diff --git a/5.5/Dockerfile b/5.5/Dockerfile
index cf31041..58c3003 100644
--- a/5.5/Dockerfile
+++ b/5.5/Dockerfile
@@ -1,8 +1,8 @@
 FROM debian:11-slim
 
-ENV EMQX_VERSION=5.5.0
-ENV AMD64_SHA256=31af6514bcd30cab68272e1ff9553f652520cf82afed8894b3c4fe0fae55da88
-ENV ARM64_SHA256=45f46c99ae9561aac13b25f909df6ac1f971d4ce4aa594ff3711a1c95e8d9d9e
+ENV EMQX_VERSION=5.5.1
+ENV AMD64_SHA256=8bac2886987a632aab1c738aa3de28684b415d3b1e1f9489b458c819254673a6
+ENV ARM64_SHA256=8b962ad8beea50fb92dc0b93d2ab8a5064752147b70bbf46fd221bc4cc29c32d
 ENV LC_ALL=C.UTF-8 LANG=C.UTF-8
 
 RUN set -eu; \
diff --git a/5.5/docker-entrypoint.sh b/5.5/docker-entrypoint.sh
index 8e96a6b..458e96c 100755
--- a/5.5/docker-entrypoint.sh
+++ b/5.5/docker-entrypoint.sh
@@ -15,28 +15,31 @@ LOCAL_IP=$(hostname -i | grep -oE '((25[0-5]|(2[0-4]|1[0-9]|[1-9]|)[0-9])\.){3}(
 
 export EMQX_NAME="${EMQX_NAME:-emqx}"
 
-if [[ -z "$EMQX_HOST" ]]; then
-    if [[ "$EMQX_CLUSTER__DISCOVERY_STRATEGY" == "dns" ]] && \
-        [[ "$EMQX_CLUSTER__DNS__RECORD_TYPE" == "srv" ]] && \
-        grep -q "$(hostname).$EMQX_CLUSTER__DNS__NAME" /etc/hosts; then
-            EMQX_HOST="$(hostname).$EMQX_CLUSTER__DNS__NAME"
-    elif [[ "$EMQX_CLUSTER__DISCOVERY_STRATEGY" == "k8s" ]] && \
-        [[ "$EMQX_CLUSTER__K8S__ADDRESS_TYPE" == "dns" ]] && \
-        [[ -n "$EMQX_CLUSTER__K8S__NAMESPACE" ]]; then
-            EMQX_CLUSTER__K8S__SUFFIX=${EMQX_CLUSTER__K8S__SUFFIX:-"pod.cluster.local"}
-            EMQX_HOST="${LOCAL_IP//./-}.$EMQX_CLUSTER__K8S__NAMESPACE.$EMQX_CLUSTER__K8S__SUFFIX"
-    elif [[ "$EMQX_CLUSTER__DISCOVERY_STRATEGY" == "k8s" ]] && \
-        [[ "$EMQX_CLUSTER__K8S__ADDRESS_TYPE" == 'hostname' ]] && \
-        [[ -n "$EMQX_CLUSTER__K8S__NAMESPACE" ]]; then
-            EMQX_CLUSTER__K8S__SUFFIX=${EMQX_CLUSTER__K8S__SUFFIX:-'svc.cluster.local'}
-            EMQX_HOST=$(grep -h "^$LOCAL_IP" /etc/hosts | grep -o "$(hostname).*.$EMQX_CLUSTER__K8S__NAMESPACE.$EMQX_CLUSTER__K8S__SUFFIX")
-    else
-        EMQX_HOST="$LOCAL_IP"
+## EMQX_NODE_NAME or EMQX_NODE__NAME to indicate the full node name to be used by EMQX
+## If both are set EMQX_NODE_NAME takes higher precedence than EMQX_NODE__NAME
+if [[ -z "${EMQX_NODE_NAME:-}" ]] && [[ -z "${EMQX_NODE__NAME:-}" ]]; then
+    # No node name is provide from environment variables
+    # try to resolve from other settings
+    if [[ -z "$EMQX_HOST" ]]; then
+        if [[ "$EMQX_CLUSTER__DISCOVERY_STRATEGY" == "dns" ]] && \
+            [[ "$EMQX_CLUSTER__DNS__RECORD_TYPE" == "srv" ]] && \
+            grep -q "$(hostname).$EMQX_CLUSTER__DNS__NAME" /etc/hosts; then
+                EMQX_HOST="$(hostname).$EMQX_CLUSTER__DNS__NAME"
+        elif [[ "$EMQX_CLUSTER__DISCOVERY_STRATEGY" == "k8s" ]] && \
+            [[ "$EMQX_CLUSTER__K8S__ADDRESS_TYPE" == "dns" ]] && \
+            [[ -n "$EMQX_CLUSTER__K8S__NAMESPACE" ]]; then
+                EMQX_CLUSTER__K8S__SUFFIX=${EMQX_CLUSTER__K8S__SUFFIX:-"pod.cluster.local"}
+                EMQX_HOST="${LOCAL_IP//./-}.$EMQX_CLUSTER__K8S__NAMESPACE.$EMQX_CLUSTER__K8S__SUFFIX"
+        elif [[ "$EMQX_CLUSTER__DISCOVERY_STRATEGY" == "k8s" ]] && \
+            [[ "$EMQX_CLUSTER__K8S__ADDRESS_TYPE" == 'hostname' ]] && \
+            [[ -n "$EMQX_CLUSTER__K8S__NAMESPACE" ]]; then
+                EMQX_CLUSTER__K8S__SUFFIX=${EMQX_CLUSTER__K8S__SUFFIX:-'svc.cluster.local'}
+                EMQX_HOST=$(grep -h "^$LOCAL_IP" /etc/hosts | grep -o "$(hostname).*.$EMQX_CLUSTER__K8S__NAMESPACE.$EMQX_CLUSTER__K8S__SUFFIX")
+        else
+            EMQX_HOST="$LOCAL_IP"
+        fi
+        export EMQX_HOST
     fi
-    export EMQX_HOST
-fi
-
-if [[ -z "$EMQX_NODE_NAME" ]]; then
     export EMQX_NODE_NAME="$EMQX_NAME@$EMQX_HOST"
 fi