Elasticsearch is a distributed, open source search and analytics engine for all types of data, including textual, numerical, geospatial, structured, and unstructured.
||-Xms400m -Xmx400m||Sets the memory usage of the Elasticsearch container. Both values need be the same value or Elasticsearch will not start cleanly|
On Linux-based systems, the start of the Elasticsearch container may fail due to a low
elasticsearch_1 | ERROR:  bootstrap checks failed elasticsearch_1 | : max virtual memory areas vm.max_map_count  is too low, increase to at least