update documentation and README

README.md

@@ -17,17 +17,19 @@ Create and run redpanda container:
 ```rust, no_run
 use testcontainers::runners::AsyncRunner;
 use testcontainers_redpanda_rs::*;
-
-let container = Redpanda::latest();
-
-let server_node = container.start().await;
-let bootstrap_servers = format!("localhost:{}", server_node.get_host_port_ipv4(REDPANDA_PORT).await);
-// if topic has only one partition this part is optional
-// it will be automatically created when client connects
-let test_topic_name = "test_topic";
-server_node.exec(Redpanda::cmd_create_topic(test_topic_name, 3)).await;
-
-println!("Redpanda server: {}", bootstrap_servers);
+#[tokio::main]
+async fn main() {
+    let container = Redpanda::latest();
+
+    let server_node = container.start().await;
+    let bootstrap_servers = format!("localhost:{}", server_node.get_host_port_ipv4(REDPANDA_PORT).await);
+    // if topic has only one partition this part is optional
+    // it will be automatically created when client connects
+    let test_topic_name = "test_topic";
+    server_node.exec(Redpanda::cmd_create_topic(test_topic_name, 3)).await;
+
+    println!("Redpanda server: {}", bootstrap_servers);
+}
 ```
 
 Current limitations:

src/lib.rs

@@ -127,7 +127,9 @@ impl Image for Redpanda {
     }
 
     fn expose_ports(&self) -> Vec<u16> {
-        //vec![REDPANDA_PORT, SCHEMA_REGISTRY_PORT, ADMIN_PORT]
+        // this is not needed as we map it explicitly
+        // and testcontainer gets confused and re-map it
+        // vec![REDPANDA_PORT, SCHEMA_REGISTRY_PORT, ADMIN_PORT]
         vec![]
     }