diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000..7070637
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,30 @@
+image: python:3.7-alpine
+
+variables:
+  PIP_CACHE_DIR: "$CI_PROJECT_DIR/pip-cache"
+
+cache:
+  paths:
+    - "$CI_PROJECT_DIR/pip-cache"
+  key: "$CI_PROJECT_ID"
+
+test-docs:
+  stage: test
+  script:
+  - pip install -U sphinx
+  - sphinx-build -b html docs public
+  only:
+  - branches
+  except:
+  - master
+
+pages:
+  stage: deploy
+  script:
+  - pip install -U sphinx
+  - sphinx-build -b html docs public
+  artifacts:
+    paths:
+    - public
+  only:
+  - master
diff --git a/docs/Design.odt b/docs/Design.odt
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index 4eb33fe..0000000
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diff --git a/docs/conf.py b/docs/conf.py
new file mode 100644
index 0000000..909c7bd
--- /dev/null
+++ b/docs/conf.py
@@ -0,0 +1,55 @@
+# Configuration file for the Sphinx documentation builder.
+#
+# This file only contains a selection of the most common options. For a full
+# list see the documentation:
+# https://www.sphinx-doc.org/en/master/usage/configuration.html
+
+# -- Path setup --------------------------------------------------------------
+
+# If extensions (or modules to document with autodoc) are in another directory,
+# add these directories to sys.path here. If the directory is relative to the
+# documentation root, use os.path.abspath to make it absolute, like shown here.
+#
+# import os
+# import sys
+# sys.path.insert(0, os.path.abspath('.'))
+
+
+# -- Project information -----------------------------------------------------
+
+project = 'pgLab User Manual'
+copyright = '2021, Eelke Klein'
+author = 'Eelke Klein'
+
+# The full version, including alpha/beta/rc tags
+release = 'https://eelke.gitlab.io/pgLab/'
+
+
+# -- General configuration ---------------------------------------------------
+
+# Add any Sphinx extension module names here, as strings. They can be
+# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
+# ones.
+extensions = [
+]
+
+# Add any paths that contain templates here, relative to this directory.
+templates_path = ['_templates']
+
+# List of patterns, relative to source directory, that match files and
+# directories to ignore when looking for source files.
+# This pattern also affects html_static_path and html_extra_path.
+exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
+
+
+# -- Options for HTML output -------------------------------------------------
+
+# The theme to use for HTML and HTML Help pages.  See the documentation for
+# a list of builtin themes.
+#
+html_theme = 'alabaster'
+
+# Add any paths that contain custom static files (such as style sheets) here,
+# relative to this directory. They are copied after the builtin static files,
+# so a file named "default.css" will overwrite the builtin "default.css".
+html_static_path = ['_static']
diff --git a/docs/index.rst b/docs/index.rst
new file mode 100644
index 0000000..08e8642
--- /dev/null
+++ b/docs/index.rst
@@ -0,0 +1,22 @@
+.. GitLab Pages with Sphinx documentation master file, created by
+   sphinx-quickstart on Thu Jan  9 10:28:38 2020.
+   You can adapt this file completely to your liking, but it should at least
+   contain the root `toctree` directive.
+
+pgLab User Manual
+====================================================
+
+.. toctree::
+   :maxdepth: 2
+   :caption: Contents:
+
+Indices and tables
+==================
+
+* :ref:`genindex`
+* :ref:`search`
+
+Fork this project
+==================
+
+* https://eelke.gitlab.io/pgLab/
diff --git a/docs/statistics_mockup.ods b/docs/statistics_mockup.ods
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index 0ec8f09..0000000
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