Adapt docs to non deprecated way of setting --memory and --memory-swap (#2511)

Co-authored-by: Thomas Schmidt <[email protected]>
Co-authored-by: Richard North <[email protected]>

Author: 3 people

docs/examples/junit4/generic/src/test/java/generic/CmdModifierTest.java

@@ -18,10 +18,15 @@ public class CmdModifierTest {
     // }
 
     // memory {
+    private long memoryInBytes = 8 * 1024 * 1024;
+    private long memorySwapInBytes = 12 * 1024 * 1024;
+
     @Rule
     public GenericContainer memoryLimitedRedis = new GenericContainer<>("redis:3.0.2")
-            .withCreateContainerCmdModifier(cmd -> cmd.withMemory((long) 8 * 1024 * 1024))
-            .withCreateContainerCmdModifier(cmd -> cmd.withMemorySwap((long) 12 * 1024 * 1024));
+            .withCreateContainerCmdModifier(cmd -> cmd.getHostConfig()
+                .withMemory(memoryInBytes)
+                .withMemorySwap(memorySwapInBytes)
+            );
     // }