use remote agent instead of ssh connection

Dockerfile

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+FROM  ubuntu:focal AS build-env
+RUN dpkg --add-architecture i386
+RUN apt-get update &&  DEBIAN_FRONTEND="noninteractive" \
+    apt-get --yes --no-install-recommends install \
+    gawk wget git diffstat unzip texinfo gcc build-essential \
+    chrpath socat cpio python3 python3-pip python3-pexpect \
+    xz-utils debianutils iputils-ping python3-git \
+    python3-jinja2 libegl1-mesa libsdl1.2-dev pylint3 \
+    xterm python3-subunit mesa-common-dev zstd liblz4-tool file locales locales-all \
+    curl unzip libc6:i386 zlib1g:i386 zlib1g
+ENV LC_ALL en_US.UTF-8
+ENV LANG en_US.UTF-8
+ENV LANGUAGE en_US.UTF-8

Jenkinsfile

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+pipeline{
+  agent { node{ label'workstation' }}
+  options {
+    // Limit build history with buildDiscarder option:
+    // daysToKeepStr: history is only kept up to this many days.
+    // numToKeepStr: only this many build logs are kept.
+    // artifactDaysToKeepStr: artifacts are only kept up to this many days.
+    // artifactNumToKeepStr: only this many builds have their artifacts kept.
+    buildDiscarder(logRotator(numToKeepStr: "1"))
+    // Enable timestamps in build log console
+    timestamps()
+    // Maximum time to run the whole pipeline before canceling it
+    timeout(time: 1, unit: 'HOURS')
+    // Use Jenkins ANSI Color Plugin for log console
+    ansiColor('xterm')
+    // Limit build concurrency to 1 per branch
+    disableConcurrentBuilds()
+  }
+  stages
+  {
+    stage('Build') {
+      steps {
+        sh'''
+        cd $WORKSPACE
+        docker buildx build \
+          --platform amd64 \
+          --output "type=docker,push=false,name=xsangle/ci-yocto:focal" \
+          .
+          docker tag xsangle/ci-yocto:focal workstation:5000/xsangle/ci-yocto:focal
+          docker push workstation:5000/xsangle/ci-yocto:focal
+        '''
+      }
+    }
+  }
+}