Allow full configuration of nuclio (#3894)

* Allow full configuration of nuclio

* Add to changelog

CHANGELOG.md

@@ -16,6 +16,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add a tutorial on attaching cloud storage AWS-S3 (<https://github.com/openvinotoolkit/cvat/pull/3745>)
   and Azure Blob Container (<https://github.com/openvinotoolkit/cvat/pull/3778>)
 - The feature to remove annotations in a specified range of frames (<https://github.com/openvinotoolkit/cvat/pull/3617>)
+- Add additional environment variables for Nuclio configuration (<https://github.com/openvinotoolkit/cvat/pull/3894>)
 - Add KITTI segmentation and detection format (<https://github.com/openvinotoolkit/cvat/pull/3757>)
 - Add LFW format (<https://github.com/openvinotoolkit/cvat/pull/3770>)
 - Add Cityscapes format (<https://github.com/openvinotoolkit/cvat/pull/3758>)

cvat/settings/base.py

@@ -262,10 +262,10 @@ RQ_QUEUES = {
 }
 
 NUCLIO = {
-    'SCHEME': 'http',
-    'HOST': 'localhost',
-    'PORT': 8070,
-    'DEFAULT_TIMEOUT': 120
+    'SCHEME': os.getenv('CVAT_NUCLIO_SCHEME', 'http'),
+    'HOST': os.getenv('CVAT_NUCLIO_HOST', 'localhost'),
+    'PORT': os.getenv('CVAT_NUCLIO_PORT', 8070),
+    'DEFAULT_TIMEOUT': os.getenv('CVAT_NUCLIO_DEFAULT_TIMEOUT', 120)
 }
 
 RQ_SHOW_ADMIN_LINK = True