Add fly.io GH action

Author: bobf

.github/workflows/fly.yml

@@ -0,0 +1,16 @@
+name: Fly Deploy
+on:
+  push:
+    branches:
+      - main    # change to main if needed
+jobs:
+  deploy:
+    name: Deploy app
+    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: flyctl deploy --remote-only
+        env:
+          FLY_API_TOKEN: ${{ secrets.FLY_API_TOKEN }}

fly.toml

@@ -14,7 +14,7 @@ primary_region = 'ams'
   force_https = true
   auto_stop_machines = 'stop'
   auto_start_machines = true
-  min_machines_running = 0
+  min_machines_running = 1
   processes = ['app']
 
 [[vm]]