Add post-receive hook

README.md

@@ -21,3 +21,5 @@ $ gpg -ear key@dmeiburg.de .env
 git remote add dmeiburg ssh://root@dmeiburg.de:/root/git/container.git
 git push dmeiburg
 ```
+
+Make sure  `post-receive` hook is installed in the bare repository.

post-receive

@@ -0,0 +1,24 @@
+#!/bin/sh
+#
+# This hook updates the working repository on dmeiburg.de
+# It is meant to update the docker configs of my servers.
+
+WORK_TREE=~/container
+
+# get changed folders
+changed=`GIT_WORK_TREE=$WORK_TREE git diff --dirstat=files,0 HEAD | cut -f3 -d' '`
+
+# update files in working direcotry
+GIT_WORK_TREE=~/container git checkout -f
+
+# restart changed docker compose stacks
+for app in $changed; do
+	cd $WORK_TREE/$changed
+
+	# decrypt .env
+	[ -f .env.asc ] && gpg -d env.asc > .env
+
+	docker compose down	
+	docker compose up -d
+done
+exit