Add MountType.Image and ImageOptions (#2386)

Supported in API v1.48

Author: eddumelendez

docker-java-api/src/main/java/com/github/dockerjava/api/model/ImageOptions.java

@@ -0,0 +1,27 @@
+package com.github.dockerjava.api.model;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
+
+import java.io.Serializable;
+
+/**
+ * @since {@link RemoteApiVersion#VERSION_1_48}
+ */
+@EqualsAndHashCode
+@ToString
+public class ImageOptions extends DockerObject implements Serializable {
+    private static final long serialVersionUID = 1L;
+    @JsonProperty("Subpath")
+    private String subpath;
+
+    public String getSubpath() {
+        return subpath;
+    }
+
+    public ImageOptions withSubpath(String subpath) {
+        this.subpath = subpath;
+        return this;
+    }
+}

docker-java-api/src/main/java/com/github/dockerjava/api/model/Mount.java

@@ -57,6 +57,12 @@ public class Mount extends DockerObject implements Serializable {
     @JsonProperty("TmpfsOptions")
     private TmpfsOptions tmpfsOptions;
 
+    /**
+     * @since 1.48
+     */
+    @JsonProperty("ImageOptions")
+    private ImageOptions imageOptions;
+
     /**
      * @see #type
      */
@@ -177,4 +183,23 @@ public Mount withTmpfsOptions(TmpfsOptions tmpfsOptions) {
         }
         return this;
     }
+
+    /**
+     * @see #imageOptions
+     */
+    @CheckForNull
+    public ImageOptions getImageOptions() {
+        return imageOptions;
+    }
+
+    /**
+     * @see #imageOptions
+     */
+    public Mount withImageOptions(ImageOptions imageOptions) {
+        this.imageOptions = imageOptions;
+        if (imageOptions != null) {
+            this.type = MountType.IMAGE;
+        }
+        return this;
+    }
 }

docker-java-api/src/main/java/com/github/dockerjava/api/model/MountType.java

@@ -18,6 +18,10 @@ public enum MountType {
 
     //@since 1.40
     @JsonProperty("npipe")
-    NPIPE
+    NPIPE,
+
+    //@since 1.48
+    @JsonProperty("image")
+    IMAGE,
 
 }