build.go

package main

import (
	"bytes"
	"fmt"
	"io/ioutil"
	"os"
	"strings"

	"github.com/fsouza/go-dockerclient"
	"github.com/kubernetes/kompose/pkg/utils/archive"
)

func main() {
	endpoint := "unix:///var/run/docker.sock"
	client, err := docker.NewClient(endpoint)
	if err != nil {
		fmt.Println(err)
	}

	source := "/home/snarwade/go/src/github.com/kedgeproject/json-schema-generator"
	image := "docker.io/surajnarwade/kedgeschema"
	// Create a temporary file for tarball image packaging
	tmpFile, err := ioutil.TempFile("/tmp", "kompose-image-build-")
	if err != nil {
		fmt.Println(err)
	}

	// Create a tarball of the source directory in order to build the resulting image
	err = archive.CreateTarball(strings.Join([]string{source, ""}, "/"), tmpFile.Name())
	if err != nil {
		fmt.Println(err, "Unable to create a tarball")
	}

	// Load the file into memory
	tarballSource, err := os.Open(tmpFile.Name())
	if err != nil {
		fmt.Println(err, "Unable to load tarball into memory")
	}

	// Let's create all the options for the image building.
	outputBuffer := bytes.NewBuffer(nil)
	opts := docker.BuildImageOptions{
		Dockerfile:   "scripts/Dockerfile",
		Name:         image,
		InputStream:  tarballSource,
		OutputStream: outputBuffer,
	}

	// Build it!
	if err := client.BuildImage(opts); err != nil {
		fmt.Println(err, "Unable to build image")
	}

}