services: setup microbin service

hosts/hades/default.nix

@@ -76,6 +76,12 @@ in {
       secretConfigFile = config.age.secrets."matrix-synapse/secret-config".path;
     };
 
+    microbin = {
+      enable = true;
+      privatePort = 8088;
+      passwordFile = config.age.secrets."microbin/secret-config".path;
+    };
+
     miniflux = {
       enable = true;
       adminCredentialsFile = config.age.secrets."miniflux/admin-credentials".path;

hosts/hades/secrets.nix

@@ -21,6 +21,8 @@
           owner = "matrix-synapse";
         };
 
+        "microbin/secret-config" = {};
+
         "miniflux/admin-credentials" = {};
 
         "nextcloud/admin-pass" = {

modules/secrets/secrets.nix

@@ -18,6 +18,8 @@ in {
 
   "matrix-synapse/secret-config.age".publicKeys = [alarsyo hades];
 
+  "microbin/secret-config.age".publicKeys = [alarsyo hades];
+
   "miniflux/admin-credentials.age".publicKeys = [alarsyo hades];
 
   "nextcloud/admin-pass.age".publicKeys = [alarsyo hades];

services/microbin.nix

@@ -0,0 +1,78 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  inherit
+    (lib)
+    mkEnableOption
+    mkIf
+    mkOption
+    ;
+
+  cfg = config.my.services.microbin;
+
+  domain = config.networking.domain;
+  hostname = config.networking.hostName;
+  fqdn = "${hostname}.${domain}";
+in {
+  options.my.services.microbin = let
+    inherit (lib) types;
+  in {
+    enable = mkEnableOption "MicroBin file sharing app";
+
+    privatePort = mkOption {
+      type = types.nullOr types.port;
+      default = null;
+      example = 8080;
+      description = "Port to serve the app";
+    };
+
+    passwordFile = mkOption {
+      type = types.nullOr types.path;
+      default = null;
+      description = "See NixOS module description";
+    };
+  };
+
+  config = mkIf cfg.enable {
+    services.microbin = {
+      enable = true;
+      settings = {
+        MICROBIN_PORT = cfg.privatePort;
+        MICROBIN_BIND = "127.0.0.1";
+        MICROBIN_PUBLIC_PATH = "https://drop.${domain}/";
+        MICROBIN_READONLY = true;
+        MICROBIN_THREADS = 2;
+        MICROBIN_GC_DAYS = 0; # turn off GC
+        MICROBIN_QR = true;
+        MICROBIN_ETERNAL_PASTA = true;
+        MICROBIN_DEFAULT_EXPIRY = "1week";
+        MICROBIN_DISABLE_TELEMETRY = true;
+      };
+      passwordFile = cfg.passwordFile;
+    };
+
+    my.services.restic-backup = {
+      paths = [
+        config.services.microbin.dataDir
+      ];
+    };
+
+    services.nginx = {
+      virtualHosts = {
+        "drop.${domain}" = {
+          forceSSL = true;
+          useACMEHost = fqdn;
+
+          locations."/" = {
+            proxyPass = "http://127.0.0.1:${toString cfg.privatePort}";
+          };
+        };
+      };
+    };
+
+    security.acme.certs.${fqdn}.extraDomainNames = ["drop.${domain}"];
+  };
+}