diff --git a/init.sh b/init.sh
index 6afe4a8..f6ba60a 100644
--- a/init.sh
+++ b/init.sh
@@ -1,5 +1,9 @@
 #!/bin/sh
 
+PEER_0_NAME=${PEER_0_NAME:-peer-0}
+PEER_1_NAME=${PEER_1_NAME:-peer-1}
+PEER_2_NAME=${PEER_2_NAME:-peer-2}
+
 envsubst < /etc/haproxy/haproxy.template.cfg > /etc/haproxy/haproxy.cfg
 
 exec "$@"