Merge pull request #4725 from mailcow/feature/nightly-switch

[Update.sh] Nightly Version Switch implementation + Composev2 User Decision

data/web/inc/footer.inc.php

@@ -48,7 +48,14 @@ if (isset($pending_tfa_authmechs['u2f'])) {
 $globalVariables = [
   'mailcow_info' => array(
     'version_tag' => $GLOBALS['MAILCOW_GIT_VERSION'],
-    'git_project_url' => $GLOBALS['MAILCOW_GIT_URL']
+    'last_version_tag' => $GLOBALS['MAILCOW_LAST_GIT_VERSION'],
+    'git_owner' => $GLOBALS['MAILCOW_GIT_OWNER'],
+    'git_repo' => $GLOBALS['MAILCOW_GIT_REPO'],
+    'git_project_url' => $GLOBALS['MAILCOW_GIT_URL'],
+    'git_commit' => $GLOBALS['MAILCOW_GIT_COMMIT'],
+    'git_commit_date' => $GLOBALS['MAILCOW_GIT_COMMIT_DATE'],
+    'mailcow_branch' => $GLOBALS['MAILCOW_BRANCH'],
+    'updated_at' => $GLOBALS['MAILCOW_UPDATEDAT']
   ),
   'js_path' => '/cache/'.basename($JSPath),
   'pending_tfa_methods' => @$_SESSION['pending_tfa_methods'],

data/web/templates/base.twig

@@ -490,13 +490,20 @@ function recursiveBase64StrToArrayBuffer(obj) {
   {% if ui_texts.ui_footer %}
   <hr><span class="rot-enc">{{ ui_texts.ui_footer|rot13|raw }}</span>
   {% endif %}
-  {% if mailcow_cc_username and mailcow_info.version_tag|default %}
+  {% if mailcow_cc_username and mailcow_info.mailcow_branch|lower == "master" and mailcow_info.version_tag|default %}
   <span class="version">
     🐮 + 🐋 = 💕
-    <a href="{{ mailcow_info.git_project_url }}/releases/tag/{{ mailcow_info.version_tag }}" target="_blank">
-        Version: {{ mailcow_info.version_tag }}
+        Version: <a href="{{ mailcow_info.git_project_url }}/releases/tag/{{ mailcow_info.version_tag }}" target="_blank">{{ mailcow_info.version_tag }}
     </a>
   </span>
+  {% endif %}  
+  {% if mailcow_cc_username and mailcow_info.mailcow_branch|lower == "nightly" and mailcow_info.version_tag|default %}
+  <span class="version">
+    🛠️🐮 + 🐋 = 💕
+        Nightly: <a href="{{ mailcow_info.git_project_url }}/commit/{{ mailcow_info.git_commit }}" target="_blank">{{ mailcow_info.version_tag }}
+    </a><br>
+    <span style="text-align:right;display:block;">Build: {{ mailcow_info.git_commit_date }}</span>
+  </span>
   {% endif %}
 </div>
 </body>

generate_config.sh

@@ -16,19 +16,49 @@ if [[ "$(uname -r)" =~ ^4\.4\. ]]; then
   fi
 fi
 
-if grep --help 2>&1 | grep -q -i "busybox"; then
-  echo "BusyBox grep detected, please install gnu grep, \"apk add --no-cache --upgrade grep\""
-  exit 1
-fi
-if cp --help 2>&1 | grep -q -i "busybox"; then
-  echo "BusyBox cp detected, please install coreutils, \"apk add --no-cache --upgrade coreutils\""
-  exit 1
-fi
+if grep --help 2>&1 | head -n 1 | grep -q -i "busybox"; then echo "BusyBox grep detected, please install gnu grep, \"apk add --no-cache --upgrade grep\""; exit 1; fi
+# This will also cover sort
+if cp --help 2>&1 | head -n 1 | grep -q -i "busybox"; then echo "BusyBox cp detected, please install coreutils, \"apk add --no-cache --upgrade coreutils\""; exit 1; fi
+if sed --help 2>&1 | head -n 1 | grep -q -i "busybox"; then echo "BusyBox sed detected, please install gnu sed, \"apk add --no-cache --upgrade sed\""; exit 1; fi
 
-for bin in openssl curl docker docker-compose git awk sha1sum; do
+for bin in openssl curl docker git awk sha1sum; do
   if [[ -z $(which ${bin}) ]]; then echo "Cannot find ${bin}, exiting..."; exit 1; fi
 done
 
+if docker compose > /dev/null 2>&1; then
+    if docker compose version --short | grep "^2." > /dev/null 2>&1; then
+      COMPOSE_VERSION=native
+      echo -e "\e[31mFound Docker Compose Plugin (native).\e[0m"
+      echo -e "\e[31mSetting the DOCKER_COMPOSE_VERSION Variable to native\e[0m"
+      sleep 2
+      echo -e "\e[33mNotice: You´ll have to update this Compose Version via your Package Manager manually!\e[0m"
+    else
+      echo -e "\e[31mCannot find Docker Compose with a Version Higher than 2.X.X.\e[0m" 
+      echo -e "\e[31mPlease update/install it manually regarding to this doc site: https://mailcow.github.io/mailcow-dockerized-docs/i_u_m/i_u_m_install/\e[0m"
+      exit 1
+    fi
+elif docker-compose > /dev/null 2>&1; then
+  if ! [[ $(alias docker-compose 2> /dev/null) ]] ; then
+    if docker-compose version --short | grep "^2." > /dev/null 2>&1; then
+      COMPOSE_VERSION=standalone
+      echo -e "\e[31mFound Docker Compose Standalone.\e[0m"
+      echo -e "\e[31mSetting the DOCKER_COMPOSE_VERSION Variable to standalone\e[0m"
+      sleep 2
+      echo -e "\e[33mNotice: For an automatic update of docker-compose please use the update_compose.sh scripts located at the helper-scripts folder.\e[0m"
+    else
+      echo -e "\e[31mCannot find Docker Compose with a Version Higher than 2.X.X.\e[0m" 
+      echo -e "\e[31mPlease update/install manually regarding to this doc site: https://mailcow.github.io/mailcow-dockerized-docs/i_u_m/i_u_m_install/\e[0m"
+      exit 1
+    fi
+  fi
+
+else
+  echo -e "\e[31mCannot find Docker Compose.\e[0m" 
+  echo -e "\e[31mPlease install it regarding to this doc site: https://mailcow.github.io/mailcow-dockerized-docs/i_u_m/i_u_m_install/\e[0m"
+  exit 1
+fi
+    
+
 if [ -f mailcow.conf ]; then
   read -r -p "A config file exists and will be overwritten, are you sure you want to continue? [y/N] " response
   case $response in
@@ -105,6 +135,25 @@ else
   SKIP_SOLR=n
 fi
 
