diff --git a/seqs/onlyoffice.sh b/seqs/onlyoffice.sh
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+++ b/seqs/onlyoffice.sh
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+#!/bin/bash
+
+# Source
+# Docker - Install using the repository
+# https://docs.docker.com/install/linux/docker-ce/ubuntu/
+#
+# Onlyoffice - Docker
+# https://helpcenter.onlyoffice.com/server/docker/document/docker-installation.aspx
+
+toolName="onlyoffice"
+dockerDeps="apt-transport-https ca-certificates curl gnupg-agent software-properties-common"
+dockerGpgKeyUrl="https://download.docker.com/linux/ubuntu/gpg"
+dockerRepoUrl="https://download.docker.com/linux/ubuntu"
+dockerPackages="docker-ce docker-ce-cli containerd.io"
+dockerDns1="192.168.23.20"
+dockerDns2="46.182.19.48"
+dockerDnsEntry="DOCKER_OPTS=\"--dns $dockerDns1 --dns $dockerDns2\""
+dockerDefaultConf="/etc/default/docker"
+onlyOfficePort="8026"
+
+step_1_info() { echo "Install docker dependencies"; }
+step_1_alias() { ALIAS="install"; }
+step_1() {
+  local aptOption=
+  exe apt update
+  if [ $QUIET -ne 0 ] ; then
+    aptOption="-y"
+  else
+    aptOption=""
+  fi
+  exe apt install $dockerDeps $aptOption
+  endReturn -o $? "Docker dependencies installation failed"
+}
+
+step_2_info() { echo "Install docker repository"; }
+step_2() {
+  # Add official docker GPG key
+  exep "curl -fsSL ${dockerGpgKeyUrl} | sudo apt-key add -"
+  
+  # Add stable repository
+  exe add-apt-repository "deb [arch=amd64] ${dockerRepoUrl} $(lsb_release -cs) stable"
+  endReturn -o $? "Failed to add Docker repository"
+  exe apt update
+  endReturn -o $? "Docker repository not available"
+}
+
+step_3_info() { echo "Install latest docker version"; }
+step_3() {
+  # Install the latest version
+  if [ $QUIET -ne 0 ] ; then
+    aptOption="-y"
+  else
+    aptOption=""
+  fi
+  exe apt install $dockerPackages $aptOption
+
+  echo " [I] You may test the installation by running:"
+  echo "     sudo docker run hello-world"
+}
+
+step_4_info() { echo "Replace Docker DNS entry"; }
+step_4() {
+  exe sed -i "s/\(^#DOCKER_OPTS=.*\)$/#\1\n${dockerDnsEntry}/" "$dockerDefaultConf"
+  exep "grep \"${dockerDns1}\" \"$dockerDefaultConf\" >>/dev/null"
+  if [ $? -ne 0 ] ; then
+    echoerr " [W] Docker dns entry could not be changed"
+  fi
+}
+
+step_5_info() { echo "Install onlyoffice docker container"; }
+step_5_alias() { ALIAS="onlyoffice"; }
+step_5() {
+  exe docker run -i -t -d -p ${onlyOfficePort}:80 --restart=always onlyoffice/documentserver
+}
+
+step_10_info() { echo "List running Docker container"; }
+step_10_alias() { ALIAS="ls"; }
+step_10() {
+  exe docker container ls
+  echo
+  echo " [I] To stop a container run:"
+  echo "     docker stop [CONTAINER ID]"
+  echo "     e.g.: docker stop 70f1c5c81be2"
+}
+
+step_100_info() { echo "Uninstall docker"; }
+step_100_alias() { ALIAS="uninstall"; }
+step_100() {
+  exe apt-get purge docker-ce
+}
+
+step_102_info() { echo "Purge images, containers, volumes, or customized configuration files"; }
+step_102_alias() { ALIAS="purge"; }
+step_102() {
+  exe read -p "Are you sure y/[n]? " answer
+  case $answer in
+    yY)
+      exe rm -rf /var/lib/docker 
+      ;;
+    *)
+      return 0
+      ;;
+  esac
+}
+
+VERSION_SEQREV=7
+. sequencer.sh