diff --git a/.gitignore b/.gitignore
index 9211050..9e6ac1b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 .env.local
 _copy_to_traefik/tls
 **/app.env
+ddns-updater/config.json
diff --git a/ddns-updater/config.json.local b/ddns-updater/config.json.local
new file mode 100644
index 0000000..142ffb5
--- /dev/null
+++ b/ddns-updater/config.json.local
@@ -0,0 +1,14 @@
+{
+    "settings": [
+      {
+        "provider": "cloudflare",
+        "zone_identifier": "grab from zone overview page",
+        "domain": "fqdn of dynamic hostname",
+        "proxied": false,
+        "ttl": 600,
+        "token": "cloudflare DNS token",
+        "ip_version": "ipv4",
+        "ipv6_suffix": ""
+      }
+    ]
+  }
diff --git a/ddns-updater/docker-compose.yml b/ddns-updater/docker-compose.yml
new file mode 100644
index 0000000..9d0218d
--- /dev/null
+++ b/ddns-updater/docker-compose.yml
@@ -0,0 +1,39 @@
+services:
+  ddns-updater:
+    environment:
+      USER_UID: "${SZ_USER_UID}"
+      USER_GID: "${SZ_USER_GID}"
+    # user: "${SZ_USER_UID}"
+
+    # environment:
+    #   - CONFIG=
+    #   - PERIOD=5m
+    #   - UPDATE_COOLDOWN_PERIOD=5m
+    #   - PUBLICIP_FETCHERS=all
+    #   - PUBLICIP_HTTP_PROVIDERS=all
+    #   - PUBLICIPV4_HTTP_PROVIDERS=all
+    #   - PUBLICIPV6_HTTP_PROVIDERS=all
+    #   - PUBLICIP_DNS_PROVIDERS=all
+    #   - PUBLICIP_DNS_TIMEOUT=3s
+    #   - HTTP_TIMEOUT=10s
+
+    #   # Web UI
+    #   - LISTENING_ADDRESS=:8000
+    #   - ROOT_URL=/
+
+    #   # Backup
+    #   - BACKUP_PERIOD=0 # 0 to disable
+    #   - BACKUP_DIRECTORY=/updater/data
+
+    #   # Other
+    #   - LOG_LEVEL=info
+    #   - LOG_CALLER=hidden
+    #   - SHOUTRRR_ADDRESSES=
+    # restart: always
+
+    volumes:
+    #- dummy:/updater/data:ro
+    - type: bind
+      source: ${ROOT_FOLDER_HOST}/user-config/${APP_ID}/config.json
+      target: /updater/data/config.json
+      read_only: true
diff --git a/ddns-updater/local.app.env b/ddns-updater/local.app.env
new file mode 100644
index 0000000..9b24410
--- /dev/null
+++ b/ddns-updater/local.app.env
@@ -0,0 +1,2 @@
+SZ_USER_UID=<UID>
+SZ_USER_GID=<GID>