chore: add COLONY_LOGGING_LOGSTASH config alias

- Added COLONY_LOGGING_LOGSTASH configuration option with fallback to LOGGING_LOGSTASH
- Updated README configuration documentation
- Updated CHANGELOG unreleased section

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: joamag

CHANGELOG.md

@@ -13,7 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Changed
 
-*
+* Added `COLONY_LOGGING_LOGSTASH` config alias with fallback to `LOGGING_LOGSTASH` for Logstash adapter activation
 
 ### Fixed
 

README.md

@@ -40,10 +40,10 @@ To actually do something useful, look into [How to Establish your Colony in 3 Ea
 
 ## Configuration
 
-| Name                 | Type   | Default       | Description                                                                           |
-| -------------------- | ------ | ------------- | ------------------------------------------------------------------------------------- |
-| **RUN_MODE**         | `str`  | `development` | The mode in which the Colony will be running.                                         |
-| **LOGGING_LOGSTASH** | `bool` | `False`       | If the [Logstash](https://www.elastic.co/logstash) logging adapter should be enabled. |
+| Name                        | Type   | Default       | Description                                                                                                          |
+| --------------------------- | ------ | ------------- | -------------------------------------------------------------------------------------------------------------------- |
+| **RUN_MODE**                | `str`  | `development` | The mode in which the Colony will be running.                                                                        |
+| **COLONY_LOGGING_LOGSTASH** | `bool` | `False`       | If the [Logstash](https://www.elastic.co/logstash) logging adapter should be enabled (fallback: `LOGGING_LOGSTASH`). |
 
 ## Usage
 

src/colony/base/loggers.py

@@ -288,7 +288,11 @@ def is_ready(cls):
             import logstash
         except ImportError:
             return False
-        if not config.conf("LOGGING_LOGSTASH", False, cast=bool):
+        if not config.conf(
+            "COLONY_LOGGING_LOGSTASH",
+            config.conf("LOGGING_LOGSTASH", False, cast=bool),
+            cast=bool,
+        ):
             return False
         return True