diff --git a/deploy/dokku.sh b/deploy/dokku.sh
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+++ b/deploy/dokku.sh
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+#!/usr/bin/env sh
+
+# This script used to automatically deploy dokku
+# global wildcard domain's certificate.
+# If your dokku global domain is dokku.example.com
+# and you dokku app is domains-app-enabled
+# and the app heve domains like dokku.example.com
+# *.dokku.example.com, this script will
+# automatic execute `dokku certs:update app <certs`
+# to enable and update the app SSL certificate.
+
+# DOKKU_SSL_DOCUMENTATION='http://dokku.viewdocs.io/dokku/configuration/ssl/'
+
+########  Public functions #####################
+
+# domain keyfile certfile cafile fullchain
+dokku_deploy() {
+  _cdomain="$1"
+  _ckey="$2"
+  _ccert="$3"
+  _cca="$4"
+  _cfullchain="$5"
+
+  _debug _cdomain "$_cdomain"
+  _debug _ckey "$_ckey"
+  _debug _ccert "$_ccert"
+  _debug _cca "$_cca"
+  _debug _cfullchain "$_cfullchain"
+
+  temp_dir=$(mktemp -d -t cert_pack-XXXXXX)
+  _debug "Create temp dir at $temp_dir"
+  cd "$temp_dir" || return 1
+  cp "$_cfullchain" "server.crt"
+  cp "$_ckey" "server.key"
+  _debug "Create cert-key.tar at temp dir"
+  tar cf cert-key.tar server.crt server.key
+
+  _debug "Get dokku app list"
+  apps=$(dokku apps:list --quiet)
+  _debug "Dokku apps: $apps"
+
+  _debug "Find domain $_cdomain in dokku domain enabled apps"
+  for app in $apps; do
+    app_enable=$(dokku domains:report "$app" --domains-app-enabled)
+    if [[ $app_enable == "true" ]]; then
+      app_vhosts=$(dokku domains:report "$app" --domains-app-vhosts)
+      _debug "App '$app' domains: $app_vhosts"
+      for domain in $app_vhosts; do
+        if [[ $domain == "$_cdomain" || $domain == *.$_cdomain ]]; then
+          _debug "Update dokku app '$app' cert"
+          dokku certs:update "$app" <cert-key.tar
+          _debug "Dokku app '$app' cert update finished"
+          break
+        fi
+      done
+    fi
+  done
+
+  cd - || return 0
+  _debug "Remove temp dir: $temp_dir"
+  rm -rf "$temp_dir"
+  _debug "Clean."
+  _debug "Deploy finish."
+
+  return 0
+
+}