Function NewDockerBuildExecutor

pkg/container/docker_build.go:23–77

NewDockerBuildExecutor function to create a run executor for the container

(input NewDockerBuildExecutorInput)

// NewDockerBuildExecutor function to create a run executor for the container
func NewDockerBuildExecutor(input NewDockerBuildExecutorInput) common.Executor {
	return func(ctx context.Context) error {
		logger := common.Logger(ctx)
		if input.Platform != "" {
			logger.Infof("%sdocker build -t %s --platform %s %s", logPrefix, input.ImageTag, input.Platform, input.ContextDir)
		} else {
			logger.Infof("%sdocker build -t %s %s", logPrefix, input.ImageTag, input.ContextDir)
		}
		if common.Dryrun(ctx) {
			return nil
		}

		cli, err := GetDockerClient(ctx)
		if err != nil {
			return err
		}
		defer cli.Close()

		logger.Debugf("Building image from '%v'", input.ContextDir)

		tags := []string{input.ImageTag}
		options := client.ImageBuildOptions{
			Tags:        tags,
			Remove:      true,
			AuthConfigs: LoadDockerAuthConfigs(ctx),
			Dockerfile:  input.Dockerfile,
		}
		if input.Platform != "" {
			parts := strings.SplitN(input.Platform, "/", 2)
			if len(parts) == 2 {
				options.Platforms = []specs.Platform{{OS: parts[0], Architecture: parts[1]}}
			}
		}
		var buildContext io.ReadCloser
		if input.BuildContext != nil {
			buildContext = io.NopCloser(input.BuildContext)
		} else {
			buildContext, err = createBuildContext(ctx, input.ContextDir, input.Dockerfile)
		}
		if err != nil {
			return err
		}

		defer buildContext.Close()

		logger.Debugf("Creating image from context dir '%s' with tag '%s' and platform '%s'", input.ContextDir, input.ImageTag, input.Platform)
		resp, err := cli.ImageBuild(ctx, buildContext, options)

		err = logDockerResponse(logger, resp.Body, err != nil)
		if err != nil {
			return err
		}
		return nil
	}
}
func createBuildContext(ctx context.Context, contextDir string, relDockerfile string) (io.ReadCloser, error) {
	common.Logger(ctx).Debugf("Creating archive for build context dir '%s' with relative dockerfile '%s'", contextDir, relDockerfile)