Dockerfile.prod

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

FROM python:3.8.11-slim-buster as builder
RUN apt-get update \
  && apt-get -y install gcc postgresql \
  && apt-get clean
WORKDIR /usr/src/app

ENV PYTHONDONTWRITEBYTECODE 1
ENV PYTHONUNBUFFERED 1

RUN pip install --upgrade pip
COPY ./requirements.txt .
RUN pip wheel --no-cache-dir --no-deps --wheel-dir /usr/src/app/wheels -r requirements.txt

COPY . /usr/src/app/

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

FROM python:3.8

RUN mkdir -p /home/app

RUN addgroup --system app && adduser --system --group app

ENV HOME=/home/app
ENV APP_HOME=/home/app/web
RUN mkdir $APP_HOME
WORKDIR $APP_HOME

ENV PYTHONDONTWRITEBYTECODE 1
ENV PYTHONUNBUFFERED 1
ENV ENVIRONMENT prod
ENV TESTING 0

RUN apt-get update \
  && apt-get -y install netcat gcc postgresql \
  && apt-get clean

COPY --from=builder /usr/src/app/wheels /wheels
COPY --from=builder /usr/src/app/requirements.txt .
RUN pip install --upgrade pip
RUN pip install --no-cache /wheels/*
RUN pip install "uvicorn[standard]==0.14.0"

COPY . .

RUN chown -R app:app $HOME

USER app

CMD gunicorn --bind 0.0.0.0:$PORT app.main:app -k uvicorn.workers.UvicornWorker