From 7b94af70555aab814f964a08098d0fb123171f7e Mon Sep 17 00:00:00 2001
From: hc <hc@email.ch>
Date: Fri, 30 May 2025 22:51:55 +0800
Subject: dev_env

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+# Rocky SSH Container
+Rocky Linux development environment with SSH access for Podman and Kubernetes.
+
+## Launcher Commands
+```bash
+# Check image status and show build commands
+python3 launcher.py
+python3 launcher.py run
+python3 launcher.py run -p 2222
+python3 launcher.py list
+python3 launcher.py cleanup
+```
+
+## Kubernetes Commands
+```bash
+kubectl apply -f rocky-ssh-deployment.yaml
+# Check pods with IPs
+kubectl get pods -l app=rocky-dev-deploy -o wide
+# Check services (networking), get deployment is for stateless (not this)
+kubectl get svc rocky-dev-deploy-svc
+# Delete specific pod (auto-recreates)
+kubectl delete pod rocky-dev-deploy-0
+# Scale replicas
+kubectl scale statefulset rocky-dev-deploy --replicas=10
+kubectl delete -f rocky-ssh-deployment.yaml
+```
+
+## Local Registry (for Kubernetes)
+```bash
+# Run a local registry
+podman run -d -p 5000:5000 --name registry registry:2
+# Tag and push to local registry
+podman tag localhost/rocky_dev:latest localhost:5000/rocky_dev:latest
+podman push localhost:5000/rocky_dev:latest --tls-verify=false
+# Update image in rocky-ssh-deployment.yaml to: localhost:5000/rocky_dev:latest
+```
+
+## SSH Access
+```bash
+# Podman (launcher shows connection command)
+ssh root@<host> -p <port>
+# Kubernetes (port forward - localhost only)
+kubectl port-forward <pod-name> 2222:22
+ssh root@localhost -p 2222
+# Kubernetes (port forward - external access)
+kubectl port-forward --address 0.0.0.0 <pod-name> 9999:22
+ssh root@<host> -p 9999
+```
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