diff --git a/docker-compose.example.yml b/docker-compose.example.yml
index 4e44cc9..7a9d7ac 100644
--- a/docker-compose.example.yml
+++ b/docker-compose.example.yml
@@ -8,6 +8,7 @@ services:
       network: 'host'
     environment:
       - APP_URL=https://domain.com
+      - JWT_SIGNING_SECRET=secret
     ports:
       - '80:8080'
     restart: 'always'
\ No newline at end of file