feat(network): automatically add container name to network alias

Author: amab8901

testcontainers/src/core/image/image_ext.rs

@@ -236,12 +236,13 @@ impl<RI: Into<ContainerRequest<I>>, I: Image> ImageExt<I> for RI {
     }
 
     fn with_container_name(self, name: impl Into<String>) -> ContainerRequest<I> {
-        let container_req = self.into();
+        let mut container_req = self.into();
+        let name = name.into();
 
-        ContainerRequest {
-            container_name: Some(name.into()),
-            ..container_req
-        }
+        container_req.network_aliases.insert(name.clone());
+        container_req.container_name = Some(name);
+
+        container_req
     }
 
     fn with_network(self, network: impl Into<String>) -> ContainerRequest<I> {