Update Dockerfile

Dockerfile

@@ -1,12 +1,15 @@
 FROM python:3.11-slim
 
-# Install dependencies
-RUN pip install -r requirements.txt
-
 # Create app directory
 WORKDIR /app
 
-# Copy everything
+# Copy requirements first so Docker can cache this step
+COPY requirements.txt .
+
+# Install dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of your app
 COPY . .
 
 # Run FastAPI