fix: handle FileExistsError for loguru file sink on Docker overlay fs

app/config.py

@@ -22,13 +22,16 @@ def setup_logging() -> None:
         ),
     )
 
-    logger.add(
-        "logs/app_{time:YYYY-MM-DD}.log",
-        level=level,
-        rotation="1 day",
-        retention="30 days",
-        compression="gz",
-        format="{time:YYYY-MM-DD HH:mm:ss} | {level: <8} | {name}:{function}:{line} | {message}",
-    )
+    try:
+        logger.add(
+            "logs/app_{time:YYYY-MM-DD}.log",
+            level=level,
+            rotation="1 day",
+            retention="30 days",
+            compression="gz",
+            format="{time:YYYY-MM-DD HH:mm:ss} | {level: <8} | {name}:{function}:{line} | {message}",
+        )
+    except (FileExistsError, OSError):
+        logger.info("File logging disabled (Docker/read-only fs)")
 
     logger.info("Logging configured | level={}", level)