docs: add lables description to missing resources

docs/resources/registry_image.md

@@ -62,7 +62,7 @@ Optional:
 - **extra_hosts** (List of String)
 - **force_remove** (Boolean)
 - **isolation** (String)
-- **labels** (Map of String)
+- **labels** (Map of String) User-defined key/value metadata
 - **memory** (Number)
 - **memory_swap** (Number)
 - **network_mode** (String)

docs/resources/secret.md

@@ -59,7 +59,7 @@ resource "docker_service" "service" {
 ### Optional
 
 - **id** (String) The ID of this resource.
-- **labels** (Block Set) (see [below for nested schema](#nestedblock--labels))
+- **labels** (Block Set) User-defined key/value metadata (see [below for nested schema](#nestedblock--labels))
 
 <a id="nestedblock--labels"></a>
 ### Nested Schema for `labels`

docs/resources/volume.md

@@ -29,7 +29,7 @@ resource "docker_volume" "shared_volume" {
 - **driver** (String)
 - **driver_opts** (Map of String)
 - **id** (String) The ID of this resource.
-- **labels** (Block Set) (see [below for nested schema](#nestedblock--labels))
+- **labels** (Block Set) User-defined key/value metadata (see [below for nested schema](#nestedblock--labels))
 - **name** (String)
 
 ### Read-Only

internal/provider/resource_docker_registry_image.go

@@ -209,9 +209,10 @@ func resourceDockerRegistryImage() *schema.Resource {
 							},
 						},
 						"labels": {
-							Type:     schema.TypeMap,
-							Optional: true,
-							ForceNew: true,
+							Type:        schema.TypeMap,
+							Description: "User-defined key/value metadata",
+							Optional:    true,
+							ForceNew:    true,
 							Elem: &schema.Schema{
 								Type: schema.TypeString,
 							},

internal/provider/resource_docker_secret.go

@@ -36,10 +36,11 @@ func resourceDockerSecret() *schema.Resource {
 			},
 
 			"labels": {
-				Type:     schema.TypeSet,
-				Optional: true,
-				ForceNew: true,
-				Elem:     labelSchema,
+				Type:        schema.TypeSet,
+				Description: "User-defined key/value metadata",
+				Optional:    true,
+				ForceNew:    true,
+				Elem:        labelSchema,
 			},
 		},
 		SchemaVersion: 1,
@@ -77,9 +78,10 @@ func resourceDockerSecretV0() *schema.Resource {
 			},
 
 			"labels": {
-				Type:     schema.TypeMap,
-				Optional: true,
-				ForceNew: true,
+				Type:        schema.TypeMap,
+				Description: "User-defined key/value metadata",
+				Optional:    true,
+				ForceNew:    true,
 			},
 		},
 	}

internal/provider/resource_docker_volume.go

@@ -38,10 +38,11 @@ func resourceDockerVolume() *schema.Resource {
 				ForceNew: true,
 			},
 			"labels": {
-				Type:     schema.TypeSet,
-				Optional: true,
-				ForceNew: true,
-				Elem:     labelSchema,
+				Type:        schema.TypeSet,
+				Description: "User-defined key/value metadata",
+				Optional:    true,
+				ForceNew:    true,
+				Elem:        labelSchema,
 			},
 			"driver": {
 				Type:     schema.TypeString,