add alembic and store metrics at db

Dockerfile

@@ -3,6 +3,9 @@ FROM python:3-alpine
 COPY ./requirements.txt /app/requirements.txt
 RUN pip install -r /app/requirements.txt
 
-COPY ./src /app
+WORKDIR /app
+COPY ./alembic /app/alembic
+COPY ./alembic.ini /app/
+COPY ./src /app/src
 
-ENTRYPOINT fastapi run
+ENTRYPOINT fastapi run src/main.py