diff --git a/dockerfiles/elk/docker-compose.yml b/dockerfiles/elk/docker-compose.yml
index 82d0f1c..2791cdd 100644
--- a/dockerfiles/elk/docker-compose.yml
+++ b/dockerfiles/elk/docker-compose.yml
@@ -1,46 +1,64 @@
-version: '2'
+version: '2.2'
 services:
-    elasticsearch:
-        image: docker.elastic.co/elasticsearch/elasticsearch:7.0.1
-        # container_name: elasticsearch
-        hostname: elasticsearch
-        ports:
-        - "9200:9200"
-        - "9300:9300"
-        volumes:
-        - elastic-data:/usr/share/elasticsearch/data
-        environment:
-        - node.name=elasticsearch
-        - discovery.type=single-node
-        # - discovery.seed_hosts=elasticsearch
-        # - cluster.initial_master_nodes=es01,es02
-        # - cluster.name=docker-cluster
-        - bootstrap.memory_lock=true
-        - "ES_JAVA_OPTS=-Xms2g -Xmx2g"
-        ulimits:
-            memlock:
-                soft: -1
-                hard: -1
+  es01:
+    image: docker.elastic.co/elasticsearch/elasticsearch:7.4.1
+    container_name: es01
+    hostname: es01
+    environment:
+      - node.name=es01
+      - discovery.seed_hosts=es02
+      - cluster.initial_master_nodes=es01,es02
+      - cluster.name=docker-cluster
+      - bootstrap.memory_lock=true
+      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
+    ulimits:
+      memlock:
+        soft: -1
+        hard: -1
+    volumes:
+      - esdata01:/usr/share/elasticsearch/data
+    ports:
+      - 9200:9200
+    networks:
+      - esnet
+  es02:
+    image: docker.elastic.co/elasticsearch/elasticsearch:7.4.1
+    container_name: es02
+    hostname: es02
+    environment:
+      - node.name=es02
+      - discovery.seed_hosts=es01
+      - cluster.initial_master_nodes=es01,es02
+      - cluster.name=docker-cluster
+      - bootstrap.memory_lock=true
+      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
+    ulimits:
+      memlock:
+        soft: -1
+        hard: -1
+    volumes:
+      - esdata02:/usr/share/elasticsearch/data
+    networks:
+      - esnet
 
-        networks:
-        - elk
-
-    kibana:
-        image:
-            docker.elastic.co/kibana/kibana:7.0.1
-        # container_name: kibana
-        hostname: kibana
-        ports:
-        - "5601:5601"
-        networks:
-        - elk
-        depends_on:
-        - elasticsearch
-
-networks:
-    elk:
-        driver: bridge
+  kibana:
+    image: docker.elastic.co/kibana/kibana:7.4.1
+    hostname: kibana
+    environment:
+      SERVER_NAME: kibana
+      ELASTICSEARCH_HOSTS: http://es01:9200
+    ports:
+      - "5601:5601"
+    networks:
+      - esnet
+    depends_on:
+      - es01
 
 volumes:
-    elastic-data:
-        driver: local
+  esdata01:
+    driver: local
+  esdata02:
+    driver: local
+
+networks:
+  esnet: