switch json block in env to be map syntax for formatting

core/docker-compose.yml

@@ -111,18 +111,22 @@ services:
     ports:
       - "8000:8000/tcp"
     environment:
-      - TZ=America/Edmonton
-      - PERIOD=5m
-     # --- NEW IP DISCOVERY SETTINGS ---
-      - PUBLICIP_FETCHERS=http       # Use web services to find your IP
-      - PUBLICIP_HTTP_PROVIDERS=all  # Use any available service (ipify, etc.)
-      # ---------------------------------
-      
-      # The Variable Injection
-      # Format: provider, host, username, password
-      # For deSEC: username IS the domain name.
-      # CONFIGURATION (Must be JSON format)
-      - CONFIG='{"settings": [{"provider": "desec", "domain": "${DESEC_DOMAIN}", "host": "@", "password": "${DESEC_TOKEN}", "ip_version": "ipv4"}]}'
+      TZ: America/Edmonton
+      PERIOD: 5m
+      PUBLICIP_FETCHERS: http
+      PUBLICIP_HTTP_PROVIDERS: all
+      CONFIG: >-
+        {
+          "settings": [
+            {
+              "provider": "desec",
+              "domain": "${DESEC_DOMAIN}",
+              "host": "@",
+              "password": "${DESEC_TOKEN}",
+              "ip_version": "ipv4"
+            }
+          ]
+        }
       
     volumes:
       - /docker/core/ddns:/updater/data