fix: restore fly.io

.github/workflows/deploy-backend-on-push.yml

@@ -0,0 +1,14 @@
+name: Deploy Backend
+
+on: workflow_dispatch
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    concurrency: deploy-group # optional: ensure only one action runs at a time
+    steps:
+      - uses: actions/checkout@v4
+      - uses: superfly/flyctl-actions/setup-flyctl@master
+      - run: cd apps/backend && flyctl deploy --remote-only
+        env:
+          FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}

apps/backend/.env.example

@@ -10,9 +10,6 @@ CLOUDFLARE_SECRET_ACCESS_KEY=
 CLOUDFLARE_ACCOUNT_ID=
 CLOUDFLARE_PUBLIC_ACCOUNT_ID=
 
-MUSE_API_KEY=
-REDIS_API_KEY=
-TELEGRAM_BOT_TOKEN=
 
 SMTP_HOST=
 SMTP_USER=