diff --git a/.env b/.env
index a6bea88b0..c205935b7 100644
--- a/.env
+++ b/.env
@@ -45,6 +45,7 @@ _APP_SMTP_SECURE=
 _APP_SMTP_USERNAME=
 _APP_SMTP_PASSWORD=
 _APP_STORAGE_LIMIT=30000000
+_APP_STORAGE_PREVIEW_LIMIT=20000000
 _APP_FUNCTIONS_SIZE_LIMIT=30000000
 _APP_FUNCTIONS_TIMEOUT=900
 _APP_FUNCTIONS_BUILD_TIMEOUT=900
diff --git a/app/views/install/compose.phtml b/app/views/install/compose.phtml
index 0780e5128..bdc961f54 100644
--- a/app/views/install/compose.phtml
+++ b/app/views/install/compose.phtml
@@ -103,6 +103,7 @@ services:
       - _APP_INFLUXDB_HOST
       - _APP_INFLUXDB_PORT
       - _APP_STORAGE_LIMIT
+      - _APP_STORAGE_PREVIEW_LIMIT
       - _APP_STORAGE_ANTIVIRUS
       - _APP_STORAGE_ANTIVIRUS_HOST
       - _APP_STORAGE_ANTIVIRUS_PORT