update dockerfile

Dockerfile

@@ -7,6 +7,10 @@ RUN useradd -m -u 1000 user
 USER user
 ENV PATH="/home/user/.local/bin:$PATH"
 
+# Install system dependencies including Node.js and npm
+RUN apt-get update && apt-get install -y nodejs npm && rm -rf /var/lib/apt/lists/*
+
+# Create app dir
 WORKDIR /app
 
 # Copy backend requirements