Use uv for faster install

Dockerfile

@@ -5,8 +5,14 @@ ENV PORT=7860
 
 WORKDIR /app
 
+# Install uv
+RUN pip install uv
+
+# Copy requirements
 COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
+
+# Install with uv (faster)
+RUN uv pip install --system -r requirements.txt
 
 EXPOSE 7860