Off the shelf code doesn't serve static files

[jcopps]

Off the shelf code doesn't serve static files
Some changes

in nginx config is missing.

[jasonwhitedev]

I solved this by adding WORKDIR to the web Dockerfile:

FROM python:3.7-slim

RUN python -m pip install --upgrade pip

WORKDIR /usr/src/app

COPY requirements.txt requirements.txt
RUN python -m pip install -r requirements.txt

COPY  . .