diff --git a/modules/nixos/options.nix b/modules/nixos/options.nix
index 0286dec..a22712b 100644
--- a/modules/nixos/options.nix
+++ b/modules/nixos/options.nix
@@ -154,6 +154,7 @@
       glance.enable = lib.mkEnableOption "glance";
       hydra.enable = lib.mkEnableOption "hydra";
       immich.enable = lib.mkEnableOption "immich";
+      seafile.enable = lib.mkEnableOption "seafile";
       vscode-server.enable = lib.mkEnableOption "vscode-server";
       wanikani-bypass-lessons.enable = lib.mkEnableOption "wanikani-bypass-lessons";
       wanikani-fetch-data.enable = lib.mkEnableOption "wanikani-fetch-data";
diff --git a/modules/nixos/services/default.nix b/modules/nixos/services/default.nix
index 3143a49..1877f47 100644
--- a/modules/nixos/services/default.nix
+++ b/modules/nixos/services/default.nix
@@ -14,6 +14,7 @@
     ./jellyfin.nix
     ./mailserver.nix
     ./nginx.nix
+    ./seafile.nix
     ./syncthing.nix
     ./tailscale.nix
     ./vaultwarden.nix
diff --git a/modules/nixos/services/seafile.nix b/modules/nixos/services/seafile.nix
new file mode 100644
index 0000000..759bd03
--- /dev/null
+++ b/modules/nixos/services/seafile.nix
@@ -0,0 +1,71 @@
+{ config, lib, ... }:
+
+{
+  config = lib.mkMerge [
+    (lib.mkIf config.osbmModules.services.seafile.enable {
+      services.seafile = {
+        enable = true;
+        adminEmail = "osbm@osbm.dev";
+        initialAdminPassword = "changeme";
+        seafileSettings = {
+          fileserver = {
+            host = "unix:/run/seafile/server.sock";
+          };
+        };
+      };
+    })
+
+    # seafile and nginx
+    (lib.mkIf (config.osbmModules.services.nginx.enable && config.osbmModules.services.seafile.enable) {
+      services.nginx.virtualHosts."seafile.osbm.dev" = {
+        forceSSL = true;
+        enableACME = true;
+        locations = {
+          "/" = {
+            proxyPass = "http://unix:/run/seahub/gunicorn.sock";
+            extraConfig = ''
+              proxy_set_header   Host $host;
+              proxy_set_header   X-Real-IP $remote_addr;
+              proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
+              proxy_set_header   X-Forwarded-Host $server_name;
+              proxy_read_timeout  1200s;
+              client_max_body_size 0;
+            '';
+          };
+          "/seafhttp" = {
+            proxyPass = "http://unix:/run/seafile/server.sock";
+            extraConfig = ''
+              rewrite ^/seafhttp(.*)$ $1 break;
+              client_max_body_size 0;
+              proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
+              proxy_connect_timeout  36000s;
+              proxy_read_timeout  36000s;
+              proxy_send_timeout  36000s;
+              send_timeout  36000s;
+            '';
+          };
+        };
+      };
+    })
+
+    # impermanence and seafile
+    (lib.mkIf
+      (
+        config.osbmModules.services.seafile.enable
+        && config.osbmModules.hardware.disko.zfs.root.impermanenceRoot
+      )
+      {
+        environment.persistence."/persist" = {
+          directories = [
+            {
+              directory = "/var/lib/seafile";
+              user = config.services.seafile.user;
+              group = config.services.seafile.group;
+              mode = "0750";
+            }
+          ];
+        };
+      }
+    )
+  ];
+}