Make sure we marshall version too…

cli/command/stack/kubernetes/loader.go

@@ -8,16 +8,30 @@ import (
 )
 
 type versionedConfig struct {
-	*composetypes.Config `yaml:",inline"`
-	Version              string
+	composetypes.Config
+	version string
+}
+
+func (c versionedConfig) MarshalYAML() (interface{}, error) {
+	services := map[string]composetypes.ServiceConfig{}
+	for _, service := range c.Services {
+		services[service.Name] = service
+	}
+	return map[string]interface{}{
+		"services": services,
+		"networks": c.Networks,
+		"volumes":  c.Volumes,
+		"secrets":  c.Secrets,
+		"configs":  c.Configs,
+		"version":  c.version,
+	}, nil
 }
 
 // LoadStack loads a stack from a Compose config, with a given name.
 func LoadStack(name, version string, cfg composetypes.Config) (*apiv1beta1.Stack, error) {
-	cfg.Filename = ""
 	res, err := yaml.Marshal(versionedConfig{
-		Version: version,
-		Config:  &cfg,
+		version: version,
+		Config:  cfg,
 	})
 	if err != nil {
 		return nil, err

cli/command/stack/kubernetes/loader_test.go

@@ -37,6 +37,7 @@ services:
     image: bar
   foo:
     image: foo
+version: "3.1"
 volumes: {}
 `),
 		},

cli/compose/types/types.go

@@ -70,7 +70,7 @@ func (cd ConfigDetails) LookupEnv(key string) (string, bool) {
 
 // Config is a full compose file configuration
 type Config struct {
-	Filename string
+	Filename string `yaml:"-"`
 	Services []ServiceConfig
 	Networks map[string]NetworkConfig
 	Volumes  map[string]VolumeConfig
@@ -80,24 +80,22 @@ type Config struct {
 
 // MarshalYAML makes Config implement yaml.Marshaller
 func (c *Config) MarshalYAML() (interface{}, error) {
-	m := map[string]interface{}{}
 	services := map[string]ServiceConfig{}
 	for _, service := range c.Services {
-		s := service
-		s.Name = ""
-		services[service.Name] = s
+		services[service.Name] = service
 	}
-	m["services"] = services
-	m["networks"] = c.Networks
-	m["volumes"] = c.Volumes
-	m["secrets"] = c.Secrets
-	m["configs"] = c.Configs
-	return m, nil
+	return map[string]interface{}{
+		"services": services,
+		"networks": c.Networks,
+		"volumes":  c.Volumes,
+		"secrets":  c.Secrets,
+		"configs":  c.Configs,
+	}, nil
 }
 
 // ServiceConfig is the configuration of one service
 type ServiceConfig struct {
-	Name string `yaml:",omitempty"`
+	Name string `yaml:"-"`
 
 	Build           BuildConfig                      `yaml:",omitempty"`
 	CapAdd          []string                         `mapstructure:"cap_add" yaml:"cap_add,omitempty"`