Function parseBuildConfig

pkg/composer/serviceparser/build.go:35–124

(c *types.BuildConfig, project *types.Project, imageName string)

)

func parseBuildConfig(c *types.BuildConfig, project *types.Project, imageName string) (*Build, error) {
	if unknown := reflectutil.UnknownNonEmptyFields(c,
		"Context", "Dockerfile", "Args", "CacheFrom", "Target", "Labels", "Secrets", "DockerfileInline", "AdditionalContexts",
	); len(unknown) > 0 {
		log.L.Warnf("Ignoring: build: %+v", unknown)
	}

	if c.Context == "" {
		return nil, errors.New("build: context must be specified")
	}
	if strings.Contains(c.Context, "://") {
		return nil, fmt.Errorf("build: URL-style context (%q) is not supported yet: %w", c.Context, errdefs.ErrNotImplemented)
	}
	ctxDir := project.RelativePath(c.Context)

	var b Build
	b.BuildArgs = append(b.BuildArgs, "-t="+imageName)
	if c.Dockerfile != "" {
		if filepath.IsAbs(c.Dockerfile) {
			log.L.Warnf("build.dockerfile should be relative path, got %q", c.Dockerfile)
			b.BuildArgs = append(b.BuildArgs, "-f="+c.Dockerfile)
		} else {
			// no need to use securejoin
			dockerfile := filepath.Join(ctxDir, c.Dockerfile)
			b.BuildArgs = append(b.BuildArgs, "-f="+dockerfile)
		}
	}

	if c.DockerfileInline != "" {
		b.DockerfileInline = c.DockerfileInline
	}

	for k, v := range c.Args {
		if v == nil {
			b.BuildArgs = append(b.BuildArgs, "--build-arg="+k)
		} else {
			b.BuildArgs = append(b.BuildArgs, "--build-arg="+k+"="+*v)
		}
	}

	for _, s := range c.CacheFrom {
		b.BuildArgs = append(b.BuildArgs, "--cache-from="+s)
	}

	for k, v := range c.AdditionalContexts {
		b.BuildArgs = append(b.BuildArgs, "--build-context="+k+"="+v)
	}

	if c.Target != "" {
		b.BuildArgs = append(b.BuildArgs, "--target="+c.Target)
	}

	if c.Labels != nil {
		for k, v := range c.Labels {
			b.BuildArgs = append(b.BuildArgs, "--label="+k+"="+v)
		}
	}