added build & push

todo

@@ -0,0 +1,9 @@
+complete internal SSL key generation and injection
+complete relay SSL key generation and injection (manual for distribution to relay)
+recipe: how to add a domain (dns, postfix virtual domains, webapp, z-push)
+bareos mysql backup (mysqldump, or database shutdown during backup)
+remove all etc volume mounts
+kopano server and database tuning
+check logging for all containers
+remove passwords from gitlab & docker
+baloghs.de migration