Use jsonnet config

.drone.jsonnet

@@ -0,0 +1,37 @@
+local Volume = { name: 'site', path: '/site' };
+local NetlifyStep(env, prod) = {
+  name: 'netlify deploy ' + env,
+  image: 'internetmat/drone-netlify',
+  volumes: [Volume],
+  settings: {
+    token: { from_secret: 'netlify_token' },
+    site: { from_secret: 'netlify_site_id' },
+    path: '/site',
+    prod: prod,
+  },
+};
+{
+  kind: 'pipeline',
+  type: 'docker',
+  name: 'default',
+
+  environment: {
+    NIX: 'nix --extra-experimental-features nix-command --extra-experimental-features flakes',
+  },
+
+  volumes: [{ name: 'site', temp: {} }],
+
+  steps: [
+    {
+      name: 'nix build',
+      image: 'nixos/nix',
+      volumes: [Volume],
+      commands: [
+        '$NIX build',
+        'cp -r result/* /site/',
+      ],
+    },
+    NetlifyStep('staging', false),
+    NetlifyStep('staging', true),
+  ],
+}

.drone.yml

@@ -1,32 +0,0 @@
-kind: pipeline
-type: docker
-name: default
-
-environment:
-  NIX: nix --extra-experimental-features nix-command --extra-experimental-features flakes
-
-steps:
-  - name: nix build
-    image: nixos/nix
-    volumes:
-      - name: site
-        path: /site
-    commands:
-      - $NIX build
-      - cp -r result/* /site/
-
-  - name: netlify deploy
-    image: lucap/drone-netlify
-    volumes:
-      - name: site
-        path: /site
-    settings:
-      token:
-        from_secret: netlify_token
-      site_id:
-        from_secret: netlify_site_id
-      path: /site
-
-volumes:
-  - name: site
-    temp: {}