diff --git a/.env.sample b/.env.sample
index 3e84dc5..b891e74 100644
--- a/.env.sample
+++ b/.env.sample
@@ -102,6 +102,9 @@ DEFAULT_QUOTA="10 GB"
 # USER_OIDC_LOGIN_ONLY=false
 # SECRET_USER_OIDC_SECRET_VERSION=v1
 
+# Image / PDF previews with Imaginary
+#COMPOSE_FILE="$COMPOSE_FILE:compose.imaginary-preview.yml"
+
 # HSTS Options
 # Uncomment this line to enable HSTS: https://docs.nextcloud.com/server/30/admin_manual/installation/harden_server.html
 #HSTS_ENABLED=1
diff --git a/compose.imaginary-preview.yml b/compose.imaginary-preview.yml
new file mode 100644
index 0000000..5ddd165
--- /dev/null
+++ b/compose.imaginary-preview.yml
@@ -0,0 +1,10 @@
+---
+version: '3.1'
+services:
+  imaginary:
+    image: nextcloud/aio-imaginary:20250822_112758
+    environment:
+      - PORT=9000
+    command: -concurrency 50 -enable-url-source -log-level debug
+    networks:
+      - internal