Kubernetes Manifest Generator
Generate a Deployment and Service manifest pair from a simple form, runs entirely in your browser.
About this tool
Enter an app name, container image, port, replica count, and Service type, and get back a complete Deployment and Service manifest pair, the most common starting point for running something on Kubernetes: a Deployment to keep the desired number of pod replicas running, and a Service to give them a stable network identity.
The app name is validated against the RFC 1123 label rules Kubernetes itself enforces for resource names (lowercase alphanumeric characters and hyphens only), so the generated manifest cannot fail to apply for a naming reason. The Deployment’s pod template labels and the Service’s selector are always kept in sync automatically, since a Service whose selector does not match its Deployment’s pod labels is one of the most common "why is my Service returning nothing" bugs.
Frequently asked questions
- What is the difference between the three Service types?
- ClusterIP (the default) is only reachable from inside the cluster, the right choice for internal services like a database. NodePort exposes the service on a static port on every node’s IP, useful for quick local testing. LoadBalancer asks the cloud provider to provision an external load balancer, the usual choice for a public-facing production service.
- Why does the app name have restrictions?
- Kubernetes resource names must be valid RFC 1123 DNS labels: lowercase letters, numbers, and hyphens only, and they cannot start or end with a hyphen. A name that violates this is rejected by the Kubernetes API at apply time, so it is validated here first with a clear error instead of a cryptic apiserver rejection later.
- Why are the Deployment and Service in one file separated by "---"?
- "---" is the YAML document separator; kubectl apply -f accepts a single file containing multiple documents this way, applying each as its own resource. This is a common convention for keeping a small, related set of resources in one file.
- Is my configuration sent anywhere?
- No. The manifest is assembled entirely in your browser, no network request is made.
Continue learning
- DocumentationGitOps PrinciplesWhy treating Git as the single source of truth for cluster state changes how deployments, rollbacks, and audits actually work.
- BlogKubernetes OOMKilled Troubleshooting GuideA practical Kubernetes OOMKilled troubleshooting guide using kubectl describe, previous logs, events, metrics, requests, limits, QoS, and node memory pressure.
- ToolHelm Chart GeneratorScaffold a minimal Helm chart (Chart.yaml, values.yaml, Deployment, Service) from a simple form, runs entirely in your browser.
- DocumentationKubernetes FundamentalsLearn Kubernetes through Pods, Deployments, Services, probes, resources, rollouts, and an official-docs-based troubleshooting workflow.
- BlogTerraform Troubleshooting Guide: Fix the Errors Engineers Actually HitDiagnose Terraform initialization, validation, provider, authentication, state, drift, import, replacement, timeout, and CI failures with a safe workflow.
- ToolDockerfile GeneratorGenerate a working Dockerfile for Node.js, Python, Go, or a static site, runs entirely in your browser.