Fix settings' names

.forgejo/workflows/build_nixos_configs.yml

@@ -14,6 +14,6 @@ jobs:
     steps:
       - name: Check out repository code
         uses: actions/checkout@v4
-      - name: Build ${{ matrix.system }}
-        run: |
+      - run: |
+          echo 'Building configuration for ${{ matrix.system }}'
           nix build .#nixosConfigurations.${{ matrix.system }}.config.system.build.toplevel

modules/nixos/services/atticd/default.nix

@@ -35,10 +35,10 @@ in
       # openssl genrsa -traditional 4096 | base64 -w0
       environmentFile = config.age.secrets.atticd.path;
       settings = {
-        allowed_hosts = "attic.kilonull.com";
-        api_endpoint = "https://attic.kilonull.com/";
+        allowed-hosts = "attic.kilonull.com";
+        api-endpoint = "https://attic.kilonull.com/";
         listen = "[::]:8080";
-        garbage_collection.retention_period = "30d";
+        garbage-collection.retention-period = "30d";
       };
     };