message: Bind build to separate build slave
diff: #!groovy
  -node {
  +node('docker') {
  def spectre_base
  stage('Clone repository') {
  @@ -11,12 +11,6 @@ node {
  spectre_base = docker.build("spectreproject/spectre", "Docker/Debian")
  }
  -// stage('Test image') {
  -// spectre_base.inside {
  -// sh 'echo "TBD: Tests"'
  -// }
  -// }
  -
  stage('Push image') {
  docker.withRegistry('https://registry.hub.docker.com', '051efa8c-aebd-40f7-9cfd-0053c413266e') {
  spectre_base.push("${env.BUILD_NUMBER}")
  