add workflows

.github/workflows/deploy.yaml

@@ -0,0 +1,19 @@
+name: Deploy
+
+on:
+  push:
+    branches: ["canary"]
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: self-hosted
+    steps:
+      - uses: actions/checkout@v3
+      - name: Build image
+        run: docker build -t ${{ github.repository }} .
+      - name: Deploy image
+        run: |
+          docker stop ${{ github.event.repository.name }} || true
+          docker rm ${{ github.event.repository.name }} || true
+          docker run -d -e "DISCORD_TOKEN=${{ secrets.DISCORD_TOKEN }}" -e "DATABASE_URL=${{ secrets.DATABASE_URL }}" --restart always --name ${{ github.event.repository.name }} ${{ github.repository }}