build multi-arch

.drone.yml

@@ -1,8 +1,10 @@
 ---
 kind: pipeline
 type: docker
-name: default
+name: build_amd64
-
+platform:
+  os: linux
+  arch: amd64
 steps:
 - name: push docker image
   image: plugins/docker
@@ -17,3 +19,26 @@ volumes:
 - name: docker_sock
   host:
     path: /var/run/docker.sock
+
+---
+kind: pipeline
+type: docker
+name: build_amd64
+platform:
+  os: linux
+  arch: arm64
+steps:
+- name: push docker image
+  image: plugins/docker
+  settings:
+      repo: j10l/nsd-docker
+      username:
+          from_secret: docker_username
+      password:
+          from_secret: docker_password
+
+volumes:
+- name: docker_sock
+  host:
+    path: /var/run/docker.sock
+