Amend Dockerfile for small test

Dockerfile

@@ -1,6 +1,9 @@
 # Use a newer slim Python image
 FROM docker.io/library/python:3.11-slim
 
+# Use a newer slim Python image
+FROM docker.io/library/python:3.11-slim
+
 # Install system dependencies, including build tools and ffmpeg
 RUN apt-get update && apt-get install -y sox ffmpeg build-essential
 
@@ -26,5 +29,8 @@ COPY --chown=appuser:appuser . .
 # Expose the port the app runs on
 EXPOSE 8000
 
-# Run the application as the non-root user
-CMD ["gunicorn", "--bind", "0.0.0.0:8000", "app:app"]
+# Set the entrypoint for the container
+ENTRYPOINT ["gunicorn"]
+
+# Set the arguments for the entrypoint (this is your CMD)
+CMD ["--bind", "0.0.0.0:8000", "app:app"]