Add REMBUS_START_ANYWAY env

Author: attdona

CHANGELOG.md

@@ -3,12 +3,15 @@
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [0.8.3] 
+## [0.8.3] 2026-03-10
 
 ### Changed
 
 - Default port 8338 (was the widely used port 8000)
 
+- Add environment variable REMBUS_START_ANYWAY. If true start the
+  component even if the broker/server is down.
+
 ## [0.8.2] 2026-03-04
 
 ### Added

src/rembus/settings.py

@@ -41,7 +41,9 @@ def __init__(self, name: str):
         self.ws_ping_interval = cfg.get(
             "ws_ping_interval", def_ws_ping_interval
         )
-        self.start_anyway = cfg.get("start_anyway", False)
+        self.start_anyway = cfg.get(
+            "start_anyway", os.environ.get("REMBUS_START_ANYWAY", False)
+        )
 
         # Max numbers of QOS1 and QOS2 Pub/Sub retrasmissions
         self.send_retries = cfg.get("send_retries", def_send_retries)