{...}: {
  dinit.enable = true;
  init.services.attic.shutdownOnExit = true;

  services.attic = {
    enable = true;

    settings = {
      # The '+" is to explicitly denote the end of the Vals expression.
      # This is done because we quote the template for the toml file.
      # See: https://github.com/helmfile/vals?tab=readme-ov-file#expression-syntax
      # database.url = "ref+sops://secrets.yml#attic/databaseURL+";
      database = {};

      storage = {
        type = "local";
        path = "/var/lib/atticd/storage";
      };

      listen = "[::]:8080";

      # Data chunking
      #
      # Warning: If you change any of the values here, it will be
      # difficult to reuse existing chunks for newly-uploaded NARs
      # since the cutpoints will be different. As a result, the
      # deduplication ratio will suffer for a while after the change.
      chunking = {
        # The minimum NAR size to trigger chunking
        #
        # If 0, chunking is disabled entirely for newly-uploaded NARs.
        # If 1, all NARs are chunked.
        nar-size-threshold = 64 * 1024; # 64 KiB

        # The preferred minimum size of a chunk, in bytes
        min-size = 16 * 1024; # 16 KiB

        # The preferred average size of a chunk, in bytes
        avg-size = 64 * 1024; # 64 KiB

        # The preferred maximum size of a chunk, in bytes
        max-size = 256 * 1024; # 256 KiB
      };
    };
  };
}