diff --git a/hosts/bekkalokk/configuration.nix b/hosts/bekkalokk/configuration.nix
index 358c43eb..d08c91fa 100644
--- a/hosts/bekkalokk/configuration.nix
+++ b/hosts/bekkalokk/configuration.nix
@@ -13,7 +13,7 @@
     ./services/nginx.nix
     ./services/gitea/default.nix
     ./services/webmail
-    # ./services/mediawiki.nix
+    ./services/mediawiki.nix
   ];
 
   sops.defaultSopsFile = ../../secrets/bekkalokk/bekkalokk.yaml;
diff --git a/hosts/bekkalokk/services/mediawiki.nix b/hosts/bekkalokk/services/mediawiki.nix
index 1caea970..ee751999 100644
--- a/hosts/bekkalokk/services/mediawiki.nix
+++ b/hosts/bekkalokk/services/mediawiki.nix
@@ -1,4 +1,4 @@
-{ pkgs, lib, config, values, ... }: let
+{ pkgs, lib, config, values, pkgs-unstable, ... }: let
   cfg = config.services.mediawiki;
 
   # "mediawiki"
@@ -13,7 +13,7 @@ in {
       owner = user;
       group = group;
     };
-    "keys/postgres/mediawiki" = {
+    "mediawiki/database" = {
       restartUnits = [ "mediawiki-init.service" "phpfpm-mediawiki.service" ];
       owner = user;
       group = group;
@@ -30,7 +30,7 @@ in {
       type = "postgres";
       host = "postgres.pvv.ntnu.no";
       port = config.services.postgresql.port;
-      passwordFile = config.sops.secrets."keys/postgres/mediawiki".path;
+      passwordFile = config.sops.secrets."mediawiki/database".path;
       createLocally = false;
       # TODO: create a normal database and copy over old data when the service is production ready
       name = "mediawiki_test";
@@ -61,35 +61,45 @@ in {
 
     extensions = {
       DeleteBatch = pkgs.fetchzip {
-        url = "https://extdist.wmflabs.org/dist/extensions/DeleteBatch-REL1_39-995ea6f.tar.gz";
-	sha256 = "sha256-0F4GLCy2f5WcWIY2YgF1tVxgYbglR0VOsj/pMrW93b8=";
+        name = "mediawiki-delete-batch-source";
+        url = "https://extdist.wmflabs.org/dist/extensions/DeleteBatch-REL1_40-4fe36dc.tar.gz";
+	hash = "sha256-jmRkjHFQR9cjPr1eBHVDLHm0xO4OPn9HYiYwrkBT/aA=";
       };
       UserMerge = pkgs.fetchzip {
-        url = "https://extdist.wmflabs.org/dist/extensions/UserMerge-REL1_39-b10d50e.tar.gz";
-	sha256 = "sha256-bXhj1+OlOUJDbvEuc8iwqb1LLEu6cN6+C/7cAvnWPOQ=";
+        name = "mediawiki-user-merge-source";
+        url = "https://extdist.wmflabs.org/dist/extensions/UserMerge-REL1_40-7407806.tar.gz";
+	hash = "sha256-NHAw79pDxjia46J5DIGV9AoF9UazSahT8DZgUUn/pQE=";
       };
       PluggableAuth = pkgs.fetchzip {
-        url = "https://extdist.wmflabs.org/dist/extensions/PluggableAuth-REL1_39-1210fc3.tar.gz";
-	sha256 = "sha256-F6bTMCzkK3kZwZGIsNE87WlZWqXXmTMhEjApO99YKR0=";
+        name = "mediawiki-pluggable-auth-source";
+        url = "https://extdist.wmflabs.org/dist/extensions/PluggableAuth-REL1_40-eb10a76.tar.gz";
+	hash = "sha256-GFmtQc0SeBpvI+7iHOVw77JR2h+hwPxo8+wZ9RED8a8=";
       };
       SimpleSAMLphp = pkgs.fetchzip {
-        url = "https://extdist.wmflabs.org/dist/extensions/SimpleSAMLphp-REL1_39-dcf0acb.tar.gz";
-        sha256 = "sha256-tCvFmb2+q2rxms+lRo5pgoI3h6GjCwXAR8XisPg03TQ=";
+        name = "mediawiki-simple-saml-php-source";
+        url = "https://extdist.wmflabs.org/dist/extensions/SimpleSAMLphp-REL1_40-8043943.tar.gz";
+        hash = "sha256-HJHcrv/FNqPJegrHo4VPVjw0alkyHwetFZiLwjHsf6Y=";
       };
     };
 
