parsedmarc container is failing to establish connection with elasticsearch and continuously restarting.

[kkin1995]

The parsedmarc container is continuously throwing this exception and then restarting shortly afterwards.

parsedmarc_1     | elasticsearch.exceptions.ConnectionError: ConnectionError(<urllib3.connection.HTTPConnection object at 0x7a72bff966a0>: Failed to establish a new connection: [Errno -3] Try again) caused by: NewConnectionError(<urllib3.connection.HTTPConnection object at 0x7a72bff966a0>: Failed to establish a new connection: [Errno -3] Try again)

Also, in the Grafana dashboard, the following error pop-up is being thrown in the top right corner:

Templating
Template variable service failed Elasticsearch error: Bad Gateway