Kubernetes Deployment File Structure

This structure organizes Kubernetes manifests by component/service, supporting modular and scalable deployments.

.
├── dev-auth/                 # Kubernetes configs for the dev-auth service
│   ├── deployment.yml        # Deployment configuration for dev-auth
│   ├── service.yml           # Service definition for dev-auth
│   └── secret.yml            # Secret(s) used by dev-auth (e.g., DB credentials, JWT keys)
├── dev-take/                 # Kubernetes configs for the dev-take service
│   ├── deployment.yml
│   ├── service.yml
│   └── secret.yml
├── dev-revised/              # Kubernetes configs for the dev-revised service
│   ├── deployment.yml
│   ├── service.yml
│   └── secret.yml
├── postgres/                 # PostgreSQL DB setup for Kubernetes
│   ├── deployment.yml        # StatefulSet or Deployment for PostgreSQL
│   ├── service.yml           # ClusterIP or headless service for PostgreSQL
│   ├── configmap.yml         # Optional: PG config as ConfigMap
│   └── secret.yml            # DB credentials as Kubernetes Secret
├── elastic/                  # Elasticsearch cluster setup
│   ├── deployment.yml
│   ├── service.yml
│   └── configmap.yml         # Optional: JVM or ES settings
├── ingress/                  # Ingress routing configuration
│   └── ingress.yml           # Ingress resource definition (NGINX/Gateway/etc.)
└── README.md                 # Documentation for how to deploy or manage this setup

Kubernetes & Minikube (kubectl) Commands Cheat Sheet

A handy reference for essential Minikube and Kubernetes commands with explanations and examples.

Minikube Commands

Command	Description	Example
`minikube start`	Starts a local Kubernetes cluster.	`minikube start --driver=virtualbox`
`minikube stop`	Stops the Minikube cluster.	`minikube stop`
`minikube delete`	Deletes the Minikube cluster and VM.	`minikube delete`
`minikube status`	Shows the status of the Minikube cluster.	`minikube status`
`minikube dashboard`	Launches the Kubernetes Dashboard in a browser.	`minikube dashboard`
`minikube ip`	Displays Minikube cluster IP address.	`minikube ip`
`minikube ssh`	SSH into the Minikube VM.	`minikube ssh`
`minikube addons list`	Lists all Minikube addons.	`minikube addons list`
`minikube addons enable <addon>`	Enables an addon (e.g., ingress, metrics-server).	`minikube addons enable ingress`
`minikube addons disable <addon>`	Disables a Minikube addon.	`minikube addons disable ingress`
`minikube service <svc> -n <namespace>`	Opens the service in default browser.	`minikube service dev-auth-service`
`minikube service <svc> --url -n <namespace>`	Gets the service's accessible URL.	`minikube service nginx-service --url`
`minikube image load <image>`	Loads a local Docker image into Minikube.	`minikube image load dev-auth:latest`
`minikube mount <local>:<vm>`	Mounts a host dir into Minikube VM.	`minikube mount ./data:/data`
`minikube tunnel`	Creates a tunnel to expose LoadBalancer service.	`minikube tunnel`

Kubernetes (`kubectl`) Commands

View Resources

Command	Description	Example
`kubectl get nodes`	Lists all nodes in the cluster.	`kubectl get nodes`
`kubectl get pods`	Lists all pods in current/default namespace.	`kubectl get pods`
`kubectl get svc`	Lists all services.	`kubectl get svc`
`kubectl get deployments`	Lists all deployments.	`kubectl get deployments`
`kubectl get all`	Lists all resources (pods, svc, deploy, etc).	`kubectl get all`
`kubectl describe <res> <name>`	Describes a resource in detail.	`kubectl describe pod my-pod`
`kubectl get events --sort-by=.metadata.creationTimestamp`	View recent events.	`kubectl get events --sort-by=...`

🔎 Get All Kubernetes Resources (Including Configs and Secrets)

