refactor: Web 服务器从 gunicorn 迁移到 uvicorn

backend/src/core/config/settings.py

@@ -8,6 +8,23 @@ from pydantic import BaseModel, Field, computed_field, field_validator, model_va
 from pydantic_settings import BaseSettings, SettingsConfigDict
 
 
+def _resolve_project_root() -> Path:
+    current = Path(__file__).resolve()
+    for parent in current.parents:
+        if (
+            (parent / "pyproject.toml").is_file()
+            and (parent / "backend").is_dir()
+            and (parent / "infra").is_dir()
+        ):
+            return parent
+
+    for parent in current.parents:
+        if parent.name == "backend":
+            return parent.parent
+
+    return Path.cwd().resolve()
+
+
 class RuntimeSettings(BaseModel):
     environment: Literal["dev", "test", "prod"] = "dev"
     service_name: str = "app"
@@ -171,6 +188,9 @@ def _resolve_env_file() -> str:
     return ".env"
 
 
+PROJECT_ROOT = _resolve_project_root()
+
+
 class Settings(BaseSettings):
     runtime: RuntimeSettings = RuntimeSettings()
     cors: CorsSettings = CorsSettings()

backend/src/core/logging/config.py

@@ -6,7 +6,7 @@ from pathlib import Path
 
 import structlog
 
-from core.config.settings import RuntimeSettings, Settings
+from core.config.settings import PROJECT_ROOT, RuntimeSettings, Settings
 from core.logging.formatters import (
     build_plain_formatter,
     build_processor_formatter,
@@ -17,13 +17,20 @@ from core.logging.handlers import build_file_handler_config
 
 
 def _ensure_log_dirs(runtime: RuntimeSettings) -> None:
-    Path(runtime.log_dir).mkdir(parents=True, exist_ok=True)
-    Path(runtime.log_error_dir).mkdir(parents=True, exist_ok=True)
+    _resolve_log_path(runtime.log_dir).mkdir(parents=True, exist_ok=True)
+    _resolve_log_path(runtime.log_error_dir).mkdir(parents=True, exist_ok=True)
+
+
+def _resolve_log_path(path: str) -> Path:
+    candidate = Path(path)
+    if candidate.is_absolute():
+        return candidate
+    return PROJECT_ROOT / candidate
 
 
 def build_logging_config(runtime: RuntimeSettings) -> dict[str, object]:
-    log_dir = Path(runtime.log_dir)
-    error_dir = Path(runtime.log_error_dir)
+    log_dir = _resolve_log_path(runtime.log_dir)
+    error_dir = _resolve_log_path(runtime.log_error_dir)
     formatter_name = "json" if runtime.log_json else "plain"
 
     file_handler = build_file_handler_config(

backend/src/core/taskiq/app.py

@@ -3,10 +3,14 @@ from __future__ import annotations
 from taskiq_redis import ListQueueBroker, RedisAsyncResultBackend
 
 from core.config.settings import config
-from core.logging import configure_logging
+from core.logging import configure_logging, log_service_banner
 
 
 configure_logging(config)
+log_service_banner(
+    service_name=config.runtime.service_name,
+    environment=config.runtime.environment,
+)
 
 def _build_broker(queue_name: str) -> ListQueueBroker:
     return ListQueueBroker(