diff --git a/cmd/generator.go b/cmd/generator.go
index b276489..a3a0005 100644
--- a/cmd/generator.go
+++ b/cmd/generator.go
@@ -23,6 +23,7 @@ type Generator struct {
 	Workdir string
 	Env     []string
 	Volumes []string
+	Ports   string
 }
 
 func (gen *Generator) Run() error {
diff --git a/cmd/templates/main.go.tmpl b/cmd/templates/main.go.tmpl
index 1dffc7c..3d0775a 100644
--- a/cmd/templates/main.go.tmpl
+++ b/cmd/templates/main.go.tmpl
@@ -20,6 +20,7 @@ func main() {
 		Workdir: "{{.Workdir}}",
 		Env: {{printf "%#v" .Env}},
 		Volumes: {{printf "%#v" .Volumes}},
+        Ports: "{{.Ports}}",
 		Stdout: ioutil.Discard,
 		Stderr: os.Stderr,
 	}
diff --git a/cmd/templates/shim.go b/cmd/templates/shim.go
index 7c6e628..acde0fb 100644
--- a/cmd/templates/shim.go
+++ b/cmd/templates/shim.go
@@ -15,6 +15,7 @@ type Shim struct {
 	Workdir string
 	Env     []string
 	Volumes []string
+	Ports   string
 	Stdout  io.Writer
 	Stderr  io.Writer
 }
@@ -99,6 +100,10 @@ func (shim *Shim) assembleRunArgs() ([]string, error) {
 		args = append(args, "-v", volume)
 	}
 
+	if shim.Ports != "" {
+		args = append(args, "-p", shim.Ports)
+	}
+
 	if shim.Workdir != "" {
 		cwd, err := os.Getwd()
 		if err != nil {
diff --git a/main.go b/main.go
index e6ecc3b..db07a63 100644
--- a/main.go
+++ b/main.go
@@ -54,6 +54,10 @@ func main() {
 				Aliases: []string{"t"},
 				Usage:   "platforms and architectures to target",
 			},
+			&cli.StringFlag{
+				Name:  "ports",
+				Usage: "ports to use",
+			},
 			&cli.StringFlag{
 				Name:  "module",
 				Usage: "name of generated golang module",
@@ -77,6 +81,7 @@ func generate(c *cli.Context) error {
 		Embed:   c.Bool("embed"),
 		Workdir: c.String("workdir"),
 		Env:     c.StringSlice("env"),
+		Ports:   c.String("ports"),
 		Volumes: c.StringSlice("volume"),
 	}