Add logging config

logs/.gitignore

@@ -0,0 +1 @@
+*.log*

studio/__main_unit__.py

@@ -1,4 +1,5 @@
 import argparse
+import logging
 
 import uvicorn
 from fastapi import Depends, FastAPI, Request
@@ -71,6 +72,11 @@
 templates = Jinja2Templates(directory=f"{FRONTEND_DIRPATH}/build")
 
 
+@app.on_event("startup")
+async def startup_event():
+    logging.info('"Studio" application startup complete.')
+
+
 @app.get("/")
 async def root(request: Request):
     return templates.TemplateResponse("index.html", {"request": request})
@@ -83,19 +89,13 @@ def main(develop_mode: bool = False):
     parser.add_argument("--reload", action="store_true")
     args = parser.parse_args()
 
-    # set fastapi@uvicorn logging config.
-    log_format = "%(asctime)s  %(levelprefix)s %(message)s"
-    fastapi_logging_config = uvicorn.config.LOGGING_CONFIG
-    fastapi_logging_config["formatters"]["default"]["fmt"] = log_format
-    fastapi_logging_config["formatters"]["access"]["fmt"] = log_format
-
     if develop_mode:
         reload_options = {"reload_dirs": ["studio"]} if args.reload else {}
         uvicorn.run(
             "studio.__main_unit__:app",
             host=args.host,
             port=args.port,
-            log_config=fastapi_logging_config,
+            log_config=f"{DIRPATH.CONFIG_DIR}/logging.yaml",
             reload=args.reload,
             **reload_options,
         )
@@ -104,6 +104,6 @@ def main(develop_mode: bool = False):
             "studio.__main_unit__:app",
             host=args.host,
             port=args.port,
-            log_config=fastapi_logging_config,
+            log_config=f"{DIRPATH.CONFIG_DIR}/logging.yaml",
             reload=False,
         )

studio/config/logging.yaml

@@ -0,0 +1,30 @@
+version: 1
+disable_existing_loggers: true
+formatters:
+  default:
+    (): "uvicorn.logging.DefaultFormatter"
+    fmt: "%(asctime)s %(levelprefix)s %(funcName)s():%(lineno)d - %(message)s"
+  access:
+    (): "uvicorn.logging.AccessFormatter"
+    fmt: "%(asctime)s %(levelprefix)s %(funcName)s():%(lineno)d - %(message)s"
+handlers:
+  console:
+    class: logging.StreamHandler
+    level: DEBUG
+    formatter: default
+  rotating_file:
+    class: logging.handlers.TimedRotatingFileHandler
+    level: DEBUG
+    formatter: default
+    filename: logs/studio.log
+    when: midnight
+    interval: 1
+    backupCount: 365
+loggers:
+  uvicorn:
+    level: INFO
+    handlers: [console, rotating_file]
+    propagate: false
+root:
+  level: INFO
+  handlers: [console, rotating_file]