+echo "Which branch of mailcow do you want to use?"
+echo ""
+echo "Available Branches:"
+echo "- master branch (stable updates) | default, recommended [1]"
+echo "- nightly branch (unstable updates, testing) | not-production ready [2]"
+sleep 1
+read -r -p  "Choose the Branch with it´s number [1/2] " branch
+  case $branch in
+    [2])
+      git_branch="nightly"
+      ;;
+    *)
+      git_branch="master"
+    ;;
+  esac
+
+git fetch --all
+git checkout -f $git_branch
+
 [ ! -f ./data/conf/rspamd/override.d/worker-controller-password.inc ] && echo '# Placeholder' > ./data/conf/rspamd/override.d/worker-controller-password.inc
 
 cat << EOF > mailcow.conf
@@ -183,6 +232,14 @@ TZ=${MAILCOW_TZ}
 
 COMPOSE_PROJECT_NAME=mailcowdockerized
 
+# Used Docker Compose version
+# Switch here between native (compose plugin) and standalone
+# For more informations take a look at the mailcow docs regarding the configuration options.
+# Normally this should be untouched but if you decided to use either of those you can switch it manually here.
+# Please be aware that at least one of those variants should be installed on your maschine or mailcow will fail.
+
+DOCKER_COMPOSE_VERSION=${COMPOSE_VERSION}
+
 # Set this to "allow" to enable the anyone pseudo user. Disabled by default.
 # When enabled, ACL can be created, that apply to "All authenticated users"
 # This should probably only be activated on mail hosts, that are used exclusivly by one organisation.
@@ -363,16 +420,42 @@ echo "Copying snake-oil certificate..."
 cp -n -d data/assets/ssl-example/*.pem data/assets/ssl/
 
 # Set app_info.inc.php
-mailcow_git_version=$(git describe --tags `git rev-list --tags --max-count=1`)
+if [ ${git_branch} == "master" ]; then
+  mailcow_git_version=$(git describe --tags `git rev-list --tags --max-count=1`)
+elif [ ${git_branch} == "nightly" ]; then
+  mailcow_git_version=$(git rev-parse --short $(git rev-parse @{upstream}))
+  mailcow_last_git_version=""
+else
+  mailcow_git_version=$(git rev-parse --short HEAD)
+  mailcow_last_git_version=""
+fi
+
+mailcow_git_commit=$(git rev-parse origin/${git_branch})
+mailcow_git_commit_date=$(git log -1 --format=%ci @{upstream} )
+
 if [ $? -eq 0 ]; then
   echo '<?php' > data/web/inc/app_info.inc.php
   echo '  $MAILCOW_GIT_VERSION="'$mailcow_git_version'";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_LAST_GIT_VERSION="";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_OWNER="mailcow";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_REPO="mailcow-dockerized";' >> data/web/inc/app_info.inc.php
   echo '  $MAILCOW_GIT_URL="https://github.com/mailcow/mailcow-dockerized";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_COMMIT="'$mailcow_git_commit'";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_COMMIT_DATE="'$mailcow_git_commit_date'";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_BRANCH="'$git_branch'";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_UPDATEDAT='$(date +%s)';' >> data/web/inc/app_info.inc.php
   echo '?>' >> data/web/inc/app_info.inc.php
 else
   echo '<?php' > data/web/inc/app_info.inc.php
-  echo '  $MAILCOW_GIT_VERSION="";' >> data/web/inc/app_info.inc.php
-  echo '  $MAILCOW_GIT_URL="";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_VERSION="'$mailcow_git_version'";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_LAST_GIT_VERSION="";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_OWNER="mailcow";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_REPO="mailcow-dockerized";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_URL="https://github.com/mailcow/mailcow-dockerized";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_COMMIT="";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_COMMIT_DATE="";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_BRANCH="'$git_branch'";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_UPDATEDAT='$(date +%s)';' >> data/web/inc/app_info.inc.php
   echo '?>' >> data/web/inc/app_info.inc.php
   echo -e "\e[33mCannot determine current git repository version...\e[0m"
-fi
+fi

helper-scripts/_cold-standby.sh

@@ -77,7 +77,7 @@ function preflight_local_checks() {
     exit 1
   fi
 
-  for bin in rsync docker docker-compose grep cut; do
+  for bin in rsync docker grep cut; do
     if [[ -z $(which ${bin}) ]]; then
       >&2 echo -e "\e[31mCannot find ${bin} in local PATH, exiting...\e[0m"
       exit 1
@@ -111,7 +111,7 @@ function preflight_remote_checks() {
       exit 1
   fi
 
-  for bin in rsync docker docker-compose; do
+  for bin in rsync docker; do
     if ! ssh -o StrictHostKeyChecking=no \
       -i "${REMOTE_SSH_KEY}" \
       ${REMOTE_SSH_HOST} \
@@ -121,17 +121,44 @@ function preflight_remote_checks() {
         exit 1
     fi
   done
-}
 
-preflight_local_checks
-preflight_remote_checks
+  ssh -o StrictHostKeyChecking=no \
+      -i "${REMOTE_SSH_KEY}" \
+      ${REMOTE_SSH_HOST} \
+      -p ${REMOTE_SSH_PORT} \
+      "bash -s" << "EOF"
+if docker compose > /dev/null 2>&1; then
+	exit 0
+elif docker-compose version --short | grep "^2." > /dev/null 2>&1; then
+	exit 1
+else
+exit 2
+fi
+EOF
+
+if [ $? = 0 ]; then
+  COMPOSE_COMMAND="docker compose"
+  echo "DEBUG: Using native docker compose on remote"
+
+elif [ $? = 1 ]; then
+  COMPOSE_COMMAND="docker-compose"
+  echo "DEBUG: Using standalone docker compose on remote"
+
+else
+  echo -e "\e[31mCannot find any Docker Compose on remote, exiting...\e[0m"
+  exit 1
+fi
+}
 
