general update oon docker config

project/service/shlink/shlink.yml

@@ -7,6 +7,8 @@ services:
     container_name: shlink-backend
     ports:
       - '4004:8080'
+    networks:
+      - ip6net
     volumes:
       - ${SERVICE_PATH}/shlink/data:/usr/share/tesseract-ocr/4.00/tessdata #Required for extra OCR languages
       - ${SERVICE_PATH}/shlink/config:/configs
@@ -41,6 +43,8 @@ services:
     container_name: shlink-frontend
     ports:
       - '4005:8080'
+    networks: 
+      - ip6net
     environment:
       SHLINK_SERVER_URL: https://shlink.${PUBLIC_DOMAIN}
       SHLINK_SERVER_API_KEY: ${SHLINK_SERVER_API_KEY}