fix: improve Redis handling for HF Spaces

- Add Redis installation check
- Add local Redis fallback for HF Spaces
- Improve Redis connection handling
- Add data directory for Redis persistence
- Fix Redis connection timeout issues

docker/entrypoint.sh

@@ -37,10 +37,17 @@ check_redis() {
     local max_attempts=30
     local attempt=1
     
+    # Ensure Redis is installed
+    if ! command -v redis-server >/dev/null 2>&1; then
+        echo "Redis server not found, installing..."
+        apt-get update && apt-get install -y redis-server
+    fi
+    
     # For HF Spaces, start local Redis by default
     if [ "${REDIS_TYPE}" = "local" ] || [ "${SPACE_ID}" != "" ]; then
         echo "Starting local Redis server..."
-        redis-server --daemonize yes --port 6379 --requirepass "${REDIS_PASSWORD:-difyai123456}"
+        mkdir -p /data/redis
+        redis-server --daemonize yes --dir /data/redis --port 6379 --requirepass "${REDIS_PASSWORD:-difyai123456}"
         export REDIS_HOST=localhost
         sleep 2
         if redis-cli -h localhost -p 6379 -a "${REDIS_PASSWORD:-difyai123456}" ping > /dev/null 2>&1; then
@@ -62,7 +69,8 @@ check_redis() {
             echo "Falling back to local Redis..."
             export REDIS_TYPE="local"
             export REDIS_HOST=localhost
-            redis-server --daemonize yes --port 6379 --requirepass "${REDIS_PASSWORD:-difyai123456}"
+            mkdir -p /data/redis
+            redis-server --daemonize yes --dir /data/redis --port 6379 --requirepass "${REDIS_PASSWORD:-difyai123456}"
             sleep 2
             if redis-cli -h localhost -p 6379 -a "${REDIS_PASSWORD:-difyai123456}" ping > /dev/null 2>&1; then
                 echo "Local Redis server started successfully"