 SCRIPT_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
-COMPOSE_FILE="${SCRIPT_DIR}/../docker-compose.yml"
 source "${SCRIPT_DIR}/../mailcow.conf"
+COMPOSE_FILE="${SCRIPT_DIR}/../docker-compose.yml"
 CMPS_PRJ=$(echo ${COMPOSE_PROJECT_NAME} | tr -cd 'A-Za-z-_')
 SQLIMAGE=$(grep -iEo '(mysql|mariadb)\:.+' "${COMPOSE_FILE}")
 
+preflight_local_checks
+preflight_remote_checks
+
 echo
 echo -e "\033[1mFound compose project name ${CMPS_PRJ} for ${MAILCOW_HOSTNAME}\033[0m"
 echo -e "\033[1mFound SQL ${SQLIMAGE}\033[0m"
@@ -258,7 +285,7 @@ echo "OK"
     -i "${REMOTE_SSH_KEY}" \
     ${REMOTE_SSH_HOST} \
     -p ${REMOTE_SSH_PORT} \
-    docker-compose -f "${SCRIPT_DIR}/../docker-compose.yml" pull --no-parallel --quiet 2>&1 ; then
+    ${COMPOSE_COMMAND} -f "${SCRIPT_DIR}/../docker-compose.yml" pull --no-parallel --quiet 2>&1 ; then
       >&2 echo -e "\e[31m[ERR]\e[0m - Could not pull images on remote"
   fi
 
@@ -271,13 +298,4 @@ if ! ssh -o StrictHostKeyChecking=no \
     >&2 echo -e "\e[31m[ERR]\e[0m - Could not cleanup old images on remote"
 fi
 
-echo -e "\033[1mExecuting update script and checking for new docker-compose Version on remote...\033[0m"
-if ! ssh -o StrictHostKeyChecking=no \
-  -i "${REMOTE_SSH_KEY}" \
-  ${REMOTE_SSH_HOST} \
-  -p ${REMOTE_SSH_PORT} \
-  ${SCRIPT_DIR}/../update.sh -f --update-compose ; then
-    >&2 echo -e "\e[31m[ERR]\e[0m - Could not fetch docker-compose on remote"
-fi
-
-echo -e "\e[32mDone\e[0m"
+echo -e "\e[32mDone\e[0m"

helper-scripts/backup_and_restore.sh

@@ -160,12 +160,24 @@ function backup() {
 }
 
 function restore() {
-  for bin in docker docker-compose; do
+  for bin in docker; do
   if [[ -z $(which ${bin}) ]]; then
     >&2 echo -e "\e[31mCannot find ${bin} in local PATH, exiting...\e[0m"
     exit 1
   fi
-  done  
+  done
+
+  if [ "${DOCKER_COMPOSE_VERSION}" == "native" ]; then
+  COMPOSE_COMMAND="docker compose"
+
+  elif [ "${DOCKER_COMPOSE_VERSION}" == "standalone" ]; then
+    COMPOSE_COMMAND="docker-compose"
+  
+  else
+    echo -e "\e[31mCan not read DOCKER_COMPOSE_VERSION variable from mailcow.conf! Is your mailcow up to date? Exiting...\e[0m"
+    exit 1
+  fi
+
   echo
   echo "Stopping watchdog-mailcow..."
   docker stop $(docker ps -qf name=watchdog-mailcow)
@@ -244,7 +256,7 @@ function restore() {
           continue
         else
           echo "Stopping mailcow..."
-          docker-compose -f ${COMPOSE_FILE} --env-file ${ENV_FILE} down
+          ${COMPOSE_COMMAND} -f ${COMPOSE_FILE} --env-file ${ENV_FILE} down
         fi
         #docker stop $(docker ps -qf name=mysql-mailcow)
         if [[ -d "${RESTORE_LOCATION}/mysql" ]]; then
@@ -282,7 +294,7 @@ function restore() {
         sed -i --follow-symlinks "/DBROOT/c\DBROOT=${DBROOT}" ${SCRIPT_DIR}/../mailcow.conf
         source ${SCRIPT_DIR}/../mailcow.conf
         echo "Starting mailcow..."
-        docker-compose -f ${COMPOSE_FILE} --env-file ${ENV_FILE} up -d
+        ${COMPOSE_COMMAND} -f ${COMPOSE_FILE} --env-file ${ENV_FILE} up -d
         #docker start $(docker ps -aqf name=mysql-mailcow)
       fi
       ;;

