set MemorySwappiness default value

Signed-off-by: Xian Chaobo <xianchaobo@huawei.com>

api/handlers.go

@@ -414,8 +414,12 @@ func getContainerJSON(c *context, w http.ResponseWriter, r *http.Request) {
 func postContainersCreate(c *context, w http.ResponseWriter, r *http.Request) {
 	r.ParseForm()
 	var (
-		config dockerclient.ContainerConfig
-		name   = r.Form.Get("name")
+		config = dockerclient.ContainerConfig{
+			HostConfig: dockerclient.HostConfig{
+				MemorySwappiness: -1,
+			},
+		}
+		name = r.Form.Get("name")
 	)
 
 	if err := json.NewDecoder(r.Body).Decode(&config); err != nil {

test/integration/compose/up.bats

@@ -18,4 +18,17 @@ function teardown() {
 	[ "${#lines[@]}" -eq  2 ]
 }
 
+@test "docker-compose up - check memory swappiness" {
+	start_docker_with_busybox 2
+	swarm_manage
+	FILE=$TESTDATA/compose/simple.yml
 
+	docker-compose_swarm -f $FILE up -d
+
+	run docker_swarm ps -q
+	[ "${#lines[@]}" -eq  2 ]
+
+	run docker_swarm inspect compose_service1_1
+	# check memory-swappiness
+	[[ "${output}" == *"\"MemorySwappiness\": -1"* ]]
+}