Fix database path issue for Docker/HF Spaces - use /tmp for writable directory

Dockerfile

@@ -32,6 +32,8 @@ EXPOSE 7860
 # Set environment variables
 ENV PYTHONUNBUFFERED=1
 ENV PORT=7860
+ENV OMP_NUM_THREADS=1
+ENV MKL_NUM_THREADS=1
 
 # Health check
 HEALTHCHECK --interval=30s --timeout=30s --start-period=120s --retries=3 \

config.py

@@ -17,8 +17,9 @@ class Settings(BaseSettings):
     cache_ttl: int = int(os.getenv("CACHE_TTL", "3600"))
     
     # Database settings
-    db_path: str = os.getenv("DB_PATH", "sessions.db")
-    faiss_index_path: str = os.getenv("FAISS_INDEX_PATH", "embeddings.faiss")
+    # Use /tmp for writable location in Docker containers
+    db_path: str = os.getenv("DB_PATH", "/tmp/sessions.db")
+    faiss_index_path: str = os.getenv("FAISS_INDEX_PATH", "/tmp/embeddings.faiss")
     
     # Session settings
     session_timeout: int = int(os.getenv("SESSION_TIMEOUT", "3600"))

src/context_manager.py

@@ -6,6 +6,8 @@ import uuid
 import hashlib
 import threading
 import time
+import os
+from pathlib import Path
 from contextlib import contextmanager
 from datetime import datetime, timedelta
 from typing import Dict, Optional, List
@@ -49,7 +51,7 @@ class TransactionManager:
                 conn.close()
 
 class EfficientContextManager:
-    def __init__(self, llm_router=None):
+    def __init__(self, llm_router=None, db_path=None):
         self.session_cache = {}  # In-memory for active sessions
         self._session_cache = {}  # Enhanced in-memory cache with timestamps
         self.cache_config = {
@@ -58,7 +60,16 @@ class EfficientContextManager:
             "compression": "gzip",
             "eviction_policy": "LRU"
         }
-        self.db_path = "sessions.db"
+        # Use provided db_path or get from config/env, default to /tmp for Docker
+        if db_path is None:
+            from config import settings
+            db_path = settings.db_path
+        self.db_path = db_path
+        # Ensure directory exists
+        db_dir = os.path.dirname(self.db_path)
+        if db_dir and not os.path.exists(db_dir):
+            os.makedirs(db_dir, exist_ok=True)
+            logger.info(f"Created database directory: {db_dir}")
         self.llm_router = llm_router  # For generating context summaries
         logger.info(f"Initializing ContextManager with DB path: {self.db_path}")
         self.transaction_manager = TransactionManager(self.db_path)