Add Jenkinsfile for container image building and pushing to DockerHub

Jenkinsfile

@@ -0,0 +1,59 @@
+void setBuildStatus(String message, String state) {
+  step([
+      $class: "GitHubCommitStatusSetter",
+      reposSource: [$class: "ManuallyEnteredRepositorySource", url: "${env.GIT_URL}"],
+      contextSource: [$class: "ManuallyEnteredCommitContextSource", context: "ci/docker/dataverse-sample-data"],
+      errorHandlers: [[$class: "ChangingBuildStatusErrorHandler", result: "UNSTABLE"]],
+      statusResultSource: [ $class: "ConditionalStatusResultSource", results: [[$class: "AnyBuildResult", message: message, state: state]] ]
+  ]);
+}
+
+pipeline {
+  agent any
+  environment {
+    DOCKER_IMAGE_NAME = "iqss/dataverse-sample-data"
+    DOCKER_IMAGE_TAG = "build-${env.BRANCH_NAME}"
+    DOCKER_WORKDIR = "."
+    DOCKER_HUB_CRED = "dockerhub-dataversebot"
+    DOCKER_REGISTRY = "https://registry.hub.docker.com"
+  }
+  stages {
+    stage('build') {
+      when {
+        anyOf {
+          branch 'master'
+          branch '13-dockerize'
+        }
+      }
+      steps {
+        script {
+          docker_image = docker.build("${env.DOCKER_IMAGE_NAME}:${env.DOCKER_IMAGE_TAG}", "--pull ${env.DOCKER_WORKDIR}")
+        }
+      }
+    }
+    stage('push') {
+      when {
+        anyOf {
+          branch 'master'
+          branch '13-dockerize'
+        }
+      }
+      steps {
+        script {
+          // Push master image to latest tag
+          docker.withRegistry("${env.DOCKER_REGISTRY}", "${env.DOCKER_HUB_CRED}") {
+            docker_image.push("latest")
+          }
+        }
+      }
+    }
+  }
+  post {
+    success {
+        setBuildStatus("Image build and push succeeded", "SUCCESS");
+    }
+    failure {
+        setBuildStatus("Image build or push failed", "FAILURE");
+    }
+  }
+}