testrail_bot/Dockerfile

###########
# BUILDER #
###########

# pull official base image
FROM python:3.8.3-alpine as builder

# set work directory
WORKDIR /tmp


# set environment variables
ENV PYTHONDONTWRITEBYTECODE 1
ENV PYTHONUNBUFFERED 1

# install psycopg2 and uWSGI dependencies
RUN apk update \
    && apk add postgresql-dev gcc python3-dev musl-dev linux-headers

# lint
RUN pip install --upgrade pip
RUN pip install flake8
COPY . .
RUN flake8 --ignore=E501,F401 .

# install dependencies
RUN pip wheel --no-cache-dir --no-deps --wheel-dir /tmp/wheels -r requirements.txt

#########
# FINAL #
#########

FROM python:3.8.3-alpine
ENV PYTHONUNBUFFERED 1
COPY . /testrail_bot/
WORKDIR /testrail_bot

RUN apk update && apk add libpq
COPY --from=builder /tmp/wheels /wheels
COPY --from=builder /tmp/requirements.txt .
RUN pip install --no-cache /wheels/*