diff --git a/system/server/coder.nix b/system/server/coder.nix
index 56b3d19..d3bddbe 100644
--- a/system/server/coder.nix
+++ b/system/server/coder.nix
@@ -27,7 +27,14 @@ in {
           CODER_OIDC_CLIENT_SECRET=""
           */
           extra = {
+            CODER_DISABLE_PASSWORD_AUTH = true;
+            CODER_OAUTH2_GITHUB_ALLOW_SIGNUPS = false;
+            CODER_OAUTH2_GITHUB_DEFAULT_PROVIDER_ENABLE = false;
+
             CODER_OIDC_ISSUER_URL = "https://z.jsw.tf";
+            CODER_OIDC_SIGN_IN_TEXT = "Sign in with JSW-Auth";
+            CODER_OIDC_ICON_URL = "https://"; #FIXME: icon
+
             # CODER_OIDC_EMAIL_DOMAIN="your-domain-1,your-domain-2";
           };
         };