Openshift
Explore Openshift articles in Cloud.
OpenShift Cloud Fundamentals
Learn the fundamentals of OpenShift, understand why enterprises use it, how it relates to Docker and Kubernetes, and how Spring Boot applications are deployed on OpenShift.
OpenShift vs Kubernetes
Understand the differences between Kubernetes and OpenShift, their architecture, enterprise features, real-world use cases, and when to choose each platform.
OpenShift Architecture Overview
Learn the high-level architecture of OpenShift, understand how requests flow through the cluster, explore core components, and see how Spring Boot applications are deployed in enterprise environments.
OpenShift Projects and Namespaces
Learn how OpenShift Projects and Kubernetes Namespaces organize applications, isolate resources, and enable secure multi-team deployments with real-world enterprise examples.
OpenShift CLI (oc) Setup & Essential Commands
Learn how to install, configure, and use the OpenShift CLI (oc) with practical examples, developer workflows, and best practices.
OpenShift Developer Console Overview
Learn how to use the OpenShift Developer Console to deploy, manage, monitor, and troubleshoot Spring Boot applications with real-world enterprise examples and architecture diagrams.
Deploy Spring Boot to OpenShift
Learn how to deploy a Spring Boot application to OpenShift step by step using Docker, OpenShift CLI, Developer Console, Deployment, Service, and Route with real-world enterprise examples.
Dockerfile for Spring Boot on OpenShift
Learn how to write production-ready Dockerfiles for Spring Boot applications running on OpenShift. Explore multi-stage builds, image optimization, security best practices, health checks, and enterprise deployment strategies.
OpenShift DeploymentConfig vs Deployment
Learn the differences between DeploymentConfig and Deployment in OpenShift, understand their architecture, deployment strategies, image triggers, and when to use each in enterprise Spring Boot applications.
BuildConfig for Java Applications in OpenShift
Learn how to use OpenShift BuildConfig to build Spring Boot applications directly from Git repositories using Source-to-Image (S2I), Binary Builds, and Build Triggers with enterprise best practices.
Source-to-Image (S2I) for Spring Boot
Learn how Source-to-Image (S2I) builds Spring Boot applications directly from source code in OpenShift. Understand S2I architecture, build lifecycle, builder images, implementation, and enterprise best practices.
OpenShift ImageStreams
Learn how OpenShift ImageStreams manage container images, enable automatic deployments, simplify image versioning, and integrate with BuildConfig for Spring Boot applications.
Rolling Deployment in OpenShift
Learn how Rolling Deployments work in OpenShift, understand deployment strategies, zero-downtime deployments, rollback, Spring Boot implementation, and production best practices.
Blue-Green Deployment in OpenShift
Learn how Blue-Green Deployment works in OpenShift, implement zero-downtime Spring Boot deployments, perform instant rollback, and understand real-world enterprise deployment strategies.
OpenShift Services Explained
Learn everything about OpenShift Services, including ClusterIP, NodePort, LoadBalancer, service discovery, networking, Spring Boot integration, load balancing, and real-world enterprise architectures.
OpenShift Routes Explained
Learn how OpenShift Routes expose Spring Boot applications to external users, understand Route architecture, TLS termination, Route types, and production best practices.
OpenShift Ingress vs Route
Learn the differences between Kubernetes Ingress and OpenShift Route, understand their architectures, routing mechanisms, TLS support, Spring Boot implementation, and enterprise best practices.
Expose Spring Boot API Using OpenShift Route
Learn how to expose a Spring Boot REST API to external users using OpenShift Routes. Understand the complete request flow, Service and Route configuration, TLS, custom domains, and production deployment best practices.
OpenShift TLS and Secure Routes
Learn how TLS works in OpenShift, understand secure Routes, SSL certificates, Edge, Passthrough and Re-encrypt termination, and implement secure Spring Boot APIs with enterprise best practices.
