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nostr-rs-relay

This is a nostr relay, written in Rust. It currently supports the entire relay protocol, and persists data with SQLite.

The project master repository is available on sourcehut, and is mirrored on GitHub.

builds.sr.ht status

Features

NIPs with a relay-specific implementation are listed here.

Quick Start

The provided Dockerfile will compile and build the server application. Use a bind mount to store the SQLite database outside of the container image, and map the container's 8080 port to a host port (7000 in the example below).

The examples below start a rootless podman container, mapping a local data directory and config file.

$ podman build -t nostr-rs-relay .

$ mkdir data

$ podman unshare chown 100:100 data

$ podman run -it --rm -p 7000:8080 \
  --user=100:100 \
  -v $(pwd)/data:/usr/src/app/db:Z \
  -v $(pwd)/config.toml:/usr/src/app/config.toml:ro,Z \
  --name nostr-relay nostr-rs-relay:latest

Nov 19 15:31:15.013  INFO nostr_rs_relay: Starting up from main
Nov 19 15:31:15.017  INFO nostr_rs_relay::server: listening on: 0.0.0.0:8080
Nov 19 15:31:15.019  INFO nostr_rs_relay::server: db writer created
Nov 19 15:31:15.019  INFO nostr_rs_relay::server: control message listener started
Nov 19 15:31:15.019  INFO nostr_rs_relay::db: Built a connection pool "event writer" (min=1, max=4)
Nov 19 15:31:15.019  INFO nostr_rs_relay::db: opened database "/usr/src/app/db/nostr.db" for writing
Nov 19 15:31:15.019  INFO nostr_rs_relay::schema: DB version = 0
Nov 19 15:31:15.054  INFO nostr_rs_relay::schema: database pragma/schema initialized to v7, and ready
Nov 19 15:31:15.054  INFO nostr_rs_relay::schema: All migration scripts completed successfully.  Welcome to v7.
Nov 19 15:31:15.521  INFO nostr_rs_relay::db: Built a connection pool "client query" (min=4, max=128)

Use a nostr client such as noscl to publish and query events.

$ noscl publish "hello world"
Sent to 'ws://localhost:8090'.
Seen it on 'ws://localhost:8090'.
$ noscl home
Text Note [81cf...2652] from 296a...9b92 5 seconds ago
  hello world

A pre-built container is also available on DockerHub: https://hub.docker.com/r/scsibug/nostr-rs-relay

Configuration

The sample config.toml file demonstrates the configuration available to the relay. This file is optional, but may be mounted into a docker container like so:

$ docker run -it -p 7000:8080 \
  --mount src=$(pwd)/config.toml,target=/usr/src/app/config.toml,type=bind \
  --mount src=$(pwd)/data,target=/usr/src/app/db,type=bind \
  nostr-rs-relay

Options include rate-limiting, event size limits, and network address settings.

Reverse Proxy Configuration

For examples of putting the relay behind a reverse proxy (for TLS termination, load balancing, and other features), see Reverse Proxy.

Dev Channel

For development discussions, please feel free to use the sourcehut mailing list. Or, drop by the Nostr Telegram Channel.

To chat about nostr-rs-relay on nostr itself; visit our channel on anigma or another client that supports NIP-28 chats:

  • 2ad246a094fee48c6e455dd13d759d5f41b5a233120f5719d81ebc1935075194

License

This project is MIT licensed.