highcharts / highcharts/node-export-server

Kubernetes probe causes ECONNRESET

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Description

Running this in a Kubernetes environment with K8s probe(s) configured, such as
```
livenessProbe:
httpGet:
path: /health
port: 7801
timeoutSeconds: 60
```
causes errors to be logged, seemingly upon each probe.

Example:
```
Mon Jun 02 2025 13:24:11 GMT+0000 [verbose] - [health.js] GET /health [200] - returning server health.
Mon Jun 02 2025 13:24:11 GMT+0000 [error] - [server] Client error: read ECONNRESET, destroying socket.
Error: read ECONNRESET
at TCP.onStreamRead (node:internal/stream_base_commons:217:20)
Mon Jun 02 2025 13:24:11 GMT+0000 [error] - [server] Socket error: read ECONNRESET
Error: read ECONNRESET
at TCP.onStreamRead (node:internal/stream_base_commons:217:20)
```

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