Added internal database network

Cypht/docker-compose.yml

@@ -20,9 +20,13 @@ services:
       - ${PWD}/app_data:/var/lib/hm3/app_data
     labels:
       - "traefik.enable=true"
+      - "traefik.docker.network=webproxy"
       - "traefik.frontend.rule=Host:mail.${DOMAIN}"
     depends_on:
       - cypht_db
+    networks:
+      - default
+      - database
   cypht_db:
     container_name: cypht_db
     image: mariadb:10
@@ -35,7 +39,11 @@ services:
       - MYSQL_PASSWORD=${DB_PASS}
     volumes:
       - ${PWD}/mysql:/var/lib/mysql
+    networks:
+      - database
 networks:
   default:
       external:
-        name: webproxy
+        name: webproxy
+  database:
+      internal: true