Resolve "Fix typo in Dockerfile"

Closes #13 (closed)

clowm/schemas/user.py

@@ -45,12 +45,14 @@ class UserOutExtended(UserOut, UserRoles):
     invitation_token_created_at: int | None = Field(
         None, description="Timestamp when the invitation token was created as UNIX timestamp"
     )
-    gravatar_url: URL | None = Field(default=None, description="URL to the gravatar avatar based on the users email")
+    gravatar_url: URL = Field(description="URL to the gravatar avatar based on the users email")
 
     @staticmethod
-    def generate_gravatar_url(email: str | None) -> AnyHttpUrl | None:
+    def generate_gravatar_url(email: str | None) -> AnyHttpUrl:
         if email is None:
-            return None
+            return AnyHttpUrl(
+                "https://gravatar.com/avatar/87a8c45825eb709ee8e453d2c0f8154e1b9bf4b45bb9b81b7662177340aa9d38"
+            )
         return AnyHttpUrl(f"https://gravatar.com/avatar/{sha256(email.strip().lower().encode('utf-8')).hexdigest()}")
 
     @staticmethod