OpenShift Service Discovery for Microservices
Learn how Service Discovery works in OpenShift, understand Kubernetes DNS, internal networking, Spring Boot microservice communication, and enterprise service discovery patterns.
OpenShift ConfigMaps for Spring Boot
Learn how to use ConfigMaps in OpenShift to externalize Spring Boot configuration, inject environment variables, mount configuration files, and manage application settings without rebuilding container images.
OpenShift Secrets for Spring Boot
Learn how to securely manage passwords, API keys, certificates, and sensitive configuration in OpenShift using Secrets. Integrate Secrets with Spring Boot applications using environment variables and mounted files.
OpenShift Environment Variables for Spring Boot
Learn how to configure environment variables in OpenShift for Spring Boot applications. Understand environment variable injection, property precedence, Spring Profiles, ConfigMaps, Secrets, and enterprise configuration best practices.
OpenShift Persistent Volumes (PV) and Persistent Volume Claims (PVC)
Learn how Persistent Volumes and Persistent Volume Claims work in OpenShift. Understand persistent storage architecture, Storage Classes, dynamic provisioning, Spring Boot integration, and enterprise storage best practices.
OpenShift Persistent Volume Claims (PVC) for Java Applications
Learn how Java and Spring Boot applications use Persistent Volume Claims (PVC) in OpenShift for file uploads, reports, logs, and persistent storage. Understand PVC architecture, implementation, and enterprise best practices.
External Database Connection from OpenShift
Learn how Spring Boot applications running on OpenShift securely connect to external databases such as PostgreSQL, Oracle, MySQL, SQL Server, and cloud databases. Understand networking, Secrets, ConfigMaps, connection pooling, and production best practices.
OpenShift RBAC Basics
Learn Role-Based Access Control (RBAC) in OpenShift, understand Users, Groups, Roles, RoleBindings, ClusterRoles, Service Accounts, and implement secure access control for Spring Boot applications.
OpenShift Service Accounts
Learn how Service Accounts work in OpenShift, understand application identity, authentication, API access, RBAC integration, and secure Spring Boot applications using Service Accounts.
OpenShift Security Context Constraints (SCC)
Learn Security Context Constraints (SCC) in OpenShift, understand how SCC secures containers, compare SCC with Kubernetes Pod Security, configure Spring Boot applications, and implement enterprise security best practices.
OpenShift Network Policies
Learn how Network Policies secure communication between Pods in OpenShift. Understand ingress, egress, namespace isolation, Spring Boot microservices, and enterprise zero-trust networking.
Secure Spring Boot Secrets in OpenShift
Learn how to securely manage Spring Boot secrets in OpenShift using Secrets, Service Accounts, RBAC, External Secret Managers, Secret Rotation, and enterprise security best practices.
OpenShift Image Security and Scanning
Learn how to secure container images in OpenShift using image scanning, vulnerability management, trusted registries, image signing, and enterprise DevSecOps best practices.
OpenShift CI/CD with GitHub Actions
Learn how to build a complete CI/CD pipeline for Spring Boot applications using GitHub Actions and OpenShift. Understand automated builds, testing, Docker image creation, image scanning, deployment, and enterprise DevSecOps best practices.
OpenShift CI/CD with Jenkins
Learn how to build an enterprise-grade CI/CD pipeline for Spring Boot applications using Jenkins and OpenShift. Understand automated builds, testing, Docker image creation, image scanning, deployment, rollback, and DevSecOps best practices.
OpenShift Pipelines (Tekton) Overview
Learn OpenShift Pipelines powered by Tekton. Understand Tasks, Pipelines, PipelineRuns, Workspaces, Triggers, Spring Boot CI/CD implementation, and enterprise DevSecOps best practices.
Build and Deploy Spring Boot with Tekton
Learn how to build, test, containerize, and deploy a Spring Boot application using OpenShift Pipelines (Tekton). Understand Tasks, PipelineRuns, Workspaces, Buildah, Trivy, and enterprise CI/CD implementation.