     extraConfig = let
-
-      SimpleSAMLphpRepo = pkgs.stdenvNoCC.mkDerivation rec {
+      SimpleSAMLphpRepo = pkgs-unstable.php.buildComposerProject rec {
         pname = "configuredSimpleSAML";
-	version = "2.0.4";
-        src = pkgs.fetchzip {
-          url = "https://github.com/simplesamlphp/simplesamlphp/releases/download/v${version}/simplesamlphp-${version}.tar.gz";
-          sha256 = "sha256-pfMV/VmqqxgtG7Nx4s8MW4tWSaxOkVPtCRJwxV6RDSE=";
+	version = "2.1.0-rc1";
+        src = pkgs.fetchFromGitHub {
+          owner = "simplesamlphp";
+          repo = "simplesamlphp";
+          # name = "simple-saml-php-source";
+          # url = "https://github.com/simplesamlphp/simplesamlphp/releases/download/v${version}/simplesamlphp-${version}.tar.gz";
+          rev = "v${version}";
+          hash = "sha256-E7S6T/EfuhNbe697OiklZ77wMRkOb/ABJXoL5MphMCY=";
         };
 
-	buildPhase = ''
-          cat > config/authsources.php << EOF
+        composerStrictValidation = false;
+
+	vendorHash = "sha256-vr9mWXN9v6tGNvPtxQ+pgf7OYj8dedzWfxt6Xw1nCm0=";
+
+        configAuthsourcesPhp = ''
           <?php
           $config = array(
             'default-sp' => array(
@@ -97,11 +107,51 @@ in {
               'idp' => 'https://idp.pvv.ntnu.no/',
             ),
           );
-	  EOF
-	'';
+        '';
 
-	installPhase = ''
-	  cp -r . $out
+        # TODO: this could be fetched automagically with these:
+        #   - https://simplesamlphp.org/docs/contrib_modules/metarefresh/simplesamlphp-automated_metadata.html
+        #   - https://idp.pvv.ntnu.no/simplesaml/saml2/idp/metadata.php
+        metadataSaml20IdpRemotePhp = ''
+          <?php
+          $metadata['https://idp.pvv.ntnu.no/'] = array (
+            'metadata-set' => 'saml20-idp-remote',
+            'entityid' => 'https://idp.pvv.ntnu.no/',
+            'SingleSignOnService' =>
+            array (
+              0 =>
+              array (
+                'Binding' => 'urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Redirect',
+                'Location' => 'https://idp.pvv.ntnu.no/simplesaml/saml2/idp/SSOService.php',
+              ),
+            ),
+            'SingleLogoutService' =>
+            array (
+              0 =>
+              array (
+                'Binding' => 'urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Redirect',
+                'Location' => 'https://idp.pvv.ntnu.no/simplesaml/saml2/idp/SingleLogoutService.php',
+              ),
+            ),
+            'certData' => 'pvvcert.pem',
+            'NameIDFormat' => 'urn:oasis:names:tc:SAML:2.0:nameid-format:transient',
+          );
+        '';
+
+        pvvcert = ''
+          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
+        '';
+
+        passAsFile = [
+          "configAuthsourcesPhp"
+          "metadataSaml20IdpRemotePhp"
+          "pvvcert"
+        ];
+
+	postPatch = ''
+          install -Dm444 "$configAuthsourcesPhpPath" "config/authsources.php"
+          install -Dm444 "$metadataSaml20IdpRemotePhpPath" "metadata/saml20-idp-remote.php"
+          install -Dm444 "$pvvcertPath" "cert/pvvcert.pem"
 	'';
       };
 
@@ -172,4 +222,23 @@ in {
 
     ${pkgs.php}/bin/php ${pkg}/share/mediawiki/maintenance/update.php --conf ${mediawikiConfig} --quick
   '';
+
+  services.nginx.virtualHosts."bekkalokk.pvv.ntnu.no" = {
+    forceSSL = true;
+    enableACME = true;
+    root = "${config.services.mediawiki.finalPackage}/share/mediawiki";
+    locations =  {
+      "/" = {
+        extraConfig = ''
+          fastcgi_split_path_info ^(.+\.php)(/.+)$;
+          fastcgi_index index.php;
+          fastcgi_pass unix:${config.services.phpfpm.pools.mediawiki.socket};
+          include ${pkgs.nginx}/conf/fastcgi_params;
+          include ${pkgs.nginx}/conf/fastcgi.conf;
+        '';
+      };
+
+      "/images".root = config.services.mediawiki.uploadsDir;
+    };
+  };
 }