About the undocumented SQLD_HEARTBEAT_URL

[leo-petrucci]

First of all thank you for Libsql! It's been very fun to mess around with and I'm hoping to make it central to my own stack.

I started experimenting with the Docker image and noticed the logs kept mentioning something about an undefined heartbeat url. After some digging in the codebase I discovered the ENV SQLD_HEARTBEAT_URL.

I tried to set it and while libsql-server does seem to find it:

2025-01-12T21:34:56.201098Z INFO libsql_server: Server sending heartbeat to URL https://11895tjht5.execute-api.eu-west-1.amazonaws.com/prod every 30s

I'm not seeing any hits on my endpoint.

Did I try to implement an unfinished feature or is this a legitimate bug?