apiVersion: apps/v1
kind: Deployment
metadata:
  name: probe-web
  labels:
    app: probe-web
spec:
  replicas: 1
  selector:
    matchLabels:
      app: probe-web
  template:
    metadata:
      labels:
        app: probe-web
    spec:
      containers:
        - name: web
          image: python:3.12-alpine
          ports:
            - name: http
              containerPort: 8080
          command:
            - /bin/sh
            - -c
            - |
              touch /tmp/ready /tmp/live
              python - <<'PY'
              from http.server import BaseHTTPRequestHandler, HTTPServer
              from pathlib import Path

              class Handler(BaseHTTPRequestHandler):
                  def do_GET(self):
                      checks = {"/ready": "/tmp/ready", "/live": "/tmp/live"}
                      if self.path == "/":
                          self.send_response(200)
                          self.end_headers()
                          self.wfile.write(b"app\n")
                          return
                      path = checks.get(self.path)
                      if path and Path(path).exists():
                          self.send_response(200)
                          self.end_headers()
                          self.wfile.write(b"ok\n")
                          return
                      self.send_response(500 if path else 404)
                      self.end_headers()
                      self.wfile.write(b"fail\n")

                  def log_message(self, format, *args):
                      pass

              HTTPServer(("0.0.0.0", 8080), Handler).serve_forever()
              PY
          readinessProbe:
            httpGet:
              path: /ready
              port: http
            periodSeconds: 3
            failureThreshold: 1
          livenessProbe:
            httpGet:
              path: /live
              port: http
            initialDelaySeconds: 6
            periodSeconds: 3
            failureThreshold: 1
---
apiVersion: v1
kind: Service
metadata:
  name: probe-web
spec:
  selector:
    app: probe-web
  ports:
    - name: http
      port: 80
      targetPort: http