refactor: update system config, sudoers, and install script

system/acme-deploy.py

@@ -13,6 +13,7 @@ try:
     import requests_unixsocket
 
     from daemon.client import post
+    from daemon.iface import POST_NGINX_RELOAD
 
     logging.basicConfig(level=logging.INFO)
     project_dir = os.environ.get("INSTALL_DIR", os.path.dirname(os.path.dirname(__file__)))
@@ -20,7 +21,7 @@ try:
         "VACUUM_WALLD_SOCKET",
         os.path.join(project_dir, "data", "daemon.sock"),
     )
-    post("/nginx/reload", socket_path=socket_path)
+    post(POST_NGINX_RELOAD, socket_path=socket_path)
     sys.exit(0)
 except Exception as exc:
     logging.error("acme-deploy hook failed: %s", exc)