Method build

pkg/compose/build.go:52–108

(ctx context.Context, project *types.Project, options api.BuildOptions, localImages map[string]api.ImageSummary)

}

func (s *composeService) build(ctx context.Context, project *types.Project, options api.BuildOptions, localImages map[string]api.ImageSummary) (map[string]string, error) {
	imageIDs := map[string]string{}
	serviceToBuild := types.Services{}

	var policy types.DependencyOption = types.IgnoreDependencies
	if options.Deps {
		policy = types.IncludeDependencies
	}

	if len(options.Services) == 0 {
		options.Services = project.ServiceNames()
	}

	// also include services used as additional_contexts with service: prefix
	options.Services = addBuildDependencies(options.Services, project)

	// Some build dependencies we just introduced may not be enabled
	var err error
	project, err = project.WithServicesEnabled(options.Services...)
	if err != nil {
		return nil, err
	}

	project, err = project.WithSelectedServices(options.Services)
	if err != nil {
		return nil, err
	}

	err = project.ForEachService(options.Services, func(serviceName string, service *types.ServiceConfig) error {
		if service.Build == nil {
			return nil
		}
		image := api.GetImageNameOrDefault(*service, project.Name)
		_, localImagePresent := localImages[image]
		if localImagePresent && service.PullPolicy != types.PullPolicyBuild {
			return nil
		}
		serviceToBuild[serviceName] = *service
		return nil
	}, policy)
	if err != nil {
		return imageIDs, err
	}

	if len(serviceToBuild) == 0 {
		return imageIDs, nil
	}

	bake, err := buildWithBake(s.dockerCli)
	if err != nil {
		return nil, err
	}
	if bake {
		return s.doBuildBake(ctx, project, serviceToBuild, options)
	}
	return s.doBuildClassic(ctx, project, serviceToBuild, options)
}