diff --git a/Dockerfile b/Dockerfile
index 34f81f4..0e71c25 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -18,6 +18,7 @@ COPY . .
 # env.ts which runs Zod validation on import.
 ENV IMMICH_API_URL="http://localhost:2283"
 ENV IMMICH_API_KEY="build-placeholder"
+ENV AUTH_SECRET="build-placeholder"
 
 RUN npm run build