diff --git a/hosts/hydra-1/cache.nix.clerie.de/index.txt b/hosts/hydra-1/cache.nix.clerie.de/index.txt
new file mode 100644
index 0000000..ac9b577
--- /dev/null
+++ b/hosts/hydra-1/cache.nix.clerie.de/index.txt
@@ -0,0 +1,24 @@
+Nix Cache by clerie
+
+Public key:
+
+  cache.nix.clerie.de:bAt1GJTS9BOTcXFWj3nURrSlcjqikCev9yDvqArMP5g=
+
+NixOS Configuration:
+
+  nix.settings = {
+    substituters = [
+      "https://cache.nix.clerie.de"
+    ];
+    trusted-public-keys = [
+      "cache.nix.clerie.de:bAt1GJTS9BOTcXFWj3nURrSlcjqikCev9yDvqArMP5g="
+    ];
+  }
+
+Try:
+
+  nix build --substituters "https://cache.nix.clerie.de" \
+  --trusted-public-keys "cache.nix.clerie.de:bAt1GJTS9BOTcXFWj3nURrSlcjqikCev9yDvqArMP5g=" \
+  "git+https://git.clerie.de/clerie/fieldpoc.git#fieldpoc"
+
+.-*..*-.
diff --git a/hosts/hydra-1/nix-cache.nix b/hosts/hydra-1/nix-cache.nix
index fbfc206..743c8aa 100644
--- a/hosts/hydra-1/nix-cache.nix
+++ b/hosts/hydra-1/nix-cache.nix
@@ -13,11 +13,30 @@
       enableACME = true;
       forceSSL = true;
       locations."= /" = {
-        return = ''200 'Nix Cache by clerie\n\nPublic key:\n\n  nix-cache.clerie.de:bAt1GJTS9BOTcXFWj3nURrSlcjqikCev9yDvqArMP5g=\n\nNixOS Configuration:\n\n  nix.settings = {\n    substituters = [\n      "https://nix-cache.clerie.de"\n    ];\n    trusted-public-keys = [\n      "nix-cache.clerie.de:bAt1GJTS9BOTcXFWj3nURrSlcjqikCev9yDvqArMP5g="\n    ];\n  }\n\nTry:\n\n  nix build --substituters "https://nix-cache.clerie.de" \\\n  --trusted-public-keys "nix-cache.clerie.de:bAt1GJTS9BOTcXFWj3nURrSlcjqikCev9yDvqArMP5g=" \\\n  "git+https://git.clerie.de/clerie/fieldpoc.git#fieldpoc"\n\n.-*..*-.' '';
+        index = "/index.txt";
+      };
+      locations."= /index.txt" = {
+        root = ./cache.nix.clerie.de;
+      };
+      locations."/" = {
+        proxyPass = "http://[::1]:5005";
         extraConfig = ''
-          types { } default_type "text/plain; charset=utf-8";
+          proxy_redirect http:// https://;
+          proxy_http_version 1.1;
+          proxy_set_header Upgrade $http_upgrade;
+          proxy_set_header Connection $connection_upgrade;
         '';
       };
+    };
+    "cache.nix.clerie.de" = {
+      enableACME = true;
+      forceSSL = true;
+      locations."= /" = {
+        index = "/index.txt";
+      };
+      locations."= /index.txt" = {
+        root = ./cache.nix.clerie.de;
+      };
       locations."/" = {
         proxyPass = "http://[::1]:5005";
         extraConfig = ''