+ root mariadb account default extra file

* pma and inbucket port presented in docker compose example file (do not use that for prod environment with this docker structure build)

docker-compose.yml.example

@@ -55,10 +55,14 @@ services:
     extends:
       file: docker-compose.base.yml
       service: pma
+    ports:
+      - "81:80"
   inbucket:
     extends:
       file: docker-compose.base.yml
       service: inbucket
+    ports:
+      - "82:9000"
   dnsmasq:
     restart: always
     build: