fix dockerfile and config

Dockerfile

@@ -26,7 +26,7 @@ COPY src /app/src
 RUN useradd -m -u 10001 appuser && chown -R appuser:appuser /app
 USER appuser
 
-EXPOSE 8000
+EXPOSE 7860
 
 # GEMINI_API_KEY must be provided at runtime
-CMD ["sh", "-c", "uvicorn src.app:app --host 0.0.0.0 --port ${PORT}"] 
+CMD ["sh", "-c", "uvicorn src.app:app --host 0.0.0.0 --port ${PORT:-7860}"] 

src/agents/database/client.py

@@ -1,16 +1,28 @@
+import logging
 import clickhouse_connect
 from src.agents.database.config import Config
 
+logger = logging.getLogger(__name__)
+
 _client = None
 
 def _create_client():
-    return clickhouse_connect.get_client(
-        host=Config.CLICKHOUSE_HOST,
-        port=Config.CLICKHOUSE_PORT,
-        username=Config.CLICKHOUSE_USER,
-        password=Config.CLICKHOUSE_PASSWORD,
-        database=Config.CLICKHOUSE_DATABASE
-    )
+    if not Config.CLICKHOUSE_ENABLED:
+        logger.warning("ClickHouse is disabled via config.")
+        return None
+        
+    try:
+        return clickhouse_connect.get_client(
+            host=Config.CLICKHOUSE_HOST,
+            port=Config.CLICKHOUSE_PORT,
+            username=Config.CLICKHOUSE_USER,
+            password=Config.CLICKHOUSE_PASSWORD,
+            database=Config.CLICKHOUSE_DATABASE,
+            connect_timeout=5,
+        )
+    except Exception as e:
+        logger.error(f"Failed to connect to ClickHouse: {e}")
+        return None
 
 def get_client():
     global _client
@@ -19,18 +31,21 @@ def get_client():
     return _client
 
 def try_get_client():
-    try:
-        return get_client()
-    except Exception:
-        return None
+    return get_client()
 
 def is_database_available() -> bool:
     try:
         client = get_client()
-        client.query("SELECT 1")
-        return True
+        if client:
+            client.query("SELECT 1")
+            return True
+        return False
     except Exception:
         return False
 
 def execute_query(query: str):
-    return get_client().query(query)
+    client = get_client()
+    if client:
+        return client.query(query)
+    logger.warning("Attempted to execute query but ClickHouse client is not available.")
+    return None

src/agents/database/config.py

@@ -1,14 +1,16 @@
 import os
 
 class Config:
-    # Use clickhouse+http:// for HTTP interface or clickhouse+native:// for native interface
-    CLICKHOUSE_URI = "clickhouse+http://default:@localhost:8123/default"
+    # ClickHouse Configuration
+    CLICKHOUSE_ENABLED = os.getenv("CLICKHOUSE_ENABLED", "false").lower() == "true"
     
-    CLICKHOUSE_HOST = 'localhost'
-    CLICKHOUSE_PORT = 8123  # HTTP port
-    CLICKHOUSE_USER = 'default'
-    CLICKHOUSE_PASSWORD = ''
-    CLICKHOUSE_DATABASE = 'default'
-    # Alternative native connection (faster, recommended for production)
-    # CLICKHOUSE_URI = "clickhouse+native://default:@localhost:9000/default"
+    CLICKHOUSE_HOST = os.getenv("CLICKHOUSE_HOST", "localhost")
+    CLICKHOUSE_PORT = int(os.getenv("CLICKHOUSE_PORT", "8123"))
+    CLICKHOUSE_USER = os.getenv("CLICKHOUSE_USER", "default")
+    CLICKHOUSE_PASSWORD = os.getenv("CLICKHOUSE_PASSWORD", "")
+    CLICKHOUSE_DATABASE = os.getenv("CLICKHOUSE_DATABASE", "default")
+    
+    # Construct URI for reference if needed
+    CLICKHOUSE_URI = f"clickhouse+http://{CLICKHOUSE_USER}:{CLICKHOUSE_PASSWORD}@{CLICKHOUSE_HOST}:{CLICKHOUSE_PORT}/{CLICKHOUSE_DATABASE}"
+
     GLACIER_API_KEY = os.getenv("GLACIER_API_KEY")