feat: rate limiting

app/params.py

@@ -15,7 +15,8 @@ class Parameters:
     port: int = 5000
     workers: int = 4
     timeout: int = 120
-    db_url: str = "postgres://postgres:5432/tout-doux"
+    db_uri: str = "postgres://localhost:5432/tout-doux"
+    cache_uri: str = "redis://localhost:6379"
 
     @classmethod
     def from_namespace(cls, args: argparse.Namespace) -> Parameters:
@@ -115,10 +116,17 @@ def parse_parameters(args: typing.Sequence[str]) -> Parameters:
     )
     __add_arg_str(
         parser,
-        "--db-url",
-        env_var="DB_URL",
-        default=default_values.db_url,
-        help_txt="database connection url",
+        "--db-uri",
+        env_var="DB_URI",
+        default=default_values.db_uri,
+        help_txt="database connection URI",
+    )
+    __add_arg_str(
+        parser,
+        "--cache-uri",
+        env_var="CACHE_URI",
+        default=default_values.cache_uri,
+        help_txt="cache connection URI",
     )
     parsed_args = parser.parse_args(args)
     return Parameters.from_namespace(parsed_args)