fix: testing tag push

.github/workflows/push_tag.yaml

@@ -0,0 +1,29 @@
+name: Publish docker image on tag push
+on:
+  push:
+    tags:
+      - '*'
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - uses: olegtarasov/get-tag@v2
+        id: tagName
+      - name: Publish to Registry
+        uses: elgohr/Publish-Docker-Github-Action@master
+        with:
+          name: onepanel/core
+          username: ${{ secrets.DOCKER_HUB_USERNAME }}
+          password: ${{ secrets.DOCKER_HUB_TOKEN }}
+          tags: "${{ env.GIT_TAG_NAME }}"
+      - name: Set Slack Message
+        run: echo "::set-env name=SLACK_MESSAGE::Tag $GIT_TAG_NAME. Docker Tag onepanel/core:$GIT_TAG_NAME"
+      - name: Notify Slack Channels
+        uses: rtCamp/action-slack-notify@v2.0.0
+        env:
+          SLACK_CHANNEL: dev
+          SLACK_ICON: https://avatars1.githubusercontent.com/u/30390575?s=48&v=4
+          SLACK_TITLE: New Core Version
+          SLACK_USERNAME: opBot
+          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}