Use ES5

projects/north-america/docker-compose.yml

@@ -79,7 +79,7 @@ services:
       - "./pelias.json:/code/pelias.json"
       - "${DATA_DIR}:/data"
   elasticsearch:
-    image: pelias/elasticsearch
+    image: pelias/elasticsearch:5.6.12
     container_name: pelias_elasticsearch
     restart: always
     environment: [ "ES_JAVA_OPTS=-Xmx8g" ]

projects/north-america/pelias.json

@@ -4,6 +4,7 @@
     "timestamp": false
   },
   "esclient": {
+    "apiVersion": "5.6",
     "hosts": [
       { "host": "elasticsearch" }
     ]