740162752/elasticsearch repository overview

docker run -d --name elastic -p 9200:9200 740162752/elasticsearch:6.8.1

ERROR: [1] bootstrap checks failed. You must address the points described in the following [1] lines before starting Elasticsearch.
bootstrap check failure [1] of [1]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]

sysctl -w vm.max_map_count=262144