Refactor Dockerfile to use yarn instead of npm and update docker image in .woodpecker.yml

- Use yarn instead of npm in Dockerfile
- Update docker image from plugins/docker to woodpeckerci/plugin-docker-buildx in .woodpecker.yml
- Change registry from techio.dev to lttech/vercel in .woodpecker.yml
- Add platforms linux/amd64,linux/arm64/v8 in .woodpecker.yml

.woodpecker.yml

@@ -12,15 +12,14 @@ matrix:
 
 pipeline:
   ${version}-${os}-${platform}:
-    image: plugins/docker
+    image: woodpeckerci/plugin-docker-buildx
     settings:
-      registry: techio.dev
-      repo: techio.dev/${CI_REPO}
-      platform: linux/${platform}
+      repo: lttech/vercel
+      platforms: linux/amd64,linux/arm64/v8
       tags:
-        - ${version}-${os}-${platform}
+        - ${version}-${os}
       build_args:
         - tag=${version}-${os}
-      username: deploy
+      username: lttech
       password:
-        from_secret: deploy_password
+        from_secret: docker_lttech

Dockerfile

@@ -1,3 +1,3 @@
 ARG tag=16-alpine
 FROM node:${tag}
-RUN npm install -g vercel
+RUN yarn global add vercel