{
  flake,
  config,
  pkgs,
  lib,
  ...
}: let
  psCfg = config.pub-solar;
  xdg = config.home-manager.users."${psCfg.user.name}".xdg;
  backupDir = "/var/lib/firefly/backup";
in {
  age.secrets."firefly-secrets.env" = {
    file = "${flake.self}/secrets/firefly-secrets.env";
    mode = "600";
  };

  age.secrets."firefly-db-secrets.env" = {
    file = "${flake.self}/secrets/firefly-db-secrets.env";
    mode = "600";
  };

  age.secrets."firefly-importer-secrets.env" = {
    file = "${flake.self}/secrets/firefly-importer-secrets.env";
    mode = "600";
  };

  services.caddy = {
    enable = true;
    extraConfig = ''
      firefly.b12f.io:80 {
        reverse_proxy localhost:8080
      }
      firefly-importer.b12f.io:80 {
        reverse_proxy localhost:8081
      }
    '';
  };

  systemd.services."docker-network-firefly" = let
    docker = config.virtualisation.oci-containers.backend;
    dockerBin = "${pkgs.${docker}}/bin/${docker}";
  in {
    serviceConfig.Type = "oneshot";
    before = ["docker-firefly.service"];
    script = ''
      ${dockerBin} network inspect firefly >/dev/null 2>&1 || ${dockerBin} network create firefly --subnet 172.20.0.0/24
    '';
  };

  virtualisation = {
    oci-containers = {
      backend = "docker";

      containers."firefly" = {
        image = "fireflyiii/core:latest";
        autoStart = true;
        volumes = [
          "/var/lib/firefly/upload:/var/www/html/storage/upload"
        ];
        extraOptions = [ "--network=firefly" ];
        environmentFiles = [
          ./.env.firefly
          config.age.secrets."firefly-secrets.env".path
        ];
        ports = [ "8080:8080" ];
        dependsOn = [ "firefly-db" ];
      };

      containers."firefly-db" = {
        image = "postgres:16";
        autoStart = true;
        volumes = [
          "/var/lib/firefly/db:/var/lib/postgresql/data"
        ];
        extraOptions = [ "--network=firefly" ];
        environmentFiles = [
          config.age.secrets."firefly-db-secrets.env".path
        ];
      };

      containers."firefly-importer" = {
        image = "fireflyiii/data-importer:latest";
        autoStart = true;
        extraOptions = [ "--network=firefly" ];
        ports = [ "8081:8080" ];
        environment = {
          FIREFLY_III_URL = "http://firefly.b12f.io/";
        };
        environmentFiles = [
          ./.env.firefly-importer
          config.age.secrets."firefly-importer-secrets.env".path
        ];
        dependsOn = [ "firefly" ];
      };

      # containers."cron" = {
      #   image = "alpine";
      #   autoStart = true;
      #   command = ''sh -c "echo \"0 3 * * * wget -qO- http://firefly:8080/api/v1/cron/REPLACEME\" | crontab - && crond -f -L /dev/stdout"'';
      #   extraOptions = [ "--network=firefly" ];
      # };
    };
  };

  systemd.tmpfiles.rules = [
    "d '${backupDir}' 0700 root root - -"
  ];

  services.restic.backups = {
    firefly = {
      paths = [
        backupDir
        "/var/lib/firefly/upload"
      ];
      initialize = true;
      passwordFile = config.age.secrets."restic-password.age".path;
      # See https://www.hosting.de/blog/verschluesselte-backups-mit-rclone-und-restic-in-nextcloud/
      repository = "rclone:cloud.pub.solar:/backups/FireflyIII";
      backupPrepareCommand = ''
        ${pkgs.docker-client}/bin/docker exec -t firefly-db pg_dumpall -c -U firefly > "${backupDir}/postgres.sql"
      '';
      rcloneConfigFile = config.age.secrets."rclone-pie.conf".path;
    };
  };
}