diff --git a/docker-compose.yml b/docker-compose.yml
index bb85ac3..fab095d 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -11,6 +11,8 @@ services:
     configs:
       - source: app_config
         target: /data/application.yaml
+    environment:
+      REPLICA: "{{.Task.Slot}}"
 
     labels:
       - "traefik.http.routers.expertisa-master.rule=HostRegexp(`(?i)master\\..+`)"
@@ -18,8 +20,8 @@ services:
       - "traefik.http.services.expertisa-master.loadbalancer.healthcheck.path=/health/readiness"
       - "traefik.http.services.expertisa-master.loadbalancer.healthcheck.interval=5s"
 
-      - "traefik.http.routers.expertisa-master-{{.Task.Slot}}.rule=HostRegexp(`(?i)master-{{.Task.Slot}}\\..+`)"
-      - "traefik.http.routers.expertisa-master-{{.Task.Slot}}.tls=true"
+      - "traefik.http.routers.expertisa-master-${REPLICA}.rule=HostRegexp(`(?i)master-${REPLICA}\\..+`)"
+      - "traefik.http.routers.expertisa-master-${REPLICA}.tls=true"
 
     environment:
       JAVA_TOOL_OPTIONS: "-XX:MaxRAMPercentage=90"