helper-scripts/update_compose.sh

@@ -0,0 +1,70 @@
+#!/bin/bash
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+source ${SCRIPT_DIR}/../mailcow.conf
+
+if [ "${DOCKER_COMPOSE_VERSION}" == "standalone" ]; then
+LATEST_COMPOSE=$(curl -#L https://www.servercow.de/docker-compose/latest.php)
+COMPOSE_VERSION=$(docker-compose version --short)
+if [[ "$LATEST_COMPOSE" != "$COMPOSE_VERSION" ]]; then
+  echo -e "\e[33mA new docker-compose Version is available: $LATEST_COMPOSE\e[0m"
+  echo -e "\e[33mYour Version is: $COMPOSE_VERSION\e[0m"
+else
+  echo -e "\e[32mYour docker-compose Version is up to date! Not updating it...\e[0m"
+  exit 0 
+fi
+read -r -p "Do you want to update your docker-compose Version? It will automatic upgrade your docker-compose installation (recommended)? [y/N] " updatecomposeresponse 
+    if [[ ! "${updatecomposeresponse}" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
+      echo "OK, not updating docker-compose."
+      exit 0
+    fi 
+echo -e "\e[32mFetching new docker-compose (standalone) version...\e[0m"
+echo -e "\e[32mTrying to determine GLIBC version...\e[0m"
+    if ldd --version > /dev/null; then
+        GLIBC_V=$(ldd --version | grep -E '(GLIBC|GNU libc)' | rev | cut -d ' ' -f1 | rev | cut -d '.' -f2)
+        if [ ! -z "${GLIBC_V}" ] && [ ${GLIBC_V} -gt 27 ]; then
+        DC_DL_SUFFIX=
+        else
+        DC_DL_SUFFIX=legacy
+        fi
+    else
+        DC_DL_SUFFIX=legacy
+    fi
+    sleep 1
+    if [[ $(command -v pip 2>&1) && $(pip list --local 2>&1 | grep -v DEPRECATION | grep -c docker-compose) == 1 || $(command -v pip3 2>&1) && $(pip3 list --local 2>&1 | grep -v DEPRECATION | grep -c docker-compose) == 1 ]]; then
+        echo -e "\e[33mFound a docker-compose Version installed with pip!\e[0m"
+        echo -e "\e[31mPlease uninstall the pip Version of docker-compose since it doesn´t support Versions higher than 1.29.2.\e[0m"
+        sleep 2
+        echo -e "\e[33mExiting...\e[0m"
+        exit 1
+        #prevent breaking a working docker-compose installed with pip
+    elif [[ $(curl -sL -w "%{http_code}" https://www.servercow.de/docker-compose/latest.php?vers=${DC_DL_SUFFIX} -o /dev/null) == "200" ]]; then
+        LATEST_COMPOSE=$(curl -#L https://www.servercow.de/docker-compose/latest.php)
+        COMPOSE_VERSION=$(docker-compose version --short)
+        if [[ "$LATEST_COMPOSE" != "$COMPOSE_VERSION" ]]; then
+        COMPOSE_PATH=$(command -v docker-compose)
+        if [[ -w ${COMPOSE_PATH} ]]; then
+            curl -#L https://github.com/docker/compose/releases/download/v${LATEST_COMPOSE}/docker-compose-$(uname -s)-$(uname -m) > $COMPOSE_PATH
+            chmod +x $COMPOSE_PATH
+            echo -e "\e[32mYour Docker Compose (standalone) has been updated to: $LATEST_COMPOSE\e[0m"
+            exit 0
+        else
+            echo -e "\e[33mWARNING: $COMPOSE_PATH is not writable, but new version $LATEST_COMPOSE is available (installed: $COMPOSE_VERSION)\e[0m"
+            return 1
+        fi
+        fi
+    else
+        echo -e "\e[33mCannot determine latest docker-compose version, skipping...\e[0m"
+        exit 1
+    fi
+
+elif [ "${DOCKER_COMPOSE_VERSION}" == "native" ]; then
+    echo -e "\e[31mYou are using the native Docker Compose Plugin. This Script is for the standalone Docker Compose Version only.\e[0m"
+    sleep 2
+    echo -e "\e[33mNotice: You´ll have to update this Compose Version via your Package Manager manually!\e[0m"
+    exit 1
+
+else
+    echo -e "\e[31mCan not read DOCKER_COMPOSE_VERSION variable from mailcow.conf! Is your mailcow up to date? Exiting...\e[0m"
+    exit 1
+fi

update.sh

@@ -175,58 +175,48 @@ remove_obsolete_nginx_ports() {
     done        
 }
 
-update_compose(){
-if [[ ${NO_UPDATE_COMPOSE} == "y" ]]; then
-  echo -e "\e[33mNot fetching latest docker-compose, please check for updates manually!\e[0m"
-  return 0
-elif [[ -e /etc/alpine-release ]]; then
-  echo -e "\e[33mNot fetching latest docker-compose, because you are using Alpine Linux without glibc support. Please update docker-compose via apk!\e[0m"
-  return 0
-else
-  if [ ! $FORCE ]; then
-    read -r -p "Do you want to update your docker-compose Version? It will automatic upgrade your docker-compose installation (recommended)? [y/N] " updatecomposeresponse 
-    if [[ ! "${updatecomposeresponse}" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
-      echo "OK, not updating docker-compose."
-      return 0
-    fi
-  fi 
-  echo -e "\e[32mFetching new docker-compose version...\e[0m"
-  echo -e "\e[32mTrying to determine GLIBC version...\e[0m"
-  if ldd --version > /dev/null; then
-    GLIBC_V=$(ldd --version | grep -E '(GLIBC|GNU libc)' | rev | cut -d ' ' -f1 | rev | cut -d '.' -f2)
-    if [ ! -z "${GLIBC_V}" ] && [ ${GLIBC_V} -gt 27 ]; then
-      DC_DL_SUFFIX=
-    else
-      DC_DL_SUFFIX=legacy
-    fi
-  else
-    DC_DL_SUFFIX=legacy
-  fi
-  sleep 1
-  if [[ $(command -v pip 2>&1) && $(pip list --local 2>&1 | grep -v DEPRECATION | grep -c docker-compose) == 1 || $(command -v pip3 2>&1) && $(pip3 list --local 2>&1 | grep -v DEPRECATION | grep -c docker-compose) == 1 ]]; then
-    echo -e "\e[33mFound a docker-compose Version installed with pip!\e[0m"
-    echo -e "\e[31mPlease uninstall the pip Version of docker-compose since it doesn´t support Versions higher than 1.29.2.\e[0m"
-    sleep 2
-    echo -e "\e[33mExiting...\e[0m"
-    exit 1
-    #prevent breaking a working docker-compose installed with pip
-  elif [[ $(curl -sL -w "%{http_code}" https://www.servercow.de/docker-compose/latest.php?vers=${DC_DL_SUFFIX} -o /dev/null) == "200" ]]; then
-    LATEST_COMPOSE=$(curl -#L https://www.servercow.de/docker-compose/latest.php)
-    COMPOSE_VERSION=$(docker-compose version --short)
-    if [[ "$LATEST_COMPOSE" != "$COMPOSE_VERSION" ]]; then
-      COMPOSE_PATH=$(command -v docker-compose)
-      if [[ -w ${COMPOSE_PATH} ]]; then
-        curl -#L https://github.com/docker/compose/releases/download/v${LATEST_COMPOSE}/docker-compose-$(uname -s)-$(uname -m) > $COMPOSE_PATH
-        chmod +x $COMPOSE_PATH
+detect_docker_compose_command(){
+if ! [ "${DOCKER_COMPOSE_VERSION}" == "native" ] && ! [ "${DOCKER_COMPOSE_VERSION}" == "standalone" ]; then
+  if docker compose > /dev/null 2>&1; then
+      if docker compose version --short | grep "^2." > /dev/null 2>&1; then
+        DOCKER_COMPOSE_VERSION=native
+        COMPOSE_COMMAND="docker compose"
+        echo -e "\e[31mFound Docker Compose Plugin (native).\e[0m"
+        echo -e "\e[31mSetting the DOCKER_COMPOSE_VERSION Variable to native\e[0m"
+        sleep 2
+        echo -e "\e[33mNotice: You'll have to update this Compose Version via your Package Manager manually!\e[0m"
       else
-        echo -e "\e[33mWARNING: $COMPOSE_PATH is not writable, but new version $LATEST_COMPOSE is available (installed: $COMPOSE_VERSION)\e[0m"
-        return 1
+        echo -e "\e[31mCannot find Docker Compose with a Version Higher than 2.X.X.\e[0m" 
+        echo -e "\e[31mPlease update/install it manually regarding to this doc site: https://mailcow.github.io/mailcow-dockerized-docs/i_u_m/i_u_m_install/\e[0m"
+        exit 1
+      fi
+  elif docker-compose > /dev/null 2>&1; then
+    if ! [[ $(alias docker-compose 2> /dev/null) ]] ; then
+      if docker-compose version --short | grep "^2." > /dev/null 2>&1; then
+        DOCKER_COMPOSE_VERSION=standalone
+        COMPOSE_COMMAND="docker-compose"
+        echo -e "\e[31mFound Docker Compose Standalone.\e[0m"
+        echo -e "\e[31mSetting the DOCKER_COMPOSE_VERSION Variable to standalone\e[0m"
+        sleep 2
+        echo -e "\e[33mNotice: For an automatic update of docker-compose please use the update_compose.sh scripts located at the helper-scripts folder.[0m"
+      else
+        echo -e "\e[31mCannot find Docker Compose with a Version Higher than 2.X.X.\e[0m" 
+        echo -e "\e[31mPlease update/install regarding to this doc site: https://mailcow.github.io/mailcow-dockerized-docs/i_u_m/i_u_m_install/\e[0m"
+        exit 1
       fi
     fi
+
   else
-    echo -e "\e[33mCannot determine latest docker-compose version, skipping...\e[0m"
-    return 1
+    echo -e "\e[31mCannot find Docker Compose.\e[0m" 
+    echo -e "\e[31mPlease install it regarding to this doc site: https://mailcow.github.io/mailcow-dockerized-docs/i_u_m/i_u_m_install/\e[0m"
+    exit 1
   fi
+
+elif [ "${DOCKER_COMPOSE_VERSION}" == "native" ]; then
+  COMPOSE_COMMAND="docker compose"
+
+elif [ "${DOCKER_COMPOSE_VERSION}" == "standalone" ]; then
+  COMPOSE_COMMAND="docker-compose"
 fi
 }
 
