feat: add Heroku

.github/workflows/heroku.yml

@@ -0,0 +1,23 @@
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: akhileshns/heroku-deploy@v3.7.8 # This is the action
+        with:
+          heroku_api_key: ${{secrets.HEROKU_API_KEY}}
+          heroku_app_name: ${{secrets.APP_NAME}} #Must be unique in Heroku
+          heroku_email: ${{secrets.EMAIL}}
+          usedocker: true
+          # docker_build_args: |
+          #   NODE_ENV
+          #   SECRET_KEY
+        env:
+          NODE_ENV: production
+          SECRET_KEY: ${{ secrets.MY_SECRET_KEY }}
+          UUID: ${{ secrets.HEROKU_V2RAY_UUID }}