) build methodology inside Red Hat container engines, abstracting Dockerfile creation for frontend and backend developers.

Collaboration

Rocket.Chat

💡 Explore Related: Kubernetes Storage | Kubernetes Alternatives | Kubernetes Client Libraries

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