@@ -272,6 +262,10 @@ PATH=$PATH:/opt/bin
 
 umask 0022
 
+# Unset COMPOSE_COMMAND and DOCKER_COMPOSE_VERSION Variable to be on the newest state.
+unset COMPOSE_COMMAND
+unset DOCKER_COMPOSE_VERSION
+
 for bin in curl docker git awk sha1sum; do
   if [[ -z $(command -v ${bin}) ]]; then 
   echo "Cannot find ${bin}, exiting..." 
@@ -279,13 +273,6 @@ for bin in curl docker git awk sha1sum; do
   fi  
 done
 
-if [[ -z $(command -v docker-compose) ]]; then
-  echo -e "\e[31mCannot find docker-compose Standalone.\e[0m" 
-  echo -e "\e[31mPlease install it manually regarding to this doc site: https://mailcow.github.io/mailcow-dockerized-docs/i_u_m/i_u_m_install/\e[0m"
-  sleep 3
-  exit 1;
-fi
-
 export LC_ALL=C
 DATE=$(date +%Y-%m-%d_%H_%M_%S)
 BRANCH=$(cd ${SCRIPT_DIR}; git rev-parse --abbrev-ref HEAD)
@@ -314,11 +301,22 @@ while (($#)); do
     --skip-start)
       SKIP_START=y
     ;;
+    --skip-ping-check)
+      SKIP_PING_CHECK=y
+    ;;
+    --stable)
+      CURRENT_BRANCH="$(cd ${SCRIPT_DIR}; git rev-parse --abbrev-ref HEAD)"
+      NEW_BRANCH="master"
+    ;;
     --gc)
       echo -e "\e[32mCollecting garbage...\e[0m"
       docker_garbage
       exit 0
     ;;
+    --nightly)
+      CURRENT_BRANCH="$(cd ${SCRIPT_DIR}; git rev-parse --abbrev-ref HEAD)"
+      NEW_BRANCH="nightly"
+    ;;
     --prefetch)
       echo -e "\e[32mPrefetching images...\e[0m"
       prefetch_images
@@ -328,36 +326,17 @@ while (($#)); do
       echo -e "\e[32mRunning in forced mode...\e[0m"
       FORCE=y
     ;;
-    --no-update-compose)
-      NO_UPDATE_COMPOSE=y
-    ;;
-    --update-compose)
-      LATEST_COMPOSE=$(curl -#L https://www.servercow.de/docker-compose/latest.php)
-      COMPOSE_VERSION=$(docker-compose version --short) 
-      if [[ "$LATEST_COMPOSE" != "$COMPOSE_VERSION" ]]; then
-        echo -e "\e[33mA new docker-compose Version is available: $LATEST_COMPOSE\e[0m"
-        echo -e "\e[33mYour Version is: $COMPOSE_VERSION\e[0m"
-        update_compose
-        echo -e "\e[32mYour docker-compose Version is now up to date!\e[0m" 
-      else
-      echo -e "\e[32mYour docker-compose Version is up to date! Not updating it...\e[0m" 
-      fi
-      exit 0
-    ;;
-    --skip-ping-check)
-      SKIP_PING_CHECK=y
-    ;;
     --help|-h)
-    echo './update.sh [-c|--check, --ours, --gc, --no-update-compose, --update-compose, --prefetch, --skip-start, --skip-ping-check, -f|--force, -h|--help]
+    echo './update.sh [-c|--check, --ours, --gc, --nightly, --prefetch, --skip-start, --skip-ping-check, --stable, -f|--force, -h|--help]
 
