Dockerfile.prod

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

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

# set work directory
WORKDIR /usr/src/app


# set environment variables
ENV PYTHONDONTWRITEBYTECODE 1
ENV PYTHONUNBUFFERED 1

# install psycopg2 dependencies
RUN apk update && apk add python3 python3-dev mariadb-dev build-base && pip3 install mysqlclient

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


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

# pull official base image
FROM python:3.8.3-alpine

# create directory for the app user
RUN mkdir -p /home/app

# create the app user
RUN addgroup -S app && adduser -S app -G app

# create the appropriate directories
ENV HOME=/home/app
ENV APP_HOME=/home/app/web
RUN mkdir $APP_HOME
RUN mkdir $APP_HOME/static
RUN mkdir $APP_HOME/media
WORKDIR $APP_HOME

# install dependencies
RUN apk update && apk add libpq
RUN apk update \
    && apk add --virtual build-deps gcc python3-dev musl-dev \
    && apk add --no-cache mariadb-dev
COPY --from=builder /usr/src/app/wheels /wheels
COPY --from=builder /usr/src/app/requirements.txt .
RUN pip install mysqlclient
RUN pip install --no-cache /wheels/*
RUN apk del build-deps

# copy entrypoint-prod.sh
COPY ./config/docker/entrypoint.prod.sh $APP_HOME

# copy project
COPY . $APP_HOME

# chown all the files to the app user
RUN chown -R app:app $APP_HOME

# change to the app user
USER app