OpenShift GitOps with Argo CD
Learn how to implement GitOps on OpenShift using Argo CD. Understand GitOps architecture, Argo CD Applications, Sync Policies, Automated Deployments, Rollbacks, Multi-Environment Promotion, and enterprise best practices.
Helm Charts for Spring Boot on OpenShift
Learn how to package, configure, and deploy Spring Boot applications using Helm Charts on OpenShift. Understand Helm architecture, charts, templates, values files, releases, upgrades, rollbacks, and enterprise deployment best practices.
OpenShift Logging Overview
Learn how logging works in OpenShift, understand cluster logging architecture, centralized log collection, Spring Boot logging, Fluentd, Vector, Loki, Elasticsearch, Kibana, and enterprise logging best practices.
Spring Boot Logs in OpenShift
Learn how Spring Boot logging works in OpenShift. Understand Logback configuration, stdout logging, JSON logging, correlation IDs, MDC, distributed tracing, centralized logging, and enterprise logging best practices.
OpenShift Monitoring with Prometheus
Learn how monitoring works in OpenShift using Prometheus. Understand Prometheus architecture, Spring Boot Actuator, Micrometer integration, metrics collection, ServiceMonitor, PromQL, AlertManager, and enterprise monitoring best practices.
Spring Boot Metrics on OpenShift
Learn how Spring Boot metrics work on OpenShift using Actuator and Micrometer. Understand JVM metrics, HTTP metrics, custom business metrics, Prometheus integration, ServiceMonitor configuration, and enterprise monitoring best practices.
Distributed Tracing on OpenShift
Learn distributed tracing in OpenShift using Spring Boot, OpenTelemetry, Jaeger, and Tempo. Understand Trace IDs, Span IDs, request flow, context propagation, and enterprise microservices observability.
OpenShift Health Checks: Liveness, Readiness and Startup Probes
Learn how OpenShift monitors Spring Boot applications using Liveness, Readiness, and Startup Probes. Understand probe architecture, Spring Boot Actuator integration, self-healing, zero-downtime deployments, and enterprise best practices.
OpenShift Microservices Architecture
Learn how to design, deploy, and operate Spring Boot microservices on OpenShift. Understand microservice architecture, service communication, API Gateway, service discovery, resilience, scalability, observability, and enterprise best practices.
OpenShift High Availability
Learn how to build highly available Spring Boot applications on OpenShift. Understand High Availability architecture, replica management, self-healing, anti-affinity, multi-zone deployments, rolling updates, Pod Disruption Budgets, and enterprise best practices.
OpenShift Auto Scaling with Horizontal Pod Autoscaler (HPA)
Learn how Horizontal Pod Autoscaler (HPA) automatically scales Spring Boot applications on OpenShift using CPU, memory, and custom metrics. Understand HPA architecture, metrics pipeline, scaling policies, and enterprise best practices.
OpenShift Cost Optimization
Learn how to optimize infrastructure costs for Spring Boot applications running on OpenShift. Understand resource requests and limits, autoscaling, right-sizing, node utilization, storage optimization, monitoring, and enterprise cost optimization strategies.
OpenShift Disaster Recovery
Learn how to design disaster recovery strategies for Spring Boot applications running on OpenShift. Understand backup and restore, multi-cluster architecture, RTO, RPO, etcd backup, persistent volume recovery, and enterprise disaster recovery best practices.
Production Best Practices for Spring Boot on OpenShift
Complete production readiness guide for deploying Spring Boot applications on OpenShift. Learn enterprise architecture, security, scalability, observability, CI/CD, GitOps, disaster recovery, cost optimization, and production deployment checklist.
OpenShift Learning Path
Learn OpenShift step by step with Spring Boot examples, deployment workflows, networking, security, CI/CD, observability, and production architecture.