add docker compose

backend/Dockerfile

@@ -0,0 +1,13 @@
+FROM python:3.12
+
+WORKDIR /code
+
+RUN apt update && apt install -y weasyprint
+
+COPY ./backend/requirements.txt /code/requirements.txt
+
+RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
+
+COPY ./backend /code/app
+
+CMD ["fastapi", "run", "app/src/main.py", "--port", "8000"]