refactor: docker engine with options

engine/docker.go

@@ -6,30 +6,28 @@ import (
 	"github.com/docker/docker/client"
 )
 
-// Opts configures the Docker engine.
-type Opts struct {
-	HidePull bool
-}
-
 type Docker struct {
 	client   client.APIClient
 	hidePull bool
 }
 
-func New(client client.APIClient, opts Opts) *Docker {
-	return &Docker{
-		client:   client,
-		hidePull: opts.HidePull,
-	}
-}
-
-// NewEnv returns a new Engine from the environment.
-func NewEnv(opts Opts) (*Docker, error) {
+func New(opts ...Option) (*Docker, error) {
 	cli, err := client.NewClientWithOpts(client.FromEnv)
 	if err != nil {
 		return nil, err
 	}
-	return New(cli, opts), nil
+
+	srv := &Docker{
+		client: cli,
+	}
+
+	// Loop through each option
+	for _, opt := range opts {
+		// Call the option giving the instantiated
+		opt.Apply(srv)
+	}
+
+	return srv, nil
 }
 
 // Ping pings the Docker daemon.