Command	Description	Example
`kubectl get pods`	Lists all Pods.	`kubectl get pods`
`kubectl get svc`	Lists all Services.	`kubectl get svc`
`kubectl get deployments`	Lists all Deployments.	`kubectl get deployments`
`kubectl get rs`	Lists all ReplicaSets.	`kubectl get rs`
`kubectl get cm`	Lists all ConfigMaps.	`kubectl get cm`
`kubectl get secret`	Lists all Secrets.	`kubectl get secret`
`kubectl get pvc`	Lists all Persistent Volume Claims.	`kubectl get pvc`
`kubectl get ingressclass`	Lists all ingress classes (nginx).	`kubectl get ingressclass`
`kubectl get pv`	Lists all Persistent Volumes.	`kubectl get pv`
`kubectl get ingress`	Lists all Ingress resources.	`kubectl get ingress`
`kubectl get job`	Lists all batch Jobs.	`kubectl get job`
`kubectl get cronjob`	Lists all scheduled CronJobs.	`kubectl get cronjob`
`kubectl get sa`	Lists all ServiceAccounts.	`kubectl get sa`
`kubectl get hpa`	Lists all Horizontal Pod Autoscalers.	`kubectl get hpa`
`kubectl get all`	Lists core workloads (pods, svc, deploy, rs).	`kubectl get all`
`kubectl get all,cm,secret,pvc,ingress,job,cronjob`	Lists all key workload and configuration resources.	`kubectl get all,cm,secret,pvc,ingress,job,cronjob`
`kubectl get all,cm,secret,pvc,ingress,job,cronjob -n <namespace>`	Same as above but for a specific namespace.	`kubectl get all,cm,secret,pvc,ingress,job,cronjob -n dev`
`kubectl get all,cm,secret,pvc,ingress,job,cronjob --all-namespaces`	Lists everything across all namespaces.	`kubectl get all,cm,secret,pvc,ingress,job,cronjob --all-namespaces`

Create / Apply / Update Resources

Command	Description	Example
`kubectl apply -f <file>`	Applies a YAML configuration.	`kubectl apply -f deployment.yaml`
`kubectl apply -R -f kubernetes/minikube`	Applies a YAML configuration recursively.	`kubectl apply -f kubernetes/minikube`
`kubectl create -f <file>`	Creates resources defined in YAML.	`kubectl create -f service.yaml`
`kubectl replace -f <file>`	Replaces existing resource with YAML.	`kubectl replace -f configmap.yaml`
`kubectl edit <resource> <name>`	Edit a resource directly in the editor.	`kubectl edit deployment my-deploy`
`kubectl patch <resource> <name>`	Patch fields of a live resource.	`kubectl patch deployment my-deploy -p ...`

Delete Resources

Command	Description	Example
`kubectl delete -f <file>`	Deletes resources defined in a file.	`kubectl delete -f deployment.yaml`
`kubectl delete pod <pod>`	Deletes a specific pod.	`kubectl delete pod my-pod`
`kubectl delete svc <service>`	Deletes a service.	`kubectl delete svc dev-auth-service`
`kubectl delete deployment <name>`	Deletes a deployment.	`kubectl delete deployment dev-auth`
`kubectl delete all --all`	Deletes all resources in current namespace.	`kubectl delete all --all`
`kubectl delete configmap <name>`	Deletes a ConfigMap.	`kubectl delete configmap my-config`
`kubectl delete secret <name>`	Deletes a Secret.	`kubectl delete secret my-secret`

🗑️ Delete All Kubernetes Resources

Command	Description	Example
`kubectl delete all --all`	Deletes all core resources (pods, svc, deploy, rs, etc.)	`kubectl delete all --all`
`kubectl delete cm --all`	Deletes all ConfigMaps in the current namespace	`kubectl delete cm --all`
`kubectl delete secret --all`	Deletes all Secrets in the current namespace	`kubectl delete secret --all`
`kubectl delete pvc --all`	Deletes all Persistent Volume Claims	`kubectl delete pvc --all`
`kubectl delete ingress --all`	Deletes all Ingress resources	`kubectl delete ingress --all`
`kubectl delete job --all`	Deletes all Jobs	`kubectl delete job --all`
`kubectl delete cronjob --all`	Deletes all CronJobs	`kubectl delete cronjob --all`
`kubectl delete hpa --all`	Deletes all Horizontal Pod Autoscalers	`kubectl delete hpa --all`
`kubectl delete sa --all`	Deletes all ServiceAccounts	`kubectl delete sa --all`
`kubectl delete all,cm,secret,pvc,ingress,job,cronjob,hpa,sa --all`	Delete everything in one command	`kubectl delete all,cm,secret,pvc,ingress,job,cronjob,hpa,sa --all`
`kubectl delete ns <namespace>`	Deletes a specific namespace and everything in it	`kubectl delete ns dev`