   -c|--check           -   Check for updates and exit (exit codes => 0: update available, 3: no updates)
   --ours               -   Use merge strategy option "ours" to solve conflicts in favor of non-mailcow code (local changes over remote changes), not recommended!
   --gc                 -   Run garbage collector to delete old image tags
-  --no-update-compose  -   Skip the docker-compose Updates during the mailcow Update process
-  --update-compose     -   Only run the docker-compose Update process (don´t updates your mailcow itself)
+  --nightly            -   Switch your mailcow updates to the unstable (nightly) branch. FOR TESTING PURPOSES ONLY!!!!
   --prefetch           -   Only prefetch new images and exit (useful to prepare updates)
   --skip-start         -   Do not start mailcow after update
   --skip-ping-check    -   Skip ICMP Check to public DNS resolvers (Use it only if you´ve blocked any ICMP Connections to your mailcow machine)
+  --stable             -   Switch your mailcow updates to the stable (master) branch. Default unless you changed it with --nightly.
   -f|--force           -   Force update, do not ask questions
 '
     exit 1
@@ -365,28 +344,16 @@ while (($#)); do
   shift
 done
 
-# Check if Docker-Compose is older then v2 before continuing
-if ! docker-compose version --short | grep "^2." > /dev/null 2>&1; then
-  echo -e "\e[33mYour docker-compose Version is not up to date!\e[0m"
-  echo -e "\e[33mmailcow needs docker-compose > 2.X.X!\e[0m"
-  echo -e "\e[33mYour current installed Version: $(docker-compose version --short)\e[0m"
-  sleep 3
-  update_compose
-  if [[ ! "${updatecomposeresponse}" =~ ^([yY][eE][sS]|[yY])+$ ]] && [[ ! ${FORCE} ]]; then
-     echo -e "\e[31mmailcow does not work with docker-compose < 2.X.X anymore!\e[0m"
-     echo -e "\e[31mPlease update your docker-compose manually, to run mailcow.\e[0m"
-     echo -e "\e[31mExiting...\e[0m"
-     exit 1
-  fi
-fi
-
-[[ ! -f mailcow.conf ]] && { echo "mailcow.conf is missing"; exit 1;}
 chmod 600 mailcow.conf
 source mailcow.conf
+
+detect_docker_compose_command
+
+[[ ! -f mailcow.conf ]] && { echo "mailcow.conf is missing! Is mailcow installed?"; exit 1;}
 DOTS=${MAILCOW_HOSTNAME//[^.]};
 if [ ${#DOTS} -lt 2 ]; then
   echo "MAILCOW_HOSTNAME (${MAILCOW_HOSTNAME}) is not a FQDN!"
-  echo "Please change it to a FQDN and run docker-compose down followed by docker-compose up -d"
+  echo "Please change it to a FQDN and run $COMPOSE_COMMAND down followed by $COMPOSE_COMMAND up -d"
   exit 1
 fi
 
@@ -395,6 +362,14 @@ if grep --help 2>&1 | head -n 1 | grep -q -i "busybox"; then echo "BusyBox grep
 if cp --help 2>&1 | head -n 1 | grep -q -i "busybox"; then echo "BusyBox cp detected, please install coreutils, \"apk add --no-cache --upgrade coreutils\""; exit 1; fi
 if sed --help 2>&1 | head -n 1 | grep -q -i "busybox"; then echo "BusyBox sed detected, please install gnu sed, \"apk add --no-cache --upgrade sed\""; exit 1; fi
 
+# Check if Docker Compose is older then v2 before continuing
+if ! $COMPOSE_COMMAND version --short | grep "^2." > /dev/null 2>&1; then
+  echo -e "\e[33mYour Docker Compose Version is not up to date!\e[0m"
+  echo -e "\e[33mmailcow needs Docker Compose > 2.X.X!\e[0m"
+  echo -e "\e[33mYour current installed Version: $($COMPOSE_COMMAND version --short)\e[0m"
+  exit 1
+fi
+
 CONFIG_ARRAY=(
   "SKIP_LETS_ENCRYPT"
   "SKIP_SOGO"
@@ -413,6 +388,7 @@ CONFIG_ARRAY=(
   "SNAT_TO_SOURCE"
   "SNAT6_TO_SOURCE"
   "COMPOSE_PROJECT_NAME"
+  "DOCKER_COMPOSE_VERSION"
   "SQL_PORT"
   "API_KEY"
   "API_KEY_READ_ONLY"
@@ -448,6 +424,17 @@ for option in ${CONFIG_ARRAY[@]}; do
       echo "Adding new option \"${option}\" to mailcow.conf"
       echo "COMPOSE_PROJECT_NAME=mailcowdockerized" >> mailcow.conf
     fi
+  elif [[ ${option} == "DOCKER_COMPOSE_VERSION" ]]; then
+    if ! grep -q ${option} mailcow.conf; then
+      echo "Adding new option \"${option}\" to mailcow.conf"
+      echo "# Used Docker Compose version" >> mailcow.conf
+      echo "# Switch here between native (compose plugin) and standalone" >> mailcow.conf
+      echo "# For more informations take a look at the mailcow docs regarding the configuration options." >> mailcow.conf
+      echo "# Normally this should be untouched but if you decided to use either of those you can switch it manually here." >> mailcow.conf
+      echo "# Please be aware that at least one of those variants should be installed on your maschine or mailcow will fail." >> mailcow.conf
+      echo "" >> mailcow.conf
+      echo "DOCKER_COMPOSE_VERSION=${DOCKER_COMPOSE_VERSION}" >> mailcow.conf
+    fi
   elif [[ ${option} == "DOVEADM_PORT" ]]; then
     if ! grep -q ${option} mailcow.conf; then
       echo "Adding new option \"${option}\" to mailcow.conf"
@@ -672,6 +659,82 @@ else
    fi
 fi
 
