Update deploy step to use Docker-based deployment instead of SSH

.woodpecker.yml

@@ -30,18 +30,17 @@ steps:
 
   deploy:
     name: deploy
-    image: appleboy/drone-ssh
-    settings:
-      host: 
-        from_secret: ssh_host
-      username:
-        from_secret: ssh_username
-      key:
-        from_secret: ssh_key
-      port: 22
-      script:
-        - cd /path/to/deployment
-        - docker stack deploy -c stack.production.yml ploughshares
+    image: woodpeckerci/plugin-docker-buildx
+    environment:
+      REGISTRY_USER:
+        from_secret: REGISTRY_USER
+      REGISTRY_PASSWORD:
+        from_secret: REGISTRY_PASSWORD
+    volumes:
+      - /var/run/docker.sock:/var/run/docker.sock
+    commands:
+      - echo "$${REGISTRY_PASSWORD}" | docker login -u "$${REGISTRY_USER}" --password-stdin git.nixc.us
+      - docker stack deploy --with-registry-auth -c ./stack.production.yml $${CI_REPO_NAME}
     when:
       event: [push, tag]
       branch: [main, master]