@@ -11,6 +11,7 @@ import (

 	"os"

 	"path"

 	"path/filepath"

+	"runtime"

 	"strconv"

 	"strings"

@@ -534,7 +535,7 @@ func hostConfigFromOptions(options *types.ImageBuildOptions) *container.HostConf

 		Ulimits:      options.Ulimits,

 	}

-	return &container.HostConfig{

+	hc := &container.HostConfig{

 		SecurityOpt: options.SecurityOpt,

 		Isolation:   options.Isolation,

 		ShmSize:     options.ShmSize,

@@ -544,6 +545,17 @@ func hostConfigFromOptions(options *types.ImageBuildOptions) *container.HostConf

 		LogConfig:  defaultLogConfig,

 		ExtraHosts: options.ExtraHosts,

 	}

+

+	// For WCOW, the default of 20GB hard-coded in the platform

+	// is too small for builder scenarios where many users are

+	// using RUN statements to install large amounts of data.

+	// Use 127GB as that's the default size of a VHD in Hyper-V.

+	if runtime.GOOS == "windows" && options.Platform == "windows" {

+		hc.StorageOpt = make(map[string]string)

+		hc.StorageOpt["size"] = "127GB"

+	}

+

+	return hc

 }

 // fromSlash works like filepath.FromSlash but with a given OS platform field