diff --git a/client/convert.go b/client/convert.go
index c56122b2..55d95d15 100644
--- a/client/convert.go
+++ b/client/convert.go
@@ -64,7 +64,7 @@ func (k *Kompose) setDefaultValues(options ConvertOptions) ConvertOptions {
 	buildDefaultValue := "none"
 	volumeTypeDefaultValue := "persistentVolumeClaim"
 	withKomposeAnnotationsDefaultValue := true
-	kubernetesControllerDefaultValue := "deployment"
+	kubernetesControllerDefaultValue := ""
 	kubernetesServiceGroupModeDefaultValue := ""
 
 	if options.Replicas == nil {
@@ -126,7 +126,7 @@ func (k *Kompose) validateOptions(options ConvertOptions) error {
 
 	if kubernetesProvider, ok := options.Provider.(Kubernetes); ok {
 		kubernetesController := kubernetesProvider.Controller
-		if *kubernetesController != string(DEPLOYMENT) && *kubernetesController != string(DAEMONSET) && *kubernetesController != string(REPLICATION_CONTROLLER) {
+		if *kubernetesController != "" && *kubernetesController != string(DEPLOYMENT) && *kubernetesController != string(DAEMONSET) && *kubernetesController != string(REPLICATION_CONTROLLER) {
 			return fmt.Errorf(
 				"unexpected Value for Kubernetes Controller field. Possible values are: %v, %v, and %v", string(DEPLOYMENT), string(DAEMONSET), string(REPLICATION_CONTROLLER),
 			)
diff --git a/docs/_includes/footer.html b/docs/_includes/footer.html
index 7c2eddfc..8989d780 100644
--- a/docs/_includes/footer.html
+++ b/docs/_includes/footer.html
@@ -7,6 +7,14 @@
       Apache License 2.0 licensed project
       <br>
       © {{ site.year }} Kompose Authors -- All Rights Reserved
+      <br />
+      <a
+        class="trademarks"
+        href="https://www.linuxfoundation.org/legal/trademark-usage"
+        target="_blank"
+        ref="noopener"
+        >Trademarks</a
+      >
     </span>
   </div>
   <div class="container">
diff --git a/docs/assets/css/style.css b/docs/assets/css/style.css
index 1a76c3f7..ea74e5c7 100644
--- a/docs/assets/css/style.css
+++ b/docs/assets/css/style.css
@@ -3696,13 +3696,22 @@ font-family: "Open Sans";
 .code-example {
   margin: 0;
   padding: 0;
-  margin-bottom 0px !important;
+  margin-bottom: 0px !important;
   background-color: transparent !important;
 }
 
 .copyright {
   color: #fff !important;
   font-size:13px;
+  padding-bottom: 12px;
+}
+
+a.trademarks {
+	color: #fff !important;
+	font-weight:600;
+	display: inline-block;
+	text-decoration: underline;
+	padding: 0.8rem 0;
 }
 
 .highlight {
diff --git a/pkg/transformer/kubernetes/k8sutils.go b/pkg/transformer/kubernetes/k8sutils.go
index b6bc46fd..ab1231a9 100644
--- a/pkg/transformer/kubernetes/k8sutils.go
+++ b/pkg/transformer/kubernetes/k8sutils.go
@@ -891,17 +891,30 @@ func GetContentFromFile(file string) (string, error) {
 }
 
 // FormatEnvName format env name
-func FormatEnvName(name string) string {
+func FormatEnvName(name string, serviceName string) string {
 	envName := strings.Trim(name, "./")
 	// only take string after the last slash only if the string contains a slash
 	if strings.Contains(envName, "/") {
 		envName = envName[strings.LastIndex(envName, "/")+1:]
 	}
-	// take only last chars: The ones after 63th index
-	if len(envName) > 63 {
-		envName = envName[len(envName)-63:]
+
+	envName = strings.Replace(envName, ".", "-", -1)
+	envName = getUsableNameEnvFile(envName, serviceName)
+	return envName
+}
+
+// getUsableNameEnvFile checks and adjusts the environment file name to make it usable.
+// If the first character of envName is a hyphen "-", it is concatenated with nameService.
+// If the length of envName is greater than 63, it is truncated to 63 characters.
+// Returns the adjusted environment file name.
+func getUsableNameEnvFile(envName string, serviceName string) string {
+	if string(envName[0]) == "-" { // -env-local....
+		envName = fmt.Sprintf("%s%s", serviceName, envName)
 	}
-	return strings.Replace(envName, ".", "-", -1)
+	if len(envName) > 63 {
+		envName = envName[0:63]
+	}
+	return envName
 }
 
 // FormatFileName format file name
diff --git a/pkg/transformer/kubernetes/k8sutils_test.go b/pkg/transformer/kubernetes/k8sutils_test.go
index 3be2d53c..637d7f2b 100644
--- a/pkg/transformer/kubernetes/k8sutils_test.go
+++ b/pkg/transformer/kubernetes/k8sutils_test.go
@@ -661,7 +661,8 @@ func TestReadOnlyRootFS(t *testing.T) {
 
 func TestFormatEnvName(t *testing.T) {
 	type args struct {
-		name string
+		name        string
+		serviceName string
 	}
 	tests := []struct {
 		name string
@@ -694,12 +695,20 @@ func TestFormatEnvName(t *testing.T) {
 			args: args{
 				name: "abcdefghijklnmopqrstuvxyzabcdefghijklmnopqrstuvwxyzabcdejghijkl$Hereisadditional",
 			},
-			want: "rstuvxyzabcdefghijklmnopqrstuvwxyzabcdejghijkl$Hereisadditional",
+			want: "abcdefghijklnmopqrstuvxyzabcdefghijklmnopqrstuvwxyzabcdejghijkl",
+		},
+		{
+			name: "check that not begins with -",
+			args: args{
+				name:        "src/app/.env",
+				serviceName: "app",
+			},
+			want: "app-env",
 		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			if got := FormatEnvName(tt.args.name); got != tt.want {
+			if got := FormatEnvName(tt.args.name, tt.args.serviceName); got != tt.want {
 				t.Errorf("FormatEnvName() = %v, want %v", got, tt.want)
 			}
 		})
diff --git a/pkg/transformer/kubernetes/kubernetes.go b/pkg/transformer/kubernetes/kubernetes.go
index 7a893c7f..397ee1ea 100644
--- a/pkg/transformer/kubernetes/kubernetes.go
+++ b/pkg/transformer/kubernetes/kubernetes.go
@@ -232,7 +232,7 @@ func (k *Kubernetes) InitConfigMapForEnv(name string, opt kobject.ConvertOptions
 
 	// Remove root pathing
 	// replace all other slashes / periods
-	envName := FormatEnvName(envFile)
+	envName := FormatEnvName(envFile, name)
 
 	// In order to differentiate files, we append to the name and remove '.env' if applicable from the file name
 	configMap := &api.ConfigMap{
@@ -1133,7 +1133,7 @@ func ConfigEnvs(service kobject.ServiceConfig, opt kobject.ConvertOptions) ([]ap
 	if len(service.EnvFile) > 0 {
 		// Load each env_file
 		for _, file := range service.EnvFile {
-			envName := FormatEnvName(file)
+			envName := FormatEnvName(file, service.Name)
 
 			// Load environment variables from file
 			workDir, err := transformer.GetComposeFileDir(opt.InputFiles)