chore: split precheck and upgrade zealot task in docker mode

docker/rootfs/etc/cont-init.d/20-init-zealot

@@ -6,19 +6,21 @@ cd /app
 rm -f tmp/pids/.pid
 mkdir -p tmp/pids tmp/cache tmp/uploads tmp/sockets log
 
-echo "!!!!!!!!!!!! BREAKING CHANGES !!!!!!!!!!!!"
-echo "Zealot removes -> redis <- dependency, refactors backup feature completely."
-echo "If you have any problems with running, please refer to: https://github.com/tryzealot/zealot/pull/1318"
-echo "!!!!!!!!!!!! BREAKING CHANGES !!!!!!!!!!!!"
+echo ""
+echo "Zealot 6.0 is comming soon, here is some changes: "
+echo " * redis is not requires as a dependency, you can remove it saftly."
+echo " * NEW WEB UI desgin rewrite, feedback is welcome with any issue."
+echo " * Swagger API explorer is buit-in."
+echo ""
 
 if [ -n "$REDIS_URL" ]; then
   echo
   case $REDIS_URL in
     *redis:*|localhost:*|127.0.0.1:*)
-      echo "-> Detected REDIS_URL and redis service, you can remove redis service and the variable."
+      echo "[WARN] Detected REDIS_URL and redis service, you can remove redis service and the variable."
       ;;
     *)
-      echo "-> Detected REDIS_URL variable, you can remove the variable."
+      echo "[WARN] Detected REDIS_URL variable, you can remove the variable."
       ;;
   esac
 fi

docker/rootfs/etc/cont-init.d/30-zealot-upgrade

@@ -0,0 +1,5 @@
+#!/usr/bin/with-contenv sh
+
+cd /app
+./bin/rails zealot:upgrade
+exit 0

docker/rootfs/etc/cont-init.d/31-zealot-precheck

@@ -0,0 +1,4 @@
+#!/usr/bin/with-contenv sh
+
+cd /app
+./bin/rails zealot:precheck

lib/tasks/zealot/zealot.rake

@@ -30,8 +30,9 @@ namespace :zealot do
           fail smtp_validator.error_message
           exit!
         end
+        echo "SMTP verified successful"
       else
-        puts "smtp is not configure, skip"
+        puts "SMTP is not configure, skip"
       end
     end
   end