Redis

Redis is an in-memory data structure store used as a database, cache, and message broker.

Unix socket

Redis supports the usage of Unix socket to listen to connections. By default, Redis listens to connections over TCP on port 6379. When using Unix socket, you can decide to either enable listening on both or disable listening on TCP by setting port to 0 (recommended).

# Inside `process-compose.<name>`
{
  services.redis."r1" = {
    enable = true;
    port = 0;
    # relative paths are relative to the data directory, which is `$PWD/data/r1` by default
    unixSocket = "./redis.sock";
  };
}

Usage example

https://github.com/juspay/services-flake/blob/main/nix/services/redis_test.nix