FROM python:3.10.4-slim-buster

ENV BUILD_ONLY_PACKAGES='wget' \
  # python:
  PYTHONFAULTHANDLER=1 \
  PYTHONUNBUFFERED=1 \
  PYTHONHASHSEED=random \
  PYTHONDONTWRITEBYTECODE=1 \
  # pip:
  PIP_NO_CACHE_DIR=off \
  PIP_DISABLE_PIP_VERSION_CHECK=on \
  PIP_DEFAULT_TIMEOUT=100 \
  # poetry:
  POETRY_VERSION=1.1.13 \
  POETRY_NO_INTERACTION=1 \
  POETRY_VIRTUALENVS_CREATE=false \
  POETRY_CACHE_DIR='/var/cache/pypoetry' \
  PATH="$PATH:/root/.poetry/bin"

# System deps:
RUN apt-get update \
  && apt-get install --no-install-recommends -y \
    bash \
    build-essential \
    curl \
    gettext \
    git \
    libpq-dev \
    nano \
    # Defining build-time-only dependencies:
    $BUILD_ONLY_PACKAGES \
  && curl -sSL 'https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py' | python \
  && poetry --version \
  # Removing build-time-only dependencies:
  && apt-get remove -y $BUILD_ONLY_PACKAGES \
  # Cleaning cache:
  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
  && apt-get clean -y && rm -rf /var/lib/apt/lists/* \
  && rm -rf $POETRY_CACHE_DIR

WORKDIR /code

# Copy only requirements, to cache them in docker layer
COPY ./poetry.lock ./pyproject.toml /code/
RUN poetry install
COPY . /code
