c_otto83 on Nostr: I'd like to provide a public Nostr relay on ftp.halifax.rwth-aachen.de, which ...

I'd like to provide a public Nostr relay on ftp.halifax.rwth-aachen.de, which currently has 20 GBit/sec of network connectivity, in addition to lots of CPU and disk space.

I have a strong preference for self-contained implementations making use of some strongly typed language (Go, Rust, Java, ...), and I'd be happy to provide some PostgreSQL backend. Could you recommend a mature implementation that is fit for the purpose?

I'm aware of https://nostr.how/en/relay-implementations, but I'd prefer some guidelines and hear from your experiences.