Initial commit: lightweight webserver with X-Server-Time header

Dockerfile

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+FROM python:3-alpine
+WORKDIR /app
+COPY server.py .
+EXPOSE 8000
+CMD ["python3", "server.py"]

docker-compose.yml

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+version: "3.9"
+services:
+  webserver:
+    build: .
+    container_name: x-server-time
+    ports:
+      - "8000:8000"
+    restart: unless-stopped

server.py

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+#!/usr/bin/env python3
+from http.server import HTTPServer, BaseHTTPRequestHandler
+from datetime import datetime, timezone
+
+class Handler(BaseHTTPRequestHandler):
+    def do_GET(self):
+        self.send_response(200)
+        self.send_header("Content-type", "text/plain")
+        self.send_header("X-Server-Time", datetime.now(timezone.utc).isoformat())
+        self.end_headers()
+        self.wfile.write(b"OK\n")
+
+    def do_HEAD(self):
+        self.send_response(200)
+        self.send_header("Content-type", "text/plain")
+        self.send_header("X-Server-Time", datetime.now(timezone.utc).isoformat())
+        self.end_headers()
+
+    def log_message(self, format, *args):
+        pass
+
+if __name__ == "__main__":
+    port = 8000
+    server = HTTPServer(("", port), Handler)
+    print(f"Server laeuft auf Port {port}")
+    try:
+        server.serve_forever()
+    except KeyboardInterrupt:
+        pass