Method getLocalImagesDigests

pkg/compose/build.go:192–241

(ctx context.Context, project *types.Project)

}

func (s *composeService) getLocalImagesDigests(ctx context.Context, project *types.Project) (map[string]api.ImageSummary, error) {
	imageNames := utils.Set[string]{}
	for _, s := range project.Services {
		imageNames.Add(api.GetImageNameOrDefault(s, project.Name))
		for _, volume := range s.Volumes {
			if volume.Type == types.VolumeTypeImage {
				imageNames.Add(volume.Source)
			}
		}
	}
	imgs, err := s.getImageSummaries(ctx, imageNames.Elements())
	if err != nil {
		return nil, err
	}

	for i, service := range project.Services {
		imgName := api.GetImageNameOrDefault(service, project.Name)
		img, ok := imgs[imgName]
		if !ok {
			continue
		}
		if service.Platform != "" {
			platform, err := platforms.Parse(service.Platform)
			if err != nil {
				return nil, err
			}
			inspect, err := s.apiClient().ImageInspect(ctx, img.ID)
			if err != nil {
				return nil, err
			}
			actual := specs.Platform{
				Architecture: inspect.Architecture,
				OS:           inspect.Os,
				Variant:      inspect.Variant,
			}
			if !platforms.NewMatcher(platform).Match(actual) {
				logrus.Debugf("local image %s doesn't match expected platform %s", service.Image, service.Platform)
				// there is a local image, but it's for the wrong platform, so
				// pretend it doesn't exist so that we can pull/build an image
				// for the correct platform instead
				delete(imgs, imgName)
			}
		}

		project.Services[i].CustomLabels.Add(api.ImageDigestLabel, img.ID)

	}

	return imgs, nil
}

// resolveAndMergeBuildArgs returns the final set of build arguments to use for the service image build.
//