diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
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+#
+# ** header v3.0
+# This file is a part of the CaosDB Project.
+#
+# Copyright (C) 2018 Research Group Biomedical Physics,
+# Max-Planck-Institute for Dynamics and Self-Organization Göttingen
+# Copyright (C) 2019 Henrik tom Wörden 
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
+#
+# ** end header
+#
+stages:
+    - before_script
+    - setup_docker
+    - setup
+    - code_style
+    - build
+    - test
+    
+before_script:
+   - docker info
+
+#########
+# Setup
+#########
+
+# install formatters
+setup:install_formatters:python2.7:
+    tags: [ py27 ]
+    stage: setup
+    script:
+        - pip2 install --upgrade pycodestyle --user
+
+setup:install_formatters:python3.4:
+    tags: [ py34 ]
+    stage: setup
+    script:
+        - pip3.4 install --upgrade pycodestyle --user
+
+############
+# code_style
+############
+
+code_style:pycodestyle:python2.7:
+    tags: [ py27 ]
+    stage: code_style
+    script:
+        - ~/.local/bin/pycodestyle --count ./
+
+code_style:pycodestyle:python3.4:
+    tags: [ py34 ]
+    stage: code_style
+    script:
+        - ~/.local/bin/pycodestyle --count ./
+
+#########
+# Build
+#########
+
+# install python client (python 2.7)
+build:pycaosdb:python2.7:
+    tags: [ py27 ]
+    stage: build
+    script:
+        - python2.7 setup.py install --user
+
+# install python client (python 3.4)
+build:pycaosdb:python3.4:
+    tags: [ py34 ]
+    stage: build
+    script:
+        - python3.4 setup.py install --user
+
+########
+# Test
+########
+
+# unit tests for pycaosdb
+test:pycaosdb:py34:
+    tags: [ py34 ]
+    stage: test
+    script:
+        - touch ~/.pycaosdb.ini
+        - tox -r -e py34
+
+test:pycaosdb:py27:
+    tags: [ py27 ]
+    stage: test
+    script:
+        - touch ~/.pycaosdb.ini
+        - tox -r -e py27