diff --git a/README.md b/README.md
index c86a11e394d6fd87fe3e8e1ee2b3896828bf0d9f..b3cf4b24372510608eece2ba0b478f116f63a49a 100644
--- a/README.md
+++ b/README.md
@@ -3,4 +3,4 @@ OnlyOffice
 
 Scripts for installing an instance of OnlyOffice.
 
-- onlyoffice-debian.sh installs on Debian. You must provide the passwords for Mysql and Postgres.
\ No newline at end of file
+- onlyoffice-debian.sh installs on Debian. You must provide the passwords for Mysql and Postgres, the FQDN of the host and an email address.
\ No newline at end of file
diff --git a/install-fonts.sh b/install-fonts.sh
new file mode 100644
index 0000000000000000000000000000000000000000..e5bb9cc0201cf1d421ca2c0124b124f384bb4037
--- /dev/null
+++ b/install-fonts.sh
@@ -0,0 +1,51 @@
+#!/bin/bash
+
+# Install default Office fonts
+# see: https://helpcenter.onlyoffice.com/de/server/linux/document/install-fonts.aspx
+
+# If DocumnentServer is running within a container
+# find the container with:
+# sudo docker ps -a
+# and enter that container
+# docker exec -it <documentserver> /bin/bash
+# e.g. 
+# docker exec -it onlyoffice-document-server /bin/bash
+
+
+cd /tmp
+sudo mkdir -p /usr/share/fonts/truetype
+sudo apt -y install unzip
+sudo apt -y install fontconfig # for fc-cache
+
+function get_font {
+    wget "http://legionfonts.com/download/$1"
+    unzip "$1"
+    sudo mv "$2.ttf" /usr/share/fonts/truetype
+    rm "$1"
+}
+
+# Download and install fonts
+get_font arial Arial
+get_font calibri Calibri
+get_font courier-new 'Courier New'
+get_font symbol Symbol
+get_font times-new-roman 'Times New Roman'
+get_font tw-cen-mt 'Tw Cen MT'
+get_font tw-cen-mt-condensed 'Tw Cen MT Condensed'
+
+# Optionally remove extra fonts
+sudo apt -y remove fonts-taml fonts-telu fonts-mlym
+sudo apt -y remove fonts-lohit-telu fonts-lohit-taml fonts-lohit-taml fonts-lohit-orya fonts-lohit-mlym fonts-lohit-knda fonts-lohit-guru
+sudo apt -y remove fonts-deva fonts-gujr fonts-guru fonts-knda fonts-lohit-beng-assamese fonts-lohit-beng-bengali fonts-lohit-deva fonts-lohit-gujr
+sudo apt -y remove fonts-kacst fonts-kacst-one fonts-pagul
+sudo apt -y remove fonts-thai-tlwg-web fonts-tlwg-garuda fonts-tlwg-garuda-otf fonts-tlwg-garuda-ttf
+sudo apt -y remove fonts-noto-mono fonts-noto-cjk
+sudo apt -y remove fonts-khmeros-core fonts-khmeros
+sudo apt -y remove fonts-lklug-sinhala fonts-tibetan-machine fonts-sil-padauk
+
+# Refresh the cache
+sudo fc-cache -fv
+
+# OnlyOffice-provided script
+/usr/bin/documentserver-generate-allfonts.sh
+
diff --git a/onlyoffice-docker-upgrade.rst b/onlyoffice-docker-upgrade.rst
new file mode 100644
index 0000000000000000000000000000000000000000..5a5f034c687f0a0a03cad3e6d661352d59952621
--- /dev/null
+++ b/onlyoffice-docker-upgrade.rst
@@ -0,0 +1,41 @@
+Upgrading a Docker-based installation of OnlyOffice
+===================================================
+
+First of all, backup/snapshot OnlyOffice data through a snapshot or as described at https://helpcenter.onlyoffice.com/it/server/docker/community/upgrade-docker.aspx#Step1
+
+Upgrade OnlyOffice installed with docker containers::
+
+  cd /tmp/
+  wget http://download.onlyoffice.com/install/install.sh
+  chmod +x install.sh
+  sudo ./install.sh -u true -os true
+
+Example output::
+
+  5.2.2.2: Pulling from onlyoffice/documentserver
+  3b37166ec614: Already exists 
+  504facff238f: Already exists 
+  ebbcacd28e10: Already exists 
+  c7fb3351ecad: Already exists 
+  2e3debadcbf7: Already exists 
+  044400dde582: Pull complete 
+  90d8e1fc9abb: Pull complete 
+  bc60a37a132e: Pull complete 
+  8b536ff60bda: Pull complete 
+  Digest: sha256:c83f785f747785faa24cc755cdf070caf49dd7b763b1482046b77077ad46070e
+  Status: Downloaded newer image for onlyoffice/documentserver:5.2.2.2
+  Preparing for shutdown, it can take a lot of time, please wait...Done
+  stop container:
+  onlyoffice-document-server
+  remove container:
+  onlyoffice-document-server
+  check removed container: onlyoffice-document-server
+  10f08d8c09b4f0cc6c37183edd93ac5484609b3e1646ed1380254570e5fd5950
+  The latest version of ONLYOFFICE MAIL SERVER is already installed.
+  59004b9bc91bddc566e4256c5ba6d4f280d749bbf2b629f6506b9f90bb2af8ae
+  The latest version of ONLYOFFICE COMMUNITY SERVER is already installed.
+  ad10b35885138a019d0b8e2a865798e7c6824c7ba42e50960b54e40b9712a32f
+  
+  Thank you for installing ONLYOFFICE.
+  In case you have any questions contact us via http://support.onlyoffice.com or visit our forum at http://dev.onlyoffice.org
+