Add alembic migrations

backend/Dockerfile

@@ -7,6 +7,8 @@ RUN pip install --no-cache-dir -r requirements.txt
 
 COPY ./app /code/app
 COPY .env /code/.env
+COPY ./alembic.ini /code/alembic.ini
+COPY ./migrations /code/migrations
 
 EXPOSE 8080