feat: allow the use of an ENV variable to set the API key if the ParameterStore isn't used. (#40)

src/api/auth.py

@@ -3,16 +3,19 @@ from typing import Annotated
 
 import boto3
 from fastapi import Depends, HTTPException, status
-from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
+from fastapi.security import HTTPAuthorizationCredentials, HTTPBearer
 
 from api.setting import DEFAULT_API_KEYS
 
 api_key_param = os.environ.get("API_KEY_PARAM_NAME")
+api_key_env = os.environ.get("API_KEY")
 if api_key_param:
     ssm = boto3.client("ssm")
     api_key = ssm.get_parameter(Name=api_key_param, WithDecryption=True)["Parameter"][
         "Value"
     ]
+elif api_key_env:
+    api_key = api_key_env
 else:
     api_key = DEFAULT_API_KEYS
 
@@ -20,7 +23,7 @@ security = HTTPBearer()
 
 
 def api_key_auth(
-    credentials: Annotated[HTTPAuthorizationCredentials, Depends(security)]
+    credentials: Annotated[HTTPAuthorizationCredentials, Depends(security)],
 ):
     if credentials.credentials != api_key:
         raise HTTPException(