better Dockerfile.prod

Dockerfile.prod

-###########
-# BUILDER #
-###########
-
-# pull official base image
-FROM python:3.8.1 as builder
-
-# set work directory
-WORKDIR /usr/src/app
+FROM python:3.8.1
 
-# set environment variables
 ENV PYTHONDONTWRITEBYTECODE 1
 ENV PYTHONUNBUFFERED 1
+ENV TZ Europe/Budapest
 
-# install dependencies
-RUN apt-get -y update
-RUN apt-get install -y python python-pip python-dev python-django-extensions postgresql-client netcat
-RUN apt-get -y update && apt-get -y autoremove
-
-# lint
-RUN pip install --upgrade pip
-RUN pip install flake8
-COPY ./src /usr/src/app/
-#RUN flake8 --max-line-length=125 --exclude=kszkepzes,migrations .
-
-# install dependencies
-COPY ./requirements/production.txt /usr/src/app/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:3.8.1
-
-# create directory for the app user
-RUN mkdir -p /home/app
-
-# create the app user
-RUN groupadd app && useradd -g app app
-
-# create the appropriate directories
-ENV HOME=/home/app
-ENV APP_HOME=/home/app/kszkepzes-backend
-RUN mkdir $APP_HOME
-RUN mkdir $APP_HOME/staticfiles
-RUN mkdir $APP_HOME/mediafiles
+ENV HOME /home/app
+ENV APP_HOME /home/app/kszkepzes-backend
+RUN groupadd app && useradd -g app app && \
+mkdir -p /home/app && mkdir $APP_HOME && \
+mkdir $APP_HOME/staticfiles && mkdir $APP_HOME/mediafiles
 WORKDIR $APP_HOME
 
-# install dependencies
-RUN apt-get -y update && apt-get install netcat -y
-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/*
+COPY ./requirements/production.txt requirements.txt
 
-# copy entrypoint-prod.sh
-COPY ./src/entrypoint.prod.sh $APP_HOME
+RUN apt-get -y update && apt-get install -y python python-pip python-dev python-django-extensions postgresql-client netcat
+RUN pip install -r requirements.txt
 
-# copy project
 COPY ./src $APP_HOME
 
-# chown all the files to the app user
 RUN chown -R app:app $APP_HOME
 
-# change to the app user
 USER app
 
 EXPOSE 8000
+
 CMD ["gunicorn" "kszkepzes.wsgi:application" "--bind" "0.0.0.0:8000"]