Use buildx

.woodpecker/.docker.yml

@@ -1,12 +1,13 @@
 pipeline:
-  maven:
-    image: docker:dind
-    pull: true
-    commands:
-      - cd docker
-      - docker build -f ci-wine.Dockerfile -t git.frohnmeyer-wds.de/Johannes/ci-wine .
-      - docker login git.frohnmeyer-wds.de -u Johannes -p $GITEA_PACKAGES_PAT
-      - docker push git.frohnmeyer-wds.de/Johannes/ci-wine:latest
-    secrets: [ gitea_packages_pat ]
+  docker:
+    image: woodpeckerci/plugin-docker-buildx
+    settings:
+      registry: git.frohnmeyer-wds.de
+      username: ${CI_REPO_OWNER}
+      password:
+        from_secret: gitea_packages_pat
+      dockerfile: docker/ci-wine.Dockerfile
+      tag: latest
+      repo: git.frohnmeyer-wds.de/Johannes/ci-wine
     when:
       - branch: master