Sanic Server WorkerManager refactor (#2499)

Co-authored-by: Néstor Pérez <25409753+prryplatypus@users.noreply.github.com>

tests/fake/server.py

@@ -1,6 +1,8 @@
 import json
 
 from sanic import Sanic, text
+from sanic.application.constants import Mode
+from sanic.config import Config
 from sanic.log import LOGGING_CONFIG_DEFAULTS, logger
 
 
@@ -16,7 +18,7 @@ async def handler(request):
     return text(request.ip)
 
 
-@app.before_server_start
+@app.main_process_start
 async def app_info_dump(app: Sanic, _):
     app_data = {
         "access_log": app.config.ACCESS_LOG,
@@ -27,6 +29,13 @@ async def app_info_dump(app: Sanic, _):
     logger.info(json.dumps(app_data))
 
 
+@app.main_process_stop
+async def app_cleanup(app: Sanic, _):
+    app.state.auto_reload = False
+    app.state.mode = Mode.PRODUCTION
+    app.config = Config()
+
+
 @app.after_server_start
 async def shutdown(app: Sanic, _):
     app.stop()
@@ -38,8 +47,8 @@ def create_app():
 
 def create_app_with_args(args):
     try:
-        print(f"foo={args.foo}")
+        logger.info(f"foo={args.foo}")
     except AttributeError:
-        print(f"module={args.module}")
+        logger.info(f"module={args.module}")
 
     return app