+if ! [ $NEW_BRANCH ]; then
+  echo -e "\e[33mDetecting which build your mailcow runs on...\e[0m"
+  sleep 1
+  if [ ${BRANCH} == "master" ]; then
+    echo -e "\e[32mYou are receiving stable updates (master).\e[0m"
+    echo -e "\e[33mTo change that run the update.sh Script one time with the --nightly parameter to switch to nightly builds.\e[0m"
+
+  elif [ ${BRANCH} == "nightly" ]; then
+    echo -e "\e[31mYou are receiving unstable updates (nightly). These are for testing purposes only!!!\e[0m"
+    sleep 1
+    echo -e "\e[33mTo change that run the update.sh Script one time with the --stable parameter to switch to stable builds.\e[0m"
+
+  else
+    echo -e "\e[33mYou are receiving updates from a unsupported branch.\e[0m"
+    sleep 1
+    echo -e "\e[33mThe mailcow stack might still work but it is recommended to switch to the master branch (stable builds).\e[0m"
+    echo -e "\e[33mTo change that run the update.sh Script one time with the --stable parameter to switch to stable builds.\e[0m"
+  fi
+elif [ $FORCE ]; then
+  echo -e "\e[31mYou are running in forced mode!\e[0m"
+  echo -e "\e[31mA Branch Switch can only be performed manually (monitored).\e[0m"
+  echo -e "\e[31mPlease rerun the update.sh Script without the --force/-f parameter.\e[0m"
+  sleep 1
+elif [ $NEW_BRANCH == "master" ] && [ $CURRENT_BRANCH != "master" ]; then
+  echo -e "\e[33mYou are about to switch your mailcow Updates to the stable (master) branch.\e[0m"
+  sleep 1
+  echo -e "\e[33mBefore you do: Please take a backup of all components to ensure that no Data is lost...\e[0m"
+  sleep 1
+  echo -e "\e[31mWARNING: Please see on GitHub or ask in the communitys if a switch to master is stable or not.
+  In some rear cases a Update back to master can destroy your mailcow configuration in case of Database Upgrades etc.
+  Normally a upgrade back to master should be safe during each full release. 
+  Check GitHub for Database Changes and Update only if there similar to the full release!\e[0m"
+  read -r -p "Are you sure you that want to continue upgrading to the stable (master) branch? [y/N] " response
+  if [[ ! "${response}" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
+    echo "OK. If you prepared yourself for that please run the update.sh Script with the --stable parameter again to trigger this process here."
+    exit 0
+  fi
+  BRANCH=$NEW_BRANCH
+  DIFF_DIRECTORY=update_diffs
+  DIFF_FILE=${DIFF_DIRECTORY}/diff_before_upgrade_to_master_$(date +"%Y-%m-%d-%H-%M-%S")
+  mv diff_before_upgrade* ${DIFF_DIRECTORY}/ 2> /dev/null
+  if ! git diff-index --quiet HEAD; then
+    echo -e "\e[32mSaving diff to ${DIFF_FILE}...\e[0m"
+    mkdir -p ${DIFF_DIRECTORY}
+    git diff ${BRANCH} --stat > ${DIFF_FILE}
+    git diff ${BRANCH} >> ${DIFF_FILE}
+  fi
+  echo -e "\e[32mSwitching Branch to ${BRANCH}...\e[0m"
+  git fetch origin
+  git checkout -f ${BRANCH}
+
+elif [ $NEW_BRANCH == "nightly" ] && [ $CURRENT_BRANCH != "nightly" ]; then
+  echo -e "\e[33mYou are about to switch your mailcow Updates to the unstable (nightly) branch.\e[0m"
+  sleep 1
+  echo -e "\e[33mBefore you do: Please take a backup of all components to ensure that no Data is lost...\e[0m"
+  sleep 1
+  echo -e "\e[31mWARNING: A switch to nightly is possible any time. But a switch back (to master) isn't.\e[0m"
+  read -r -p "Are you sure you that want to continue upgrading to the unstable (nightly) branch? [y/N] " response
+  if [[ ! "${response}" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
+    echo "OK. If you prepared yourself for that please run the update.sh Script with the --nightly parameter again to trigger this process here."
+    exit 0
+  fi
+  BRANCH=$NEW_BRANCH
+  DIFF_DIRECTORY=update_diffs
+  DIFF_FILE=${DIFF_DIRECTORY}/diff_before_upgrade_to_nightly_$(date +"%Y-%m-%d-%H-%M-%S")
+  mv diff_before_upgrade* ${DIFF_DIRECTORY}/ 2> /dev/null
+  if ! git diff-index --quiet HEAD; then
+    echo -e "\e[32mSaving diff to ${DIFF_FILE}...\e[0m"
+    mkdir -p ${DIFF_DIRECTORY}
+    git diff ${BRANCH} --stat > ${DIFF_FILE}
+    git diff ${BRANCH} >> ${DIFF_FILE}
+  fi
+  git fetch origin
+  git checkout -f ${BRANCH}
+fi
+
 echo -e "\e[32mChecking for newer update script...\e[0m"
 SHA1_1=$(sha1sum update.sh)
 git fetch origin #${BRANCH}
@@ -683,13 +746,6 @@ if [[ ${SHA1_1} != ${SHA1_2} ]]; then
   exit 2
 fi
 
-if [[ -f mailcow.conf ]]; then
-  source mailcow.conf
-else
-  echo -e "\e[31mNo mailcow.conf - is mailcow installed?\e[0m"
-  exit 1
-fi
-
 if [ ! $FORCE ]; then
   read -r -p "Are you sure you want to update mailcow: dockerized? All containers will be stopped. [y/N] " response
   if [[ ! "${response}" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
@@ -699,28 +755,18 @@ if [ ! $FORCE ]; then
   migrate_docker_nat
 fi
 
-LATEST_COMPOSE=$(curl -#L https://www.servercow.de/docker-compose/latest.php)
-COMPOSE_VERSION=$(docker-compose version --short)
-if [[ "$LATEST_COMPOSE" != "$COMPOSE_VERSION" ]]; then
-  echo -e "\e[33mA new docker-compose Version is available: $LATEST_COMPOSE\e[0m"
-  echo -e "\e[33mYour Version is: $COMPOSE_VERSION\e[0m"
-  update_compose
-else
-  echo -e "\e[32mYour docker-compose Version is up to date! Not updating it...\e[0m" 
-fi
-
 remove_obsolete_nginx_ports
 
 echo -e "\e[32mValidating docker-compose stack configuration...\e[0m"
 sed -i 's/HTTPS_BIND:-:/HTTPS_BIND:-/g' docker-compose.yml
 sed -i 's/HTTP_BIND:-:/HTTP_BIND:-/g' docker-compose.yml
-if ! docker-compose config -q; then
+if ! $COMPOSE_COMMAND config -q; then
   echo -e "\e[31m\nOh no, something went wrong. Please check the error message above.\e[0m"
   exit 1
 fi
 
