fix: refactor to reduce memory accounting

Signed-off-by: Paul Bastide <pbastide@us.ibm.com>

Author: prb112

cma-keda/hpa-example/Containerfile

@@ -1,15 +1,12 @@
 FROM quay.io/fedora/fedora-minimal:45
 
 # Install only PHP CLI
-RUN microdnf -y install php-cli && \
-    microdnf clean all
-
-# Copy PHP script
-COPY index.php /app/index.php
-WORKDIR /app
-
-# Use PHP built-in web server 
+RUN microdnf install -y python3.13 python-pip && \
+    python3.13 --version
 
+COPY main.py .
+USER 0
+RUN chmod 755 main.py
 EXPOSE 80
 USER 1001
-CMD ["php", "-S", "0.0.0.0:80", "index.php", "2>&1", ">", "/dev/null"]
+CMD ["python3", "main.py"]

cma-keda/hpa-example/main.py

@@ -0,0 +1,22 @@
+from http.server import HTTPServer, BaseHTTPRequestHandler
+import math
+
+class RequestHandler(BaseHTTPRequestHandler):
+    def do_GET(self):
+        # CPU-intensive work
+        x = 0.0
+        for i in range(10000000):
+            x += math.sqrt(i + 1)
+        
+        self.send_response(200)
+        self.send_header('Content-type', 'text/plain')
+        self.end_headers()
+        self.wfile.write(b'OK!')
+    
+    def log_message(self, format, *args):
+        pass  # Suppress logs to reduce memory
+
+if __name__ == '__main__':
+    server = HTTPServer(('0.0.0.0', 80), RequestHandler)
+    print('Server starting on port 80')
+    server.serve_forever()