FROM python:3.9-slim-buster AS builder

RUN apt-get update -qq \

&& DEBIAN_FRONTEND=noninteractive apt-get install -qq -y \

build-essential \

libgeos-dev \

apache2 \

apache2-dev \

&& apt-get clean \

&& rm -rf /var/lib/apt/lists/* \

&& pip3 install --user --no-warn-script-location --upgrade pip \

&& pip3 install --user --no-warn-script-location pipenv

ENV PIPENV_VENV_IN_PROJECT=1

# Pipfile contains requests

COPY Pipfile.lock Pipfile /usr/src/

WORKDIR /usr/src

# Create virtualenv with all dependencies

# Install latest mod_wsgi using the pip command, this will automatically download, configure and

# build mod_wsgi apache module inside the virtual environment. We do this separately and not part

# of the Pipfile because we only need mod_wsgi on docker image and not locally.

RUN /root/.local/bin/pipenv sync \

&& /root/.local/bin/pipenv run pip install mod_wsgi

FROM python:3.9-slim-buster AS runtime

ENV VHOST_DIR=/var/www/vhosts/mf-chsdi3

ENV INSTALL_DIR=/var/www/vhosts/mf-chsdi3/private/chsdi

ENV APACHE_ENTRY_PATH=

ENV APACHE_BASE_PATH=main

ENV MODWSGI_USER=www-data

ENV USER geodata

ENV GROUP geodata

# Setup default logging levels

ENV APACHE_LOG_LEVEL=info

ENV APACHE_LOG_FMT="[%{cu}t] [%l] [pid/tid %P/%T] [%m] [ID %L] %M"

# REQUIREMENTS NOTE:

# - gettext-base is required for envsubst in docker-entrypoint.sh

# - libgeos-dev is required by shapely

RUN apt-get update -qq \

&& DEBIAN_FRONTEND=noninteractive apt-get install -qq -y --upgrade ca-certificates \

&& DEBIAN_FRONTEND=noninteractive apt-get install -qq -y \

gettext-base \

apache2 \

libgeos-dev \

&& apt-get clean \

&& rm -rf /var/lib/apt/lists/* \

&& groupadd --gid 2500 ${GROUP} \

&& useradd --uid 2500 --gid ${GROUP} --shell /bin/sh --create-home ${USER} \

&& mkdir -p ${VHOST_DIR}/conf \

&& mkdir -p ${VHOST_DIR}/private \

&& mkdir -p ${VHOST_DIR}/cgi-bin \

&& mkdir -p ${VHOST_DIR}/htdocs \

&& mkdir -p ${VHOST_DIR}/logs \

&& echo "ServerName localhost" | tee /etc/apache2/conf-available/fqdn.conf \

&& a2enconf fqdn \

&& a2enmod \

auth_basic \

authz_groupfile \

autoindex \

dir \

env \

expires \

filter \

headers \

http2 \

include \

mpm_event \

negotiation \

rewrite \

setenvif \

status \

alias

# Copy the virtual environment from the builder stage

COPY --from=builder --chown=${USER}:${GROUP} /usr/src/.venv/ ${INSTALL_DIR}/.venv/

# Copy the python chsdi package setup files for package installation down below

COPY --chown=${USER}:${GROUP} \

setup.cfg \

setup.py \

MANIFEST.in \

README.md \

LICENSE.md \

CHANGES.txt \

docker-entrypoint.sh ${INSTALL_DIR}/

# Add apache configurations and templates

COPY --chown=${USER}:${GROUP} 90-chsdi3.conf ${VHOST_DIR}/conf/

COPY --chown=${USER}:${GROUP} apache ${INSTALL_DIR}/apache/

# Add the application

COPY --chown=${USER}:${GROUP} chsdi ${INSTALL_DIR}/chsdi/

WORKDIR ${INSTALL_DIR}

ARG GIT_HASH=unknown

ARG GIT_BRANCH=unknown

ARG GIT_DIRTY=unknown

ARG GIT_TAG=unknown

ARG VERSION=unknown

ARG AUTHOR=unknown

LABEL git.hash=${GIT_HASH}

LABEL git.branch=${GIT_BRANCH}

LABEL git.dirty=${GIT_DIRTY}

LABEL git.tag=${GIT_TAG}

LABEL version=${VERSION}

LABEL author=${AUTHOR}

# Substitute the version in the pylons configuration

# and install the chsdi package as editable needed by pyramid

ENV APP_VERSION=${VERSION}

RUN sed -i 's/${APP_VERSION}/'${APP_VERSION}'/g' chsdi/config/base.ini.in \

&& .venv/bin/python -m pip install -e .

# NOTE: Here below we cannot use environment variable with ENTRYPOINT using the `exec` form.

# The ENTRYPOINT `exec` form is required in order to use the docker-entrypoint.sh as first

# command to run before the CMD.

ENTRYPOINT ["./docker-entrypoint.sh"]

CMD ["/usr/sbin/apache2ctl", "-D", "FOREGROUND"]