diff --git a/.gitignore b/.gitignore
index 16d4ed8..1df91d8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,4 +22,5 @@ htmlcov
 local_archive
 local_archive_test
 *db-wal
-*db-shm
\ No newline at end of file
+*db-shm
+copy-files.sh
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
index 2274dca..8764f02 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -47,7 +47,7 @@ services:
       - web
       - redis
     healthcheck:
-      test: ["CMD", "pipenv", "run", "celery", "-A", "worker.celery", "status"]
+      test: ["CMD", "pipenv", "run", "celery", "-A", "worker.main.celery", "status"]
       interval: 30s
       timeout: 10s
       retries: 3
diff --git a/src/core/config.py b/src/core/config.py
index 6a37fd0..7f6393e 100644
--- a/src/core/config.py
+++ b/src/core/config.py
@@ -1,4 +1,4 @@
-VERSION = "0.7.0"
+VERSION = "0.7.1"
 API_DESCRIPTION = """
 #### API for the Auto-Archiver project, a tool to archive web pages and Google Sheets.
 
diff --git a/src/core/logging.py b/src/core/logging.py
index fbaed29..5ff03db 100644
--- a/src/core/logging.py
+++ b/src/core/logging.py
@@ -5,15 +5,14 @@ from fastapi import Request
 
 # logging configurations
 logger.add("logs/api_logs.log", retention="30 days", rotation="3 days")
-error_logger = logger.add("logs/error_logs.log", retention="30 days")
+logger.add("logs/error_logs.log", retention="30 days", level="ERROR")
 
     
 def log_error(e: Exception, traceback_str: str = None, extra:str = ""):
     # EXCEPTION_COUNTER.labels(type(e).__name__).inc()
     if not traceback_str: traceback_str = traceback.format_exc()
     if extra: extra = f"{extra}\n"
-    logger.error(f"{extra}{e.__class__.__name__}: {e}")
-    error_logger.error(f"{extra}{e.__class__.__name__}: {e}\n{traceback_str}")
+    logger.error(f"{extra}{e.__class__.__name__}: {e}\n{traceback_str}")
 
 async def logging_middleware(request: Request, call_next):
     try:
diff --git a/src/db/database.py b/src/db/database.py
index d18333d..d42466a 100644
--- a/src/db/database.py
+++ b/src/db/database.py
@@ -1,9 +1,11 @@
+from functools import lru_cache
 from sqlalchemy import Engine, create_engine, event
 from sqlalchemy.orm import sessionmaker
 from shared.settings import get_settings
 from contextlib import contextmanager
 
 
+@lru_cache
 def make_engine(database_url: str):
     engine = create_engine(database_url, connect_args={"check_same_thread": False})
 
diff --git a/src/tests/conftest.py b/src/tests/conftest.py
index 1b69916..97c18e8 100644
--- a/src/tests/conftest.py
+++ b/src/tests/conftest.py
@@ -26,7 +26,8 @@ def mock_settings():
 def test_db(get_settings: Settings):
     from db.database import make_engine
     from db import models
-
+    
+    make_engine.cache_clear()
     engine = make_engine(get_settings.DATABASE_PATH)
 
     fs = get_settings.DATABASE_PATH.replace("sqlite:///", "")
diff --git a/src/tests/endpoints/test_url.py b/src/tests/endpoints/test_url.py
index 01b6a24..3d05434 100644
--- a/src/tests/endpoints/test_url.py
+++ b/src/tests/endpoints/test_url.py
@@ -1,5 +1,3 @@
-
-
 import json
 from unittest.mock import patch
 
diff --git a/src/web/main.py b/src/web/main.py
index adc837d..826cc03 100644
--- a/src/web/main.py
+++ b/src/web/main.py
@@ -51,7 +51,7 @@ def app_factory(settings = get_settings()):
     app.include_router(interoperability_router)
 
     # prometheus exposed in /metrics with authentication
-    Instrumentator(should_group_status_codes=False, excluded_handlers=["/metrics", "/health"]).instrument(app).expose(app, dependencies=[Depends(token_api_key_auth)])
+    Instrumentator(should_group_status_codes=False, excluded_handlers=["/metrics", "/health", "/openapi.json", "/favicon.ico"]).instrument(app).expose(app, dependencies=[Depends(token_api_key_auth)])
 
     local_dir = settings.SERVE_LOCAL_ARCHIVE
     if not os.path.isdir(local_dir) and os.path.isdir(local_dir.replace("/app", ".")):
diff --git a/src/web/security.py b/src/web/security.py
index b310782..bfa678a 100644
--- a/src/web/security.py
+++ b/src/web/security.py
@@ -15,10 +15,9 @@ def secure_compare(token, api_key):
 
 # Factory method to create an authentication dependency for a specific key
 def api_key_auth(api_key):
+    assert len(api_key) >= 20, "Invalid API key, must be at least 20 chars"
 
     async def auth(bearer: HTTPAuthorizationCredentials = Depends(bearer_security), auto_error=True):
-        assert len(api_key) >= 20, "Invalid API key, must be at least 20 chars"
-
         is_correct = secure_compare(bearer.credentials, api_key)
         if is_correct: return True