diff --git a/.drone.yml b/.drone.yml
index fd961dd..53f8b02 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -35,6 +35,10 @@ steps:
       - cd /mnt/md0/infra/pi-hole
       - git pull
       - make restart
+  - name: cleanup
+    commands:
+      - cd /mnt/md0/infra/pi-hole
+      - make cleanup
 
 trigger:
   branch:
diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..73069d4
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,10 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_style = space
+indent_size = 2
+trim_trailing_whitespace = true
+insert_final_newline = true
+max_line_length = 100
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..b195b12
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,19 @@
+MIT License Copyright (c) 2021 fedy95
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice (including the next
+paragraph) shall be included in all copies or substantial portions of the
+Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
+OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/Makefile b/Makefile
index 518ac6c..e616097 100644
--- a/Makefile
+++ b/Makefile
@@ -12,7 +12,11 @@ lint-yaml:
 	$(LINT-YAML-CMD) docker-compose.yml
 
 restart:
-	docker-compose -f docker-compose.yml down
-	docker-compose -f docker-compose.yml up -d
+	docker-compose -f docker-compose.yml pull
+	docker-compose -f docker-compose.yml restart
+
+cleanup:
+	docker system prune --all --force
+	docker system prune --volumes --force
 
 .DEFAULT_GOAL := lint
diff --git a/README.md b/README.md
index ade5a33..e24f426 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,6 @@
-### pi-hole
-[![Build Status](https://drone.fedy95.com/api/badges/infra/pi-hole/status.svg)](https://drone.fedy95.com/infra/pi-hole)
+### pi-hole [![Build Status](https://drone.fedy95.com/api/badges/infra/pi-hole/status.svg)](https://drone.fedy95.com/infra/pi-hole)
+
+---
 
 ### services
 - [docker-pi-hole](https://github.com/pi-hole/docker-pi-hole)
@@ -8,10 +9,10 @@
 ### run
 ```shell script
 # for check a port 53
-netstat -ntlp | grep LISTEN 
+netstat -ntlp | grep LISTEN
 
 # resolv.conf
-ll /etc/resolv.conf 
+ll /etc/resolv.conf
 lrwxrwxrwx 1 root root 39 Apr 23 07:33 /etc/resolv.conf -> ../run/systemd/resolve/stub-resolv.conf
 
 sudo sed -r -i.orig 's/#?DNSStubListener=yes/DNSStubListener=no/g' /etc/systemd/resolved.conf
@@ -62,4 +63,4 @@ nslookup flurry.com
 : flurry.com
 Addresses:  ::
 0.0.0.0
-```
\ No newline at end of file
+```