tools: use in memory databases by default

.gitignore

@@ -11,3 +11,4 @@ dist
 .pytest_cache
 node_modules
 .eslintcache
+*.sqlite

app/params.py

@@ -15,8 +15,8 @@ class Parameters:
     port: int = 5000
     workers: int = 4
     timeout: int = 120
-    db_uri: str = "postgres://localhost:5432/tout-doux"
-    cache_uri: str = "redis://localhost:6379"
+    db_uri: str = "sqlite://db.sqlite"
+    cache_uri: str = "memory://"
 
     @classmethod
     def from_namespace(cls, args: argparse.Namespace) -> Parameters: