diff --git a/docker-compose.yml.sample b/docker-compose.yml.sample
index 3ff2b20786ef5c9e020a63d07d7c26582036521d..d10b47073744ad1d56719d1e267ba93557f6de0a 100644
--- a/docker-compose.yml.sample
+++ b/docker-compose.yml.sample
@@ -34,6 +34,7 @@ services:
       - "traefik.http.middlewares.hardening.headers.stsPreload=true"
       - "traefik.http.middlewares.hardening.headers.referrerPolicy=no-referrer"
       - "traefik.http.middlewares.hardening.headers.customFrameOptionsValue=SAMEORIGIN"
+      - "traefik.http.middlewares.xforwardedproto.headers.customrequestheaders.X-Forwarded-Proto=https"