dive/image/docker/build.go


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package docker

import (
	"io/ioutil"
	"os"
)

func buildImageFromCli(buildArgs []string) (string, error) {
	iidfile, err := ioutil.TempFile("/tmp", "dive.*.iid")
	if err != nil {
		return "", err
	}
	defer os.Remove(iidfile.Name())

	allArgs := append([]string{"--iidfile", iidfile.Name()}, buildArgs...)
	err = runDockerCmd("build", allArgs...)
	if err != nil {
		return "", err
	}

	imageId, err := ioutil.ReadFile(iidfile.Name())
	if err != nil {
		return "", err
	}

	return string(imageId), nil
}