Added a usage description

README.md

@@ -5,4 +5,18 @@ for a few different docker containers that you might want to use during integrat
 use a generic container to launch other images. This repository contains an implementation of a container
 for the Infinispan cache server. It provides an API that is aimed to help you configure the container.
 
-At the moment this is a rudimentary implementation and by no means complete. Feel free to suggest changes!
+At the moment this is a rudimentary implementation and by no means complete. Feel free to suggest changes!
+
+# Usage
+
+For general usage info on Testcontainers please look at the examples of the project.
+
+```
+@ClassRule
+public static InfinispanContainer infinispan = InfinispanContainerFactory
+      .standalone("9.1.3.Final")
+      .configurationFile("infinispan-standalone.xml")
+      .expose()
+      .hotrod()
+      .build();
+```

src/test/java/InfinispanContainerIntegrationTest.java

@@ -11,12 +11,13 @@ import static org.junit.Assert.assertNotNull;
 public class InfinispanContainerIntegrationTest {
 
   @ClassRule
-  public static InfinispanContainer infinispan = InfinispanContainerFactory
+  public static InfinispanContainer infinispan =
-      .standalone("9.1.3.Final")
+      InfinispanContainerFactory
-      .configurationFile("infinispan-standalone.xml")
+          .standalone("9.1.3.Final")
-      .expose()
+          .configurationFile("infinispan-standalone.xml")
-      .hotrod()
+          .expose()
-      .build();
+          .hotrod()
+          .build();
 
   @Test
   public void rule_should_have_mapped_hotrod_port() {