Update Dockerfile

Dockerfile

@@ -9,9 +9,13 @@ RUN apt-get update && apt-get install -y \
     python3-dev \
     && rm -rf /var/lib/apt/lists/*
 
-# Copy requirements first to leverage Docker cache
+# Copy only requirements first to leverage Docker cache
 COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
+
+# Install Python dependencies with optimizations
+RUN pip install --no-cache-dir pip -U && \
+    pip install --no-cache-dir -r requirements.txt && \
+    pip cache purge
 
 # Copy the rest of the application
 COPY . .