Prepare for fly.io

fly.toml

@@ -0,0 +1,27 @@
+app = "timetrack"
+primary_region = "iad"
+
+[build]
+
+[env]
+  FLASK_APP = "app.py"
+  FLASK_ENV = "production"
+
+[http_service]
+  internal_port = 5000
+  force_https = true
+  auto_stop_machines = true
+  auto_start_machines = true
+  min_machines_running = 0
+
+[[mounts]]
+  source = "timetrack_data"
+  destination = "/app/instance"
+
+[processes]
+  app = "flask run --host=0.0.0.0"
+
+[[vm]]
+  cpu_kind = "shared"
+  cpus = 1
+  memory_mb = 256