Logs & Debugging

Command	Description	Example
`kubectl logs <pod>`	View logs from a pod.	`kubectl logs my-pod`
`kubectl logs <pod> -c <container>`	Logs from a specific container in a pod.	`kubectl logs my-pod -c my-container`
`kubectl exec -it <pod> -- <cmd>`	Run command inside pod (interactive).	`kubectl exec -it my-pod -- /bin/sh`
`kubectl cp <pod>:<path> <local>`	Copy files from pod to local system.	`kubectl cp my-pod:/app/logs ./logs`
`kubectl top pod`	Show resource usage (requires metrics).	`kubectl top pod`
`kubectl top node`	Show resource usage per node.	`kubectl top node`

Networking & Port Forwarding

Command	Description	Example
`kubectl port-forward <pod/svc> <local>:<remote>`	Port forward to pod/service.	`kubectl port-forward svc/dev-auth 8080:8080`
`kubectl expose deployment <name> --type=NodePort`	Expose a deployment as a service.	`kubectl expose deployment nginx --port=80 --type=NodePort`
`kubectl get ingress`	Lists all ingress resources.	`kubectl get ingress`
`kubectl describe ingress <name>`	Shows details about an ingress.	`kubectl describe ingress my-ingress`
`kubectl describe ingress <name>`	Shows details about an ingress.	`kubectl describe ingress my-ingress`
`kubectl describe ingress <name>`	Shows details about an ingress.	`kubectl describe ingress my-ingress`
`kubectl describe ingress <name>`	Shows details about an ingress.	`kubectl describe ingress my-ingress`

Command
`kubectl port-forward svc/rabbitmq-service 15672:15672`
`kubectl port-forward svc/nexus-service 8081:8081`
`kubectl port-forward svc/elasticsearch-service 9200:9200`
`kubectl port-forward svc/postgres-service 5432:5432`
`kubectl port-forward svc/redis-service 6379:6379`
`kubectl apply -R -f minikube`
`kubectl delete -R -f minikube`

Config, Context & Namespace

Command	Description	Example
`kubectl config use-context <name>`	Switches current context.	`kubectl config use-context minikube`
`kubectl config get-contexts`	Lists all contexts.	`kubectl config get-contexts`
`kubectl config current-context`	Shows current context.	`kubectl config current-context`
`kubectl get pods -n <namespace>`	Get pods in a specific namespace.	`kubectl get pods -n kube-system`
`kubectl create namespace <name>`	Create a new namespace.	`kubectl create namespace staging`
`kubectl delete namespace <name>`	Delete a namespace.	`kubectl delete namespace staging`
`kubectl config set-context --current --namespace=<ns>`	Set default namespace for current context.	`kubectl config set-context --current --namespace=dev`

Rolling Updates & Scale

Command	Description	Example
`kubectl rollout restart deployment <name>`	Restart the pods in a deployment.	`kubectl rollout restart deployment dev-auth`
`kubectl rollout status deployment <name>`	Watch rollout progress.	`kubectl rollout status deployment dev-auth`
`kubectl scale deployment <name> --replicas=N`	Scale number of pods in a deployment.	`kubectl scale deployment dev-auth --replicas=3`

OpenShift CLI (`oc`) Commands Cheat Sheet

Login, Context, and Projects

Command	Description	Example
`oc login <url> --token=<token>`	Login to OpenShift cluster.	`oc login https://... --token=sha256~...`
`oc whoami`	Print the current authenticated user.
`oc config view`	View current kubeconfig (includes OpenShift).
`oc projects`	List accessible projects.
`oc project <name>`	Switch to a specific project.	`oc project mrsinghvinay563-dev`
`oc new-project <name>`	Create a new OpenShift project.	`oc new-project dev-auth-backend`

