Assert that deployment actually succeeds

.github/workflows/functional.yml

@@ -43,10 +43,26 @@ jobs:
         env:
           MITTWALD_SSH_PRIVATE_KEY: ${{ secrets.MITTWALD_SSH_PRIVATE_KEY }}
 
+      - name: Generate unique test file
+        run: |
+          openssl rand -hex 32 > testing.txt
+
       - name: Run test deployment
         run: |
           ./vendor/bin/dep deploy -vvv
         env:
           MITTWALD_APP_ID: ${{ secrets.MITTWALD_APP_ID }}
           MITTWALD_APP_DOMAIN: ${{ secrets.MITTWALD_APP_DOMAIN }}
           MITTWALD_API_TOKEN: ${{ secrets.MITTWALD_API_TOKEN }}
+
+      - name: Assert deployment was successful
+        run: |
+          deployed=$(curl -f -s https://${MITTWALD_APP_DOMAIN}/testing.txt)
+          expected=$(< testing.txt)
+          
+          echo "::debug::got output: ${deployed}"
+          echo "::debug::expected: ${expected}"
+          
+          test "${deployed}" = "${expected}"
+        env:
+          MITTWALD_APP_DOMAIN: ${{ secrets.MITTWALD_APP_DOMAIN }}