chore: use the new Inspect method instead

container.go

@@ -63,7 +63,6 @@ type Container interface {
 	CopyFileToContainer(ctx context.Context, hostFilePath string, containerFilePath string, fileMode int64) error
 	CopyFileFromContainer(ctx context.Context, filePath string) (io.ReadCloser, error)
 	GetLogProductionErrorChannel() <-chan error
-	Hostname(ctx context.Context) (string, error)
 }
 
 // ImageBuildInfo defines what is needed to build an image

docker.go

@@ -405,15 +405,6 @@ func (c *DockerContainer) Name(ctx context.Context) (string, error) {
 	return inspect.Name, nil
 }
 
-// Hostname gets the name of the container.
-func (c *DockerContainer) Hostname(ctx context.Context) (string, error) {
-	inspect, err := c.Inspect(ctx)
-	if err != nil {
-		return "", err
-	}
-	return inspect.Config.Hostname, nil
-}
-
 // State returns container's running state. This method does not use the cache
 // and always fetches the latest state from the Docker daemon.
 func (c *DockerContainer) State(ctx context.Context) (*types.ContainerState, error) {

modules/kafka/kafka.go

@@ -72,11 +72,13 @@ func RunContainer(ctx context.Context, opts ...testcontainers.ContainerCustomize
 							return err
 						}
 
-						hostname, err := c.Hostname(ctx)
+						inspect, err := c.Inspect(ctx)
 						if err != nil {
 							return err
 						}
 
+						hostname := inspect.Config.Hostname
+
 						port, err := c.MappedPort(ctx, publicPort)
 						if err != nil {
 							return err