only build on arm64

.drone.yml

@@ -7,6 +7,14 @@ trigger:
   event: [ push ]
   branch: [ master ]
 
+platform:
+  os: linux
+  arch: arm64
+
+node_selector:
+  kubernetes.io/os: linux
+  kubernetes.io/arch: arm64
+
 steps:
 - name: build-website
   image: gitea.home.jbrumond.me/doc-utils/utils:0.1.1
@@ -33,6 +41,14 @@ trigger:
   event: [ promote ]
   target: [ stg ]
 
+platform:
+  os: linux
+  arch: arm64
+
+node_selector:
+  kubernetes.io/os: linux
+  kubernetes.io/arch: arm64
+
 steps:
 - name: build-website
   image: gitea.home.jbrumond.me/doc-utils/utils:0.1.1
@@ -47,6 +63,9 @@ steps:
       from_secret: gitea-jbrumond-me-password
     repo: gitea.home.jbrumond.me/doc-utils/docs
     cache_from: gitea.home.jbrumond.me/doc-utils/docs:ci
+    build_args:
+    - OS=linux
+    - ARCH=arm64
     tags:
     - stg