add Dockerfile

CI/Dockerfile

+# ---- base node ----
+FROM opensuse/leap:latest AS base
+MAINTAINER Lukas Leufen <l.leufen@fz-juelich.de>
+
+# install git
+RUN zypper --non-interactive install git
+
+# install python3
+RUN zypper --non-interactive install python39 python39-devel
+
+# install pip
+RUN zypper --non-interactive install python39-pip
+
+# upgrade pip
+RUN pip3.9 install --upgrade pip
+
+# install curl
+RUN zypper --non-interactive install curl
+
+# install make
+RUN zypper --non-interactive install make
+
+# install gcc
+RUN zypper --non-interactive install gcc-c++
+
+# create and activate venv
+ENV VIRTUAL_ENV=/opt/venv
+RUN python3.9 -m venv $VIRTUAL_ENV
+ENV PATH="$VIRTUAL_ENV/bin:$PATH"
+# RUN source venv/bin/activate
+
+# ---- test node ----
+FROM base AS test
+
+# install pytest
+RUN pip install pytest pytest-html pytest-lazy-fixture
+
+# ---- coverage node ----
+FROM test AS coverage
+
+# install pytest coverage
+RUN pip install pytest-cov
+
+# ---- docs node ----
+FROM base AS docs
+
+# install sphinx
+RUN pip install sphinx
+
+# ---- MLAir ready to use ----
+FROM base AS mlair
+
+# install geo packages
+RUN zypper --no-gpg-checks addrepo https://download.opensuse.org/repositories/Application:Geo/15.4/Application:Geo.repo
+RUN zypper --no-gpg-checks refresh
+RUN zypper --no-gpg-checks --non-interactive install proj=8.2.1
+RUN zypper --no-gpg-checks --non-interactive install geos=3.10.3
+RUN zypper --no-gpg-checks --non-interactive install geos-devel=3.9.1
+RUN zypper --no-gpg-checks --non-interactive install libproj22=8.2.1
+RUN zypper --no-gpg-checks --non-interactive install binutils libproj-devel gdal-devel
+
+# install requirements
+ADD requirements.txt .
+RUN pip install -r requirements.txt
+