Create main.py

main.py

@@ -0,0 +1,17 @@
+# main.py — single ASGI app (stable Shiny mount)
+
+from fastapi import FastAPI
+from shiny.asgi import ShinyApp
+import shiny.express as sx  # import the package, not the submodule
+
+from Deployment_UI import router as deployment_ui_router
+from Deployment_UI_BE import router as deployment_be_router
+
+app = FastAPI()
+app.include_router(deployment_ui_router)  # serves /Deployment_UI
+app.include_router(deployment_be_router)  # serves /api/...
+
+# Mount Shiny Express at /
+# Wrap the Shiny app with the ASGI adapter (prevents “module not callable”
+# and avoids the submodule import that led to the hex/int ‘path’ error)
+app.mount("/", ShinyApp(sx.app))