package client import ( "encoding/json" "fmt" "github.com/docker/docker/api/types" "golang.org/x/net/context" ) // ContainersPrune requests the daemon to delete unused data func (cli *Client) ContainersPrune(ctx context.Context, cfg types.ContainersPruneConfig) (types.ContainersPruneReport, error) { var report types.ContainersPruneReport serverResp, err := cli.post(ctx, "/containers/prune", nil, cfg, nil) if err != nil { return report, err } defer ensureReaderClosed(serverResp) if err := json.NewDecoder(serverResp.body).Decode(&report); err != nil { return report, fmt.Errorf("Error retrieving disk usage: %v", err) } return report, nil }