main.py

# main.py
import os
import sys

# Make stdout/stderr UTF-8 so the app's Chinese log messages don't crash on
# Windows consoles (default cp1252). No-op on Linux/Docker (already UTF-8).
for _stream in (sys.stdout, sys.stderr):
    try:
        _stream.reconfigure(encoding="utf-8", errors="replace")
    except Exception:
        pass

try:
    from app import create_app

    app = create_app()

except Exception as e:
    import traceback

    _err_text = traceback.format_exc()
    print("✗ Fallback activated due to error:")
    print(_err_text)

    from flask import Flask

    app = Flask(__name__)


    @app.route("/")
    def hello():
        # Surface the real startup error in the browser to aid debugging.
        return (
            "<h2>Startup failed (fallback mode)</h2><pre>" + _err_text + "</pre>",
            500,
            {"Content-Type": "text/html; charset=utf-8"},
        )


    @app.route("/healthz")
    def healthz():
        return "ok", 200

if __name__ == "__main__":
    port = int(os.environ.get("PORT", 10000))
    app.run(host="0.0.0.0", port=port, debug=False)