diff --git a/Dockerfile b/Dockerfile
index b8e9f62..663f102 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,10 @@
-FROM hazelcast/hazelcast:3.12.10
+FROM hazelcast/hazelcast:3.8.3
 
 # Копируем файлы конфигурации в контейнер
 COPY ./hazelcast.xml /opt/hazelcast/
 COPY ./jmx_agent_config.yaml /opt/prometheus/
 
-ENV JAVA_OPTS="-Dhazelcast.config=/opt/hazelcast/hazelcast.xml -Dhazelcast.jmx=true -Djava.rmi.server.hostname=onaintdata1"
+ENV JAVA_OPTS="-Dhazelcast.config=/opt/hazelcast/hazelcast.xml -Dhazelcast.jmx=true -Djava.rmi.server.hostname=127.0.0.1"
 ENV PROMETHEUS_PORT=9100
 ENV PROMETHEUS_CONFIG="/opt/prometheus/jmx_agent_config.yaml"
 ENV MIN_HEAP_SIZE=1228m
diff --git a/hazelcast.xml b/hazelcast.xml
index 2efe06f..05804ee 100644
--- a/hazelcast.xml
+++ b/hazelcast.xml
@@ -1,17 +1,15 @@
-<hazelcast xsi:schemaLocation="http://www.hazelcast.com/schema/config hazelcast-config-3.12.xsd"
-           xmlns="http://www.hazelcast.com/schema/config"
-           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<hazelcast xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.hazelcast.com/schema/config http://www.hazelcast.com/schema/config/hazelcast-config-3.8.xsd" xmlns="http://www.hazelcast.com/schema/config">
     <group>
         <name>superadmin</name>
         <password>dev-pass</password>
     </group>
     <network>
-        <public-address>onaintdata1</public-address>
+        <public-address>127.0.0.1</public-address>
         <port auto-increment="false">5701</port>
         <join>
             <multicast enabled="false"></multicast>
             <tcp-ip enabled="true">
-                <member>onaintdata1:5701</member>
+                <member>127.0.0.1:5701</member>
             </tcp-ip>
         </join>
     </network>