diff --git a/proxy/Caddyfile b/proxy/Caddyfile
index f2d151b..a245a03 100644
--- a/proxy/Caddyfile
+++ b/proxy/Caddyfile
@@ -4,6 +4,7 @@
 		output stdout
 		format console
 	}
+	auto_https disable_redirects
 }
 
 (proxy-auth) {
@@ -15,6 +16,14 @@
 	}
 }
 
+http://*.{$DOMAIN} {
+	redir https://{labels.3}.{$DOMAIN}{uri} permanent
+}
+
+http://*.{$OLD_DOMAIN} {
+	redir https://{labels.1}.{$DOMAIN}{uri} permanent
+}
+
 *.{$DOMAIN} {
 	tls {
 		dns netcup {
diff --git a/proxy/docker-compose.yaml b/proxy/docker-compose.yaml
index 7c587c9..c6e63dd 100644
--- a/proxy/docker-compose.yaml
+++ b/proxy/docker-compose.yaml
@@ -16,6 +16,7 @@ services:
       - web
     environment:
       - DOMAIN=${DOMAIN}
+      - OLD_DOMAIN=${OLD_DOMAIN}
       - LOCAL_CA_NAME=${LOCAL_CA_NAME}
       - NETCUP_CUSTOMER_NUMBER=${NETCUP_CUSTOMER_NUMBER}
       - NETCUP_API_KEY=${NETCUP_API_KEY}