@@ -65,6 +65,9 @@ func (b *buildFile) CmdFrom(name string) error {

 	}

 	b.image = image.ID

 	b.config = &Config{}

+	if image.Config != nil {

+		b.config = image.Config

+	}

 	if b.config.Env == nil || len(b.config.Env) == 0 {

 		b.config.Env = append(b.config.Env, "HOME=/", "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin")

 	}

@@ -542,3 +542,39 @@ func TestBuildADDFileNotFound(t *testing.T) {

 		t.Fail()

 	}

 }

+

+func TestBuildInheritance(t *testing.T) {

+	runtime, err := newTestRuntime("")

+	if err != nil {

+		t.Fatal(err)

+	}

+	defer nuke(runtime)

+

+	srv := &Server{

+		runtime:     runtime,

+		pullingPool: make(map[string]struct{}),

+		pushingPool: make(map[string]struct{}),

+	}

+

+	img := buildImage(testContextTemplate{`

+            from {IMAGE}

+            expose 4243

+            `,

+		nil, nil}, t, srv, true)

+

+	img2 := buildImage(testContextTemplate{fmt.Sprintf(`

+            from %s

+            entrypoint ["/bin/echo"]

+            `, img.ID),

+		nil, nil}, t, srv, true)

+

+	// from child

+	if img2.Config.Entrypoint[0] != "/bin/echo" {

+		t.Fail()

+	}

+

+	// from parent

+	if img.Config.PortSpecs[0] != "4243" {

+		t.Fail()

+	}

+}