@@ -161,6 +161,14 @@ public class ContainerSpec extends DockerObject implements Serializable {
     @JsonProperty("Configs")
     private List<ContainerSpecConfig> configs;
 
+    /**
+     * @since 1.38
+     * Run an init inside the container that forwards signals and reaps processes.
+     * This field is omitted if empty, and the default (as configured on the daemon) is used.
+     */
+    @JsonProperty("Init")
+    private Boolean init;
+
     /**
      * @see #image
      */
@@ -435,4 +443,13 @@ public ContainerSpec withConfigs(List<ContainerSpecConfig> configs) {
         this.configs = configs;
         return this;
     }
+
+    public Boolean getInit() {
+        return init;
+    }
+
+    public ContainerSpec withInit(Boolean init) {
+        this.init = init;
+        return this;
+    }
 }
@@ -27,7 +27,7 @@ public void testUpdateServiceReplicate() throws Exception {
         String networkId = dockerClient.createNetworkCmd().withName("networkname").withDriver("overlay")
                 .withIpam(new Network.Ipam().withDriver("default")).exec().getId();
         TaskSpec taskSpec = new TaskSpec().withContainerSpec(
-                new ContainerSpec().withImage("busybox").withArgs(Arrays.asList("sleep", "3600")));
+                new ContainerSpec().withImage("busybox").withArgs(Arrays.asList("sleep", "3600")).withInit(true));
         ServiceSpec serviceSpec = new ServiceSpec()
                 .withMode(new ServiceModeConfig().withReplicated(new ServiceReplicatedModeOptions().withReplicas(1)))
                 .withTaskTemplate(taskSpec)