volumes and depends_on clauses

docker-compose.yml

@@ -1,74 +1,81 @@
-namenode:
-  image: bde2020/hadoop-namenode:1.1.0-hadoop2.7.1
-  hostname: namenode
-  container_name: namenode
-  domainname: hadoop
-  net: hadoop
-  volumes:
-    - ./data/namenode:/hadoop/dfs/name
-  environment:
-    - CLUSTER_NAME=test
-  env_file:
-    - ./hadoop.env
+version: "2"
 
-resourcemanager:
-  image: bde2020/hadoop-resourcemanager:1.1.0-hadoop2.7.1
-  hostname: resourcemanager
-  container_name: resourcemanager
-  domainname: hadoop
-  net: hadoop
-  env_file:
-    - ./hadoop.env
+services:
+  namenode:
+    image: bde2020/hadoop-namenode:1.1.0-hadoop2.7.1-java8
+    container_name: namenode
+    volumes:
+      - hadoop_namenode:/hadoop/dfs/name
+    environment:
+      - CLUSTER_NAME=test
+    env_file:
+      - ./hadoop.env
   
-historyserver:
-  image: bde2020/hadoop-historyserver:1.1.0-hadoop2.7.1
-  hostname: historyserver
-  container_name: historyserver
-  domainname: hadoop
-  net: hadoop
-  volumes:
-    - ./data/historyserver:/hadoop/yarn/timeline
-  env_file:
-    - ./hadoop.env
+  resourcemanager:
+    image: bde2020/hadoop-resourcemanager:1.1.0-hadoop2.7.1-java8
+    container_name: resourcemanager
+    depends_on:
+      - namenode
+      - datanode1
+      - datanode2
+    env_file:
+      - ./hadoop.env
   
-nodemanager1:
-  image: bde2020/hadoop-nodemanager:1.1.0-hadoop2.7.1
-  hostname: nodemanager1
-  container_name: nodemanager1
-  domainname: hadoop
-  net: hadoop
-  env_file:
-    - ./hadoop.env
+  historyserver:
+    image: bde2020/hadoop-historyserver:1.1.0-hadoop2.7.1-java8
+    container_name: historyserver
+    depends_on:
+      - namenode
+      - datanode1
+      - datanode2
+    volumes:
+      - hadoop_historyserver:/hadoop/yarn/timeline
+    env_file:
+      - ./hadoop.env
   
-datanode1:
-  image: bde2020/hadoop-datanode:1.1.0-hadoop2.7.1
-  hostname: datanode1
-  container_name: datanode1
-  domainname: hadoop
-  net: hadoop
-  volumes:
-    - ./data/datanode1:/hadoop/dfs/data
-  env_file:
-    - ./hadoop.env
+  nodemanager1:
+    image: bde2020/hadoop-nodemanager:1.1.0-hadoop2.7.1-java8
+    container_name: nodemanager1
+    depends_on:
+      - namenode
+      - datanode1
+      - datanode2
+    env_file:
+      - ./hadoop.env
   
-datanode2:
-  image: bde2020/hadoop-datanode:1.1.0-hadoop2.7.1
-  hostname: datanode2
-  container_name: datanode2
-  domainname: hadoop
-  net: hadoop
-  volumes:
-    - ./data/datanode2:/hadoop/dfs/data
-  env_file:
-    - ./hadoop.env
+  datanode1:
+    image: bde2020/hadoop-datanode:1.1.0-hadoop2.7.1-java8
+    container_name: datanode1
+    depends_on:
+      - namenode
+    volumes:
+      - hadoop_datanode1:/hadoop/dfs/data
+    env_file:
+      - ./hadoop.env
   
-datanode3:
-  image: bde2020/hadoop-datanode:1.1.0-hadoop2.7.1
-  hostname: datanode3
-  container_name: datanode3
-  domainname: hadoop
-  net: hadoop
-  volumes:
-    - ./data/datanode3:/hadoop/dfs/data
-  env_file:
-    - ./hadoop.env
+  datanode2:
+    image: bde2020/hadoop-datanode:1.1.0-hadoop2.7.1-java8
+    container_name: datanode2
+    depends_on:
+      - namenode
+    volumes:
+      - hadoop_datanode2:/hadoop/dfs/data
+    env_file:
+      - ./hadoop.env
+  
+  datanode3:
+    image: bde2020/hadoop-datanode:1.1.0-hadoop2.7.1-java8
+    container_name: datanode3
+    depends_on:
+      - namenode
+    volumes:
+      - hadoop_datanode3:/hadoop/dfs/data
+    env_file:
+      - ./hadoop.env
+
+volumes:
+  hadoop_namenode:
+  hadoop_datanode1:
+  hadoop_datanode2:
+  hadoop_datanode3:
+  hadoop_historyserver: