start moving files into src folder and add setup.py

Author: hjwp

Dockerfile

@@ -1,10 +1,15 @@
 FROM python:3.9-slim-buster
 
-COPY requirements.txt /tmp
+# RUN apt install gcc libpq (no longer needed bc we use psycopg2-binary)
+
+COPY requirements.txt /tmp/
 RUN pip install -r /tmp/requirements.txt
 
-RUN mkdir -p /code
-COPY *.py /code/
-WORKDIR /code
-ENV FLASK_APP=entrypoints/flask_app.py FLASK_DEBUG=1 PYTHONUNBUFFERED=1
+RUN mkdir -p /src
+COPY src/ /src/
+RUN pip install -e /src
+COPY tests/ /tests/
+
+WORKDIR /src
+ENV FLASK_APP=allocation/entrypoints/flask_app.py FLASK_DEBUG=1 PYTHONUNBUFFERED=1
 CMD flask run --host=0.0.0.0 --port=80