feat(config): make Redis URL configurable for horizontal scaling

Author: Nigma-Ks

backend/config/paths.py

@@ -1,5 +1,7 @@
 import os
 
+REDIS_URL = os.getenv("REDIS_URL", "redis://localhost:6379")
+
 
 def get_tmp_thread_files(uid):
     return [get_thread_filepath(uid, UPLOAD_DIR), get_thread_filepath(uid, RESULTS_DIR)]

backend/utils/task.py

@@ -6,6 +6,7 @@
 from backend.config.paths import (
     ARTIFACTS_AI_CSV_FILE,
     MODEL_ONNX_FILE,
+    REDIS_URL,
     RESULTS_DIR,
     get_thread_filepath,
     get_tmp_thread_files,
@@ -20,9 +21,7 @@
     send_publish_results_by_email,
 )
 
-celery_app = Celery(
-    "tasks", broker="redis://localhost:6379", backend="redis://localhost:6379"
-)
+celery_app = Celery("tasks", broker=REDIS_URL, backend=REDIS_URL)
 
 celery_app.conf.update(
     worker_hijack_root_logger=False,