Playground

Interactive experiments.

01 — Terminal

click to start gosh · WASM/Go

Click to load the shell (~3MB WASM) →

type help to start

02 — Regex

• /api/v1/users/42/posts
• GET /health HTTP/1.1 200 OK
• 2026-06-24T15:04:05Z ERROR connection refused
• my-deployment-7d9f8c-x4k2m
• v1.24.3+build.2026
• 550e8400-e29b-41d4-a716-446655440000

type a pattern

03 — Stack

Your stack against mine.

type your stack

04 — K8s Manifest Scorer

apiVersion: apps/v1 kind: Deployment metadata: name: api-server namespace: default spec: replicas: 1 selector: matchLabels: app: api-server template: metadata: labels: app: api-server spec: containers: - name: api-server image: nginx:latest ports: - containerPort: 8080 env: - name: DB_PASSWORD value: "hunter2"

• ✗ Image tag pinned Avoid :latest — use a specific version for reproducible deployments. error
• ✗ Resource limits set CPU and memory limits prevent runaway containers. error
• ▲ Resource requests set Requests let the scheduler place pods correctly. warning
• ▲ Liveness probe defined Restarts containers that are stuck or deadlocked. warning
• ▲ Readiness probe defined Prevents traffic reaching the container before it is ready. warning
• ▲ Replicas > 1 A single replica is a single point of failure. warning
• ✗ Non-root user Running as root inside a container is a security risk. error
• ▲ Custom namespace Avoid the default namespace in production workloads. warning
• ✗ No secrets in env vars Use Kubernetes Secrets or an external vault instead. error
• ✓ App label present

10% 1 / 10 checks passed

paste a manifest