Deploying four Spring Boot microservices to OpenShift Developer Sandbox, I hit two silent failures — a ReplicaSet quota exhaustion and a gateway routing to localhost. Here is the full debugging story. If you're deploying microservices on OpenShift's free Developer Sandbox (or any resource-constrained Kubernetes cluster), this post might save you hours of debugging. The Setup I built a production-grade mobile application backed by a microservices architecture — four Spring Boot services deployed to Red Hat OpenShift Developer Sandbox via a fully automated GitHub Actions CI/CD pipeline .…