As mentioned in the official Elasticsearch Guide (https://www.elastic.co/guide/en/elasticsearch/reference/current/docker.html#_notes_for_production_use_and_defaults), we must configure the node running Elasticsearch in a certain way when deploying on production. For instance:
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By default, Elasticsearch uses a mmapfs directory to store its indices. However, most systems set a limit of 65530 on mmap counts, which means Elasticsearch may run out of memory for its indices. If we do not change this setting, you'll encounter the following error when trying to run Elasticsearch:
[INFO ][o.e.b.BootstrapChecks ] [6tcspAO] bound or publishing to a non-loopback address, enforcing bootstrap checksERROR: [1] bootstrap ...
