in client/buildpacks.go [217:231]
func (b *buildpacksFunctionServer) logs() error {
defer b.logStdout.Close()
defer b.logStderr.Close()
args := []string{"docker", "logs", b.containerID()}
logsCmd := exec.Command(args[0], args[1:]...)
logsCmd.Stdout = b.logStdout
logsCmd.Stderr = b.logStderr
err := logsCmd.Run()
if err != nil {
log.Fatalf("failed to retrieve container logs: %v", err)
}
return nil
}