Update Dockerfile for correct directory structure

docker/entrypoint.sh

@@ -5,8 +5,8 @@ echo "Starting Dify services..."
 
 # Start API server in background
 cd /app/api
-echo "Starting API server on port 5001..."
-gunicorn --bind 0.0.0.0:5001 \
+echo "Starting API server on port 7860..."
+gunicorn --bind 0.0.0.0:7860 \
     --workers 1 \
     --worker-class gevent \
     --timeout 200 \
@@ -16,11 +16,11 @@ gunicorn --bind 0.0.0.0:5001 \
 # Start Next.js web server
 cd /app/web
 echo "Starting Next.js server on port 3000..."
-# Use the standalone server with proper static file handling
-cp -r .next/static .next/standalone/.next/static
-cp -r public .next/standalone/public
+mkdir -p .next/standalone/.next
+cp -r .next/static .next/standalone/.next/
+cp -r public .next/standalone/
 cd .next/standalone
 NODE_ENV=production node server.js &
 
 # Wait for both processes
-wait 
+wait