Fix OpenAPI endpoint path handling for Docker environment

app.py

@@ -217,12 +217,24 @@ def get_openapi():
     """Serve the OpenAPI specification file"""
     try:
         # Read the openapi.json file from the filesystem
-        with open('openapi.json', 'r') as f:
-            import json
+        # Try multiple locations to handle Docker vs local execution
+        import os
+        import json
+        
+        # Check if we're in Docker (working directory is /app)
+        current_dir = os.getcwd()
+        if current_dir == '/app':
+            # In Docker, the file should be in /app
+            file_path = '/app/openapi.json'
+        else:
+            # Local execution
+            file_path = 'openapi.json'
+            
+        with open(file_path, 'r') as f:
             spec = json.load(f)
         return jsonify(spec)
     except Exception as e:
-        return jsonify({"error": "OpenAPI specification not found"}), 404
+        return jsonify({"error": f"OpenAPI specification not found: {str(e)}"}), 404
 
 if __name__ == '__main__':
     # Fix the port issue by using a different port