Update to Elasticsearch 7.1.1 (laradock#2179)

* Update Elasticsearch to 7.1.1
* Removed unnecessary quotes

Author: airguillaume

docker-compose.yml

@@ -662,8 +662,10 @@ services:
         - elasticsearch:/usr/share/elasticsearch/data
       environment:
         - cluster.name=laradock-cluster
+        - node.name=laradock-node
         - bootstrap.memory_lock=true
         - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
+        - cluster.initial_master_nodes=laradock-node
       ulimits:
         memlock:
           soft: -1
@@ -1531,4 +1533,4 @@ services:
       depends_on:
         - postgres
       volumes:
-        - ${DATA_PATH_HOST}/Confluence:/var/atlassian/application-data
+        - ${DATA_PATH_HOST}/Confluence:/var/atlassian/application-data

elasticsearch/Dockerfile

@@ -1,3 +1,3 @@
-FROM docker.elastic.co/elasticsearch/elasticsearch:6.6.0
+FROM docker.elastic.co/elasticsearch/elasticsearch:7.1.1
 
 EXPOSE 9200 9300