Deployments, Builds, Pods

Command	Description	Example
`oc get all`	List all core resources in current project.
`oc get deployment`	List deployments.
`oc rollout status deployment/<name>`	Watch rollout status.	`oc rollout status deployment/dev-auth`
`oc logs <pod>`	View logs of a pod.	`oc logs dev-auth-74cf...`
`oc logs <pod> --previous`	View logs of previous pod.	`oc logs dev-auth-74cf... --previous`
`oc logs -f <pod>`	Stream logs.
`oc get pod`	List all pods.
`oc describe pod <pod>`	Detailed pod info and events.
`oc exec -it <pod> -- <cmd>`	Exec into a pod.	`oc exec -it my-pod -- /bin/bash`
`oc get build`	List builds.	Useful for S2I and Jenkins-based pipelines
`oc start-build <buildconfig>`	Manually trigger a build.

Resources: ConfigMaps, Secrets, PVC, Routes

Command	Description	Example
`oc get configmap`	List ConfigMaps.
`oc describe configmap <name>`	Show ConfigMap details.
`oc get secret`	List Secrets.
`oc get pvc`	List Persistent Volume Claims.
`oc get pv`	List Persistent Volumes.
`oc get route`	List Routes (OpenShift-specific Ingress).
`oc describe route <name>`	Show route details, target svc, TLS config.	`oc describe route dev-auth`
`oc expose svc <svc> --name=<route-name>`	Create a route from a service.	`oc expose svc dev-auth --name=dev-auth-route`

🔍 Labels, Logs, Events

Command	Description	Example
`oc get pods -l app=dev-auth`	Get pods by label.
`oc label pod <pod> key=value`	Add a label to a pod.
`oc annotate pod <pod> key=value`	Add an annotation to a pod.
`oc get events --sort-by=.metadata.creationTimestamp`	Get events ordered by time.
`oc get --raw /metrics`	View Prometheus metrics endpoint (if enabled).

Images, Templates, BuildConfigs (S2I)

Command	Description	Example
`oc new-app <image> --name=<app>`	Create app from image.	`oc new-app quay.io/myimage --name=dev-auth`
`oc new-app . --name=<name>`	Create app using S2I from current dir (Dockerfile).	`oc new-app . --name=my-spring-app`
`oc new-build <image> --binary --name=<build>`	Create binary build (JAR upload).	`oc new-build registry.access.redhat.com/openjdk --binary`
`oc start-build <build> --from-dir=.`	Trigger binary build from local directory.
`oc start-build <build> --from-file=app.jar`	Trigger binary build from JAR file.
`oc get is`	Get image streams.
`oc tag <src>:<tag> <dst>:<tag>`	Tag an image into another stream.	`oc tag myimg:latest myproj/myimg:dev`

Debugging, Troubleshooting, and Rollbacks

Command	Description	Example
`oc debug pod/<name>`	Start ephemeral container for debugging.	`oc debug pod/dev-auth-xyz`
`oc adm top pods`	Show CPU/memory usage (metrics-server).
`oc adm top nodes`	Show node resource usage.
`oc rollout history deployment/<name>`	View rollout history.
`oc rollout undo deployment/<name>`	Rollback deployment.
`oc rsh <pod>`	Remote shell into a pod (alias for `exec`).	`oc rsh dev-auth-xyz`
`oc port-forward svc/<name> <local>:<target>`	Forward service port locally.	`oc port-forward svc/dev-auth 8080:8080`

Access Control (RBAC)

Command	Description	Example
`oc get sa`	List service accounts.
`oc adm policy add-role-to-user <role> <user>`	Assign cluster role to a user.	`oc adm policy add-role-to-user admin vinay`
`oc adm policy add-scc-to-user <scc> -z <sa>`	Grant SCC (security context constraint).	`oc adm policy add-scc-to-user anyuid -z my-sa`
`oc describe scc <scc>`	View SCC definition (privileged, anyuid, etc).

