ci: test successful deployment

.github/workflows/deploy.yml

@@ -0,0 +1,55 @@
+name: Deploy
+
+on:
+  push:
+    branches:
+      - production
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Remove old deployment
+        run: |
+          PREVIOUS_DEPLOYMENT_ID=$(gh api /repos/${{ github.repository }}/deployments | jq -r '.[0].id')
+          gh api --method DELETE /repos/${{ github.repository }}/deployments/${PREVIOUS_DEPLOYMENT_ID} || true
+        env:
+          GH_TOKEN: ${{ github.token }}
+
+      - name: Create new deployment
+        run: |
+          gh api --method POST \
+            -H "Accept: application/vnd.github+json" \
+            /repos/${{ github.repository }}/deployments \
+            -f "ref=production"
+          DEPLOYMENT_ID=$(gh api /repos/${{ github.repository }}/deployments | jq -r '.[0].id')
+        env:
+          DEPLOYMENT_ID: ${{ steps.create.outputs.DEPLOYMENT_ID }}
+          GH_TOKEN: ${{ github.token }}
+
+      - name: Create new deployment status
+        run: |
+          gh api --method POST \
+            -H "Accept: application/vnd.github+json" \
+            /repos/${{ github.repository }}/deployments/${{ env.DEPLOYMENT_ID }}/statuses \
+            -f "state=pending" \
+            -f "auto_inactive=true"
+        env:
+          DEPLOYMENT_ID: ${{ steps.create.outputs.DEPLOYMENT_ID }}
+          GH_TOKEN: ${{ github.token }}
+
+      - name: Fake deployment
+        run: |
+          sleep 10
+
+      - name: Update deployment status
+        run: |
+          gh api --method POST \
+            -H "Accept: application/vnd.github+json" \
+            /repos/${{ github.repository }}/deployments/${{ env.DEPLOYMENT_ID }}/statuses \
+            -f "state=success" \
+            -f "auto_inactive=true"
+        env:
+          DEPLOYMENT_ID: ${{ steps.create.outputs.DEPLOYMENT_ID }}
+          GH_TOKEN: ${{ github.token }}