 echo -e "\e[32mChecking for conflicting bridges...\e[0m"
-MAILCOW_BRIDGE=$(docker-compose config | grep -i com.docker.network.bridge.name | cut -d':' -f2)
+MAILCOW_BRIDGE=$($COMPOSE_COMMAND config | grep -i com.docker.network.bridge.name | cut -d':' -f2)
 while read NAT_ID; do
   iptables -t nat -D POSTROUTING $NAT_ID
 done < <(iptables -L -vn -t nat --line-numbers | grep $IPV4_NETWORK | grep -E 'MASQUERADE.*all' | grep -v ${MAILCOW_BRIDGE} | cut -d' ' -f1)
@@ -740,8 +786,8 @@ prefetch_images
 
 echo -e "\e[32mStopping mailcow...\e[0m"
 sleep 2
-MAILCOW_CONTAINERS=($(docker-compose ps -q))
-docker-compose down
+MAILCOW_CONTAINERS=($($COMPOSE_COMMAND ps -q))
+$COMPOSE_COMMAND down
 echo -e "\e[32mChecking for remaining containers...\e[0m"
 sleep 2
 for container in "${MAILCOW_CONTAINERS[@]}"; do
@@ -778,13 +824,13 @@ elif [[ ${MERGE_RETURN} == 1 ]]; then
 elif [[ ${MERGE_RETURN} != 0 ]]; then
   echo -e "\e[31m\nOh no, something went wrong. Please check the error message above.\e[0m"
   echo
-  echo "Run docker-compose up -d to restart your stack without updates or try again after fixing the mentioned errors."
+  echo "Run $COMPOSE_COMMAND up -d to restart your stack without updates or try again after fixing the mentioned errors."
   exit 1
 fi
 
 echo -e "\e[32mFetching new images, if any...\e[0m"
 sleep 2
-docker-compose pull
+$COMPOSE_COMMAND pull
 
 # Fix missing SSL, does not overwrite existing files
 [[ ! -d data/assets/ssl ]] && mkdir -p data/assets/ssl
@@ -796,7 +842,7 @@ if grep -q 'SYSCTL_IPV6_DISABLED=1' mailcow.conf; then
   echo '!! IMPORTANT !!'
   echo
   echo 'SYSCTL_IPV6_DISABLED was removed due to complications. IPv6 can be disabled by editing "docker-compose.yml" and setting "enable_ipv6: true" to "enable_ipv6: false".'
-  echo 'This setting will only be active after a complete shutdown of mailcow by running "docker-compose down" followed by "docker-compose up -d".'
+  echo 'This setting will only be active after a complete shutdown of mailcow by running $COMPOSE_COMMAND down followed by $COMPOSE_COMMAND up -d".'
   echo
   echo '!! IMPORTANT !!'
   echo
@@ -824,26 +870,55 @@ if [ -f "data/conf/rspamd/local.d/metrics.conf" ]; then
 fi
 
 # Set app_info.inc.php
-mailcow_git_version=$(git describe --tags `git rev-list --tags --max-count=1`)
+if [ ${BRANCH} == "master" ]; then
+  mailcow_git_version=$(git describe --tags `git rev-list --tags --max-count=1`)
+elif [ ${BRANCH} == "nightly" ]; then
+  mailcow_git_version=$(git rev-parse --short $(git rev-parse @{upstream}))
+  mailcow_last_git_version=""
+else
+  mailcow_git_version=$(git rev-parse --short HEAD)
+  mailcow_last_git_version=""
+fi
+
+mailcow_git_commit=$(git rev-parse origin/${BRANCH})
+mailcow_git_commit_date=$(git log -1 --format=%ci @{upstream} )
+
 if [ $? -eq 0 ]; then
   echo '<?php' > data/web/inc/app_info.inc.php
   echo '  $MAILCOW_GIT_VERSION="'$mailcow_git_version'";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_LAST_GIT_VERSION="";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_OWNER="mailcow";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_REPO="mailcow-dockerized";' >> data/web/inc/app_info.inc.php
   echo '  $MAILCOW_GIT_URL="https://github.com/mailcow/mailcow-dockerized";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_COMMIT="'$mailcow_git_commit'";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_COMMIT_DATE="'$mailcow_git_commit_date'";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_BRANCH="'$BRANCH'";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_UPDATEDAT='$(date +%s)';' >> data/web/inc/app_info.inc.php
   echo '?>' >> data/web/inc/app_info.inc.php
 else
   echo '<?php' > data/web/inc/app_info.inc.php
-  echo '  $MAILCOW_GIT_VERSION="";' >> data/web/inc/app_info.inc.php
-  echo '  $MAILCOW_GIT_URL="";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_VERSION="'$mailcow_git_version'";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_LAST_GIT_VERSION="";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_OWNER="mailcow";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_REPO="mailcow-dockerized";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_URL="https://github.com/mailcow/mailcow-dockerized";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_COMMIT="";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_GIT_COMMIT_DATE="";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_BRANCH="'$BRANCH'";' >> data/web/inc/app_info.inc.php
+  echo '  $MAILCOW_UPDATEDAT='$(date +%s)';' >> data/web/inc/app_info.inc.php
   echo '?>' >> data/web/inc/app_info.inc.php
   echo -e "\e[33mCannot determine current git repository version...\e[0m"
 fi
 
+# Set DOCKER_COMPOSE_VERSION
+sed -i 's/^DOCKER_COMPOSE_VERSION=$/DOCKER_COMPOSE_VERSION='$DOCKER_COMPOSE_VERSION'/g' mailcow.conf
+
 if [[ ${SKIP_START} == "y" ]]; then
-  echo -e "\e[33mNot starting mailcow, please run \"docker-compose up -d --remove-orphans\" to start mailcow.\e[0m"
+  echo -e "\e[33mNot starting mailcow, please run \"$COMPOSE_COMMAND up -d --remove-orphans\" to start mailcow.\e[0m"
 else
   echo -e "\e[32mStarting mailcow...\e[0m"
   sleep 2
-  docker-compose up -d --remove-orphans
+  $COMPOSE_COMMAND up -d --remove-orphans
 fi
 
 echo -e "\e[32mCollecting garbage...\e[0m"
@@ -858,4 +933,4 @@ fi
 # echo
 # git reflog --color=always | grep "Before update on "
 # echo
-# echo "Use \"git reset --hard hash-on-the-left\" and run docker-compose up -d afterwards."
+# echo "Use \"git reset --hard hash-on-the-left\" and run $COMPOSE_COMMAND up -d afterwards."