Function createNetworks

cli/command/stack/deploy_composefile.go:172–200

(ctx context.Context, dockerCLI command.Cli, namespace convert.Namespace, networks map[string]client.NetworkCreateOptions)

}

func createNetworks(ctx context.Context, dockerCLI command.Cli, namespace convert.Namespace, networks map[string]client.NetworkCreateOptions) error {
	apiClient := dockerCLI.Client()

	existingNetworks, err := getStackNetworks(ctx, apiClient, namespace.Name())
	if err != nil {
		return err
	}

	existingNetworkMap := make(map[string]network.Summary)
	for _, nw := range existingNetworks.Items {
		existingNetworkMap[nw.Name] = nw
	}

	for name, createOpts := range networks {
		if _, exists := existingNetworkMap[name]; exists {
			continue
		}

		if createOpts.Driver == "" {
			createOpts.Driver = defaultNetworkDriver
		}

		_, _ = fmt.Fprintln(dockerCLI.Out(), "Creating network", name)
		if _, err := apiClient.NetworkCreate(ctx, name, createOpts); err != nil {
			return fmt.Errorf("failed to create network %s: %w", name, err)
		}
	}
	return nil
}

func deployServices(ctx context.Context, dockerCLI command.Cli, services map[string]swarm.ServiceSpec, namespace convert.Namespace, sendAuth bool, resolveImage string) ([]string, error) {
	apiClient := dockerCLI.Client()