Fix advertised broker ip

port 9092 is not exposed to the host, so we can not connect to it via host ip, but need to use the broker container ip

modules/kafka/kafka.go

@@ -72,12 +72,17 @@ func RunContainer(ctx context.Context, opts ...testcontainers.ContainerCustomize
 							return err
 						}
 
+						ip, err := c.ContainerIP(ctx)
+						if err != nil {
+							return err
+						}
+
 						port, err := c.MappedPort(ctx, publicPort)
 						if err != nil {
 							return err
 						}
 
-						scriptContent := fmt.Sprintf(starterScriptContent, host, port.Int(), host)
+						scriptContent := fmt.Sprintf(starterScriptContent, host, port.Int(), ip)
 
 						return c.CopyToContainer(ctx, []byte(scriptContent), starterScript, 0o755)
 					},