diff --git a/modules/nixos/services/aria/default.nix b/modules/nixos/services/aria/default.nix
index 2d1b3e2..15bb5e8 100644
--- a/modules/nixos/services/aria/default.nix
+++ b/modules/nixos/services/aria/default.nix
@@ -71,6 +71,8 @@ in
       };
     };
 
+    # FIXME: persistence?
+
     # NOTE: unfortunately aria2 does not log connection failures for fail2ban
   };
 }
diff --git a/modules/nixos/services/audiobookshelf/default.nix b/modules/nixos/services/audiobookshelf/default.nix
index da9ec55..cb7bc08 100644
--- a/modules/nixos/services/audiobookshelf/default.nix
+++ b/modules/nixos/services/audiobookshelf/default.nix
@@ -36,6 +36,8 @@ in
       };
     };
 
+    # FIXME: persistence?
+
     services.fail2ban.jails = {
       audiobookshelf = ''
         enabled = true
diff --git a/modules/nixos/services/flood/default.nix b/modules/nixos/services/flood/default.nix
index f3fe90b..23154ed 100644
--- a/modules/nixos/services/flood/default.nix
+++ b/modules/nixos/services/flood/default.nix
@@ -28,6 +28,8 @@ in
       };
     };
 
+    # FIXME: persistence?
+
     # NOTE: unfortunately flood does not log connection failures for fail2ban
   };
 }
diff --git a/modules/nixos/services/grocy/default.nix b/modules/nixos/services/grocy/default.nix
index 9045b03..67de377 100644
--- a/modules/nixos/services/grocy/default.nix
+++ b/modules/nixos/services/grocy/default.nix
@@ -37,6 +37,9 @@ in
       useACMEHost = config.networking.domain;
     };
 
+    # FIXME: backup
+    # FIXME: persistence
+
     # NOTE: unfortunately grocy does not log connection failures for fail2ban
   };
 }
diff --git a/modules/nixos/services/mealie/default.nix b/modules/nixos/services/mealie/default.nix
index 664d5ba..4eb6977 100644
--- a/modules/nixos/services/mealie/default.nix
+++ b/modules/nixos/services/mealie/default.nix
@@ -72,6 +72,9 @@ in
       };
     };
 
+    # FIXME: backup
+    # FIXME: persistence
+
     services.fail2ban.jails = {
       mealie = ''
         enabled = true
diff --git a/modules/nixos/services/miniflux/default.nix b/modules/nixos/services/miniflux/default.nix
index 400ae00..7bcfe30 100644
--- a/modules/nixos/services/miniflux/default.nix
+++ b/modules/nixos/services/miniflux/default.nix
@@ -49,6 +49,9 @@ in
       };
     };
 
+    # FIXME: backup
+    # FIXME: persistence
+
     services.fail2ban.jails = {
       miniflux = ''
         enabled = true
diff --git a/modules/nixos/services/pyload/default.nix b/modules/nixos/services/pyload/default.nix
index 88889bf..4e8e083 100644
--- a/modules/nixos/services/pyload/default.nix
+++ b/modules/nixos/services/pyload/default.nix
@@ -53,6 +53,9 @@ in
       };
     };
 
+    # FIXME: backup
+    # FIXME: persistence
+
     # FIXME: fail2ban
   };
 }
diff --git a/modules/nixos/services/tandoor-recipes/default.nix b/modules/nixos/services/tandoor-recipes/default.nix
index 3447bee..6282769 100644
--- a/modules/nixos/services/tandoor-recipes/default.nix
+++ b/modules/nixos/services/tandoor-recipes/default.nix
@@ -83,6 +83,9 @@ in
       };
     };
 
+    # FIXME: backup
+    # FIXME: persistence
+
     # NOTE: unfortunately tandoor-recipes does not log connection failures for fail2ban
   };
 }
diff --git a/modules/nixos/services/vikunja/default.nix b/modules/nixos/services/vikunja/default.nix
index 2753da3..575ddab 100644
--- a/modules/nixos/services/vikunja/default.nix
+++ b/modules/nixos/services/vikunja/default.nix
@@ -100,6 +100,8 @@ in
       ];
     };
 
+    # FIXME: persistence
+
     # NOTE: unfortunately vikunja does not log connection failures for fail2ban
   };
 }
diff --git a/modules/nixos/services/woodpecker/server/default.nix b/modules/nixos/services/woodpecker/server/default.nix
index adf533e..5d25284 100644
--- a/modules/nixos/services/woodpecker/server/default.nix
+++ b/modules/nixos/services/woodpecker/server/default.nix
@@ -61,5 +61,7 @@ in
         port = cfg.rpcPort;
       };
     };
+
+    # FIXME: persistence
   };
 }