Remove --no-cache-dir option from pip install command in Dockerfile

Dockerfile

@@ -19,7 +19,7 @@ WORKDIR /app
 
 # Copy requirements and install Python dependencies
 COPY requirements.txt .
-RUN uv pip install --no-cache-dir -r requirements.txt
+RUN uv pip install -r requirements.txt
 
 # Copy application files
 COPY serve.py .