Update Dockerfile

Dockerfile

@@ -16,15 +16,15 @@ ENV PYTHONUNBUFFERED=1
 
 WORKDIR /app
 
+# Copy the source code into the container.
+COPY . .
+
 # Download dependencies as a separate step to take advantage of Docker's caching.
 # Leverage a cache mount to /root/.cache/pip to speed up subsequent builds.
 # Leverage a bind mount to requirements.txt to avoid having to copy them into
 # into this layer.
 RUN python -m pip install -r requirements.txt
 
-# Copy the source code into the container.
-COPY . .
-
 VOLUME /app/assets
 
 # Run the application.