Update app.py

app.py

@@ -9,6 +9,7 @@ from dotenv import load_dotenv
 import logging
 import re
 from custom_prompt import get_custom_prompt
+import time
 
 # Configure logging
 logging.basicConfig(level=logging.INFO, 
@@ -20,6 +21,9 @@ load_dotenv()
 
 app = Flask(__name__)
 
+# Store app start time for uptime calculation
+app_start_time = time.time()
+
 # Initialize the environment - Check multiple possible env var names
 GOOGLE_API_KEY = (os.getenv("GOOGLE_API_KEY") or 
                   os.getenv("GEMINI_API_KEY") or 
@@ -115,7 +119,7 @@ def format_links_as_html(text):
         return text
     
     # Regular URL pattern
-    url_pattern = r'(https?://[^\s\]]+)'
+    url_pattern = r'(https?://[^\s\])+)'
     
     # Find all URLs in the text
     urls = re.findall(url_pattern, text)
@@ -170,11 +174,83 @@ def format_markdown_with_breaks(text):
 def home():
     return render_template('index.html')
 
+@app.route('/health')
+def health():
+    """Standard health check endpoint for uptime monitoring"""
+    try:
+        current_time = time.time()
+        uptime_seconds = current_time - app_start_time
+        uptime_hours = uptime_seconds / 3600
+        
+        # Check if critical components are available
+        health_status = {
+            "status": "healthy",
+            "timestamp": time.strftime("%Y-%m-%d %H:%M:%S UTC", time.gmtime()),
+            "uptime_seconds": round(uptime_seconds, 2),
+            "uptime_hours": round(uptime_hours, 2),
+            "api_key_configured": bool(GOOGLE_API_KEY and GOOGLE_API_KEY != "your_api_key_here"),
+            "chatbot_initialized": qa_chain is not None
+        }
+        
+        # Return 200 status for healthy
+        return jsonify(health_status), 200
+        
+    except Exception as e:
+        logger.error(f"Health check failed: {str(e)}")
+        return jsonify({
+            "status": "unhealthy",
+            "error": str(e),
+            "timestamp": time.strftime("%Y-%m-%d %H:%M:%S UTC", time.gmtime())
+        }), 500
+
 @app.route('/_health')
 def health_check():
-    """Health check endpoint for Docker"""
+    """Legacy health check endpoint for Docker (keeping for compatibility)"""
     return jsonify({"status": "healthy"}), 200
 
+@app.route('/ping')
+def ping():
+    """Simple ping endpoint for basic uptime checks"""
+    return "pong", 200
+
+@app.route('/status')
+def status():
+    """Detailed status endpoint"""
+    try:
+        current_time = time.time()
+        uptime_seconds = current_time - app_start_time
+        
+        status_info = {
+            "application": "Flask Chatbot",
+            "status": "running",
+            "timestamp": time.strftime("%Y-%m-%d %H:%M:%S UTC", time.gmtime()),
+            "uptime": {
+                "seconds": round(uptime_seconds, 2),
+                "minutes": round(uptime_seconds / 60, 2),
+                "hours": round(uptime_seconds / 3600, 2),
+                "days": round(uptime_seconds / 86400, 2)
+            },
+            "environment": {
+                "python_version": os.sys.version,
+                "port": os.environ.get('PORT', 7860)
+            },
+            "services": {
+                "api_key_configured": bool(GOOGLE_API_KEY and GOOGLE_API_KEY != "your_api_key_here"),
+                "chatbot_initialized": qa_chain is not None,
+                "memory_initialized": memory is not None
+            }
+        }
+        
+        return jsonify(status_info), 200
+        
+    except Exception as e:
+        logger.error(f"Status check failed: {str(e)}")
+        return jsonify({
+            "status": "error",
+            "error": str(e),
+            "timestamp": time.strftime("%Y-%m-%d %H:%M:%S UTC", time.gmtime())
+        }), 500
+
 @app.route('/api/chat', methods=['POST'])
 def chat():
     global qa_chain