Update .drone.yml

Change type to docker
Build only index.adoc

.drone.yml

@@ -1,28 +1,29 @@
 ---
 kind: pipeline
-name: upload to minio
+type: docker
+name: update website
 
 steps:
-- name: build
-  image: registry.kucharczyk.tech/asciidoctor
-  commands:
-    - "asciidoctor -D public asciidoc/*.adoc"
-- name: upload
-  image: plugins/s3
-  settings:
-    bucket: kucharczyk.xyz
-    access_key:
-      from_secret: minio_kucharczyk_xyz_access_key
-    secret_key:
-      from_secret: minio_kucharczyk_xyz_secret_key
-    source: public/**
-    strip_prefix: public/
-    path_style: true
-    target: /
-    endpoint: https://bucket.kucharczyk.xyz
+  - name: build
+    image: registry.kucharczyk.tech/asciidoctor
+    commands:
+      - "asciidoctor -D public asciidoc/index.adoc"
+  - name: upload
+    image: plugins/s3
+    settings:
+      bucket: kucharczyk.xyz
+      access_key:
+        from_secret: minio_kucharczyk_xyz_access_key
+      secret_key:
+        from_secret: minio_kucharczyk_xyz_secret_key
+      source: public/**
+      strip_prefix: public/
+      path_style: true
+      target: /
+      endpoint: https://bucket.kucharczyk.xyz
 trigger:
   event:
-  - push
-  - cron
+    - push
+    - cron
   exclude:
-    - pull_request
+    - pull_request