Clean Up and Delete

Command	Description	Example
`oc delete all -l app=<label>`	Delete all resources by label.	`oc delete all -l app=dev-auth`
`oc delete pod <name>`	Delete a specific pod.	`oc delete pod dev-auth-74cf...`
`oc delete route <name>`	Delete a route.	`oc delete route dev-auth-route`
`oc delete project <name>`	Delete a full OpenShift project.	`oc delete project dev-auth`

Tips

To view YAML definition of any object:
```
oc get <resource> <name> -o yaml
```
To watch resource changes:
```
watch oc get pods
```
To get terminal from within a container:
```
oc exec -it <pod> -- /bin/bash
```

YAML Example: Simple Deployment

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deploy
spec:
  replicas: 2
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:latest
        ports:
        - containerPort: 80

minikube tunnel
kubectl port-forward -n ingress-nginx svc/ingress-nginx-controller 8080:80
cloudflared tunnel --url http://localhost:8080 --http-host-header formix.local.org


https://operating-clicks-template-rush.trycloudflare.com/api/v1/namespaces/kubernetes-dashboard/services/http:kubernetes-dashboard:/proxy/#/workloads?namespace=default

kubectl proxy \
  --address=0.0.0.0 \
  --disable-filter=true \
  --accept-hosts='.*' \
  --accept-paths='^.*'

cloudflared tunnel --url http://localhost:8001

cat <<EOF | base64 -w 0
{
  "auths": {
    "registry.local.com": {
      "username": "admin",
      "password": "admin123",
      "auth": "$(echo -n 'admin:admin123' | base64 -w 0)"
    }
  }
}
EOF

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Repository files navigation

Kubernetes Deployment File Structure

Kubernetes & Minikube (kubectl) Commands Cheat Sheet

Minikube Commands

Kubernetes (`kubectl`) Commands

View Resources

🔎 Get All Kubernetes Resources (Including Configs and Secrets)

Create / Apply / Update Resources

Delete Resources

🗑️ Delete All Kubernetes Resources

Logs & Debugging

Networking & Port Forwarding

Config, Context & Namespace

Rolling Updates & Scale

OpenShift CLI (`oc`) Commands Cheat Sheet

Login, Context, and Projects

Deployments, Builds, Pods

Resources: ConfigMaps, Secrets, PVC, Routes

🔍 Labels, Logs, Events

Images, Templates, BuildConfigs (S2I)

Debugging, Troubleshooting, and Rollbacks

Access Control (RBAC)

Clean Up and Delete

Tips

YAML Example: Simple Deployment

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Name		Name	Last commit message	Last commit date
Latest commit History 98 Commits
dev-auth		dev-auth
elasticsearch		elasticsearch
ingress		ingress
minikube/root/resources		minikube/root/resources
namespace		namespace
nginx		nginx
openshift-deploy		openshift-deploy
postgres		postgres
.gitignore		.gitignore
README.md		README.md
delete-deployments.sh		delete-deployments.sh
deploy-all.sh		deploy-all.sh
postgres-db.sh		postgres-db.sh

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Repository files navigation

Kubernetes Deployment File Structure

Kubernetes & Minikube (kubectl) Commands Cheat Sheet

Minikube Commands

Kubernetes (kubectl) Commands

View Resources

🔎 Get All Kubernetes Resources (Including Configs and Secrets)

Create / Apply / Update Resources

Delete Resources

🗑️ Delete All Kubernetes Resources

Logs & Debugging

Networking & Port Forwarding

Config, Context & Namespace

Rolling Updates & Scale

OpenShift CLI (oc) Commands Cheat Sheet

Login, Context, and Projects

Deployments, Builds, Pods

Resources: ConfigMaps, Secrets, PVC, Routes

🔍 Labels, Logs, Events

Images, Templates, BuildConfigs (S2I)

Debugging, Troubleshooting, and Rollbacks

Access Control (RBAC)

Clean Up and Delete

Tips

YAML Example: Simple Deployment

About

Resources

Uh oh!

Stars

Watchers

Forks

Releases

Packages 0

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Contributors

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Kubernetes (`kubectl`) Commands

OpenShift CLI (`oc`) Commands Cheat Sheet

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