memory leak in pgToElastic

[Vanuan]

https://github.com/datagovua/edrpou-uploader/blob/master/pgToElastic.js

wait-for-it.sh: waiting 100 seconds for elasticsearch:9200
wait-for-it.sh: elasticsearch:9200 is available after 51 seconds
error { [error: out of memory]
  name: 'error',
  length: 88,
  severity: 'ERROR',
  code: '53200',
  detail: 'Failed on request of size 8344.',
  hint: undefined,
  position: undefined,
  internalPosition: undefined,
  internalQuery: undefined,
  where: undefined,
  schema: undefined,
  table: undefined,
  column: undefined,
  dataType: undefined,
  constraint: undefined,
  file: 'mcxt.c',
  line: '832',
  routine: 'palloc' }