Develop against a recent Elasticsearch version

Author: danielberkompas

docker-compose.yml

@@ -7,7 +7,8 @@ services:
     environment:
       POSTGRES_HOST_AUTH_METHOD: "trust"
   elasticsearch:
-    image: docker.elastic.co/elasticsearch/elasticsearch:6.8.13
+    image: docker.elastic.co/elasticsearch/elasticsearch:7.10.2
+    # image: docker.elastic.co/elasticsearch/elasticsearch:6.8.13
     environment:
       - node.name=es01
       - bootstrap.memory_lock=true