Update ES version to 7.3.0

Author: olivere

.travis.yml

@@ -3,7 +3,7 @@ language: go
 go:
 - "1.11.x"
 - "1.12.x"
-# - tip
+- tip
 matrix:
   allow_failures:
   - go: tip
@@ -21,7 +21,6 @@ services:
 before_install:
 - if [[ "$TRAVIS_OS_NAME" == "linux" && ! $(which nc) ]] ; then sudo apt-get install -y netcat ; fi
 - sudo sysctl -w vm.max_map_count=262144
-# - docker run -d --rm -p 9200:9200  -e "http.host=0.0.0.0" -e "transport.host=127.0.0.1" -e "bootstrap.memory_lock=true" -e "ES_JAVA_OPTS=-Xms1g -Xmx1g" docker.elastic.co/elasticsearch/elasticsearch:7.2.0 elasticsearch -Enetwork.host=_local_,_site_ -Enetwork.publish_host=_local_
 - docker-compose pull
 - docker-compose up -d
 - go get -u github.com/google/go-cmp/cmp

docker-compose.yml

@@ -2,7 +2,7 @@ version: '3'
 
 services:
   elasticsearch:
-    image: docker.elastic.co/elasticsearch/elasticsearch-oss:7.2.0
+    image: docker.elastic.co/elasticsearch/elasticsearch-oss:7.3.0
     hostname: elasticsearch
     environment:
       - cluster.name=elasticsearch
@@ -27,7 +27,7 @@ services:
     ports:
       - 9200:9200
   platinum:
-    image: docker.elastic.co/elasticsearch/elasticsearch:7.2.0
+    image: docker.elastic.co/elasticsearch/elasticsearch:7.3.0
     hostname: elasticsearch-platinum
     environment:
       - cluster.name=platinum