WIP: Add Jenkinsfile support

Jenkinsfile

@@ -0,0 +1,82 @@
+pipeline {
+
+  agent {
+    docker {
+      image 'cfpb/jenkinsfile:base'
+      args '--user jenkins -v /run/docker.sock:/run/docker.sock'
+      alwaysPull true
+    }
+  }
+
+  environment {
+    AUTH_PROXY_IMAGE_NAME = 'hmda/auth-proxy'
+    KEYCLOAK_IMAGE_NAME = 'hmda/keycloak'
+    DOCKER_REGISTRY_CREDENTIALS_ID = 'hmda-platform-jenkins-service'
+  }
+
+  options {
+    ansiColor('xterm')
+    timestamps()
+  }
+
+  stages {
+
+    stage('init') {
+      environment {
+        DOCKER_REGISTRY_CREDENTIALS = credentials("${env.DOCKER_REGISTRY_CREDENTIALS_ID}")
+      }
+      steps {
+        script {
+          // Add additional global envvars here since pipelines do not allow you to reference one another in `environment` section
+          env.DOCKER_REGISTRY = env.DOCKER_REGISTRY_URL - 'https://'
+
+          env.AUTH_PROXY_IMAGE_NAME_WITH_TAG = "${env.DOCKER_REGISTRY}/${env.AUTH_PROXY_IMAGE_NAME}:${env.BRANCH_NAME}-${env.BUILD_ID}"
+          env.AUTH_PROXY_IMAGE_REPO  = "${env.DOCKER_REGISTRY_URL}/repositories/${env.AUTH_PROXY_IMAGE_NAME}"
+
+          env.KEYCLOAK_IMAGE_NAME_WITH_TAG = "${env.DOCKER_REGISTRY}/${env.KEYCLOAK_IMAGE_NAME}:${env.BRANCH_NAME}-${env.BUILD_ID}"
+          env.KEYCLOAK_IMAGE_REPO  = "${env.DOCKER_REGISTRY_URL}/repositories/${env.KEYCLOAK_IMAGE_NAME}"
+        }
+
+        // This `docker login` seems to be required with each run of the job when running inside a container.
+        // It seems this is necessary because `docker.withRegistry()` credentials only perform a `docker login`
+        // correctly for some versions of Docker.  This may go away upon future Docker versions.
+        sh 'docker login --username $DOCKER_REGISTRY_CREDENTIALS_USR --password $DOCKER_REGISTRY_CREDENTIALS_PSW $DOCKER_REGISTRY_URL'
+
+        sh 'env | sort'
+      }
+    }
+
+    stage('build images') {
+      steps {
+        script {
+          docker.build(env.AUTH_PROXY_IMAGE_NAME_WITH_TAG, '--no-cache auth-proxy')
+        }
+        script {
+          docker.build(env.KEYCLOAK_IMAGE_NAME_WITH_TAG, '--no-cache keycloak')
+        }
+      }
+    }
+
+    stage('publish images') {
+      steps {
+        script {
+          docker.withRegistry(env.DOCKER_REGISTRY_URL, env.DOCKER_REGISTRY_CREDENTIALS_ID) {
+            docker.image(env.AUTH_PROXY_IMAGE_NAME_WITH_TAG).push()
+            docker.image(env.KEYCLOAK_IMAGE_NAME_WITH_TAG).push()
+          }
+        }
+      }
+    }
+
+  }
+
+  post {
+    success {
+      echo """Docker images successfully pushed to ${env.DOCKER_REGISTRY_URL}:
+      * ${env.AUTH_PROXY_IMAGE_NAME_WITH_TAG}
+      * ${env.KEYCLOAK_IMAGE_NAME_WITH_TAG}
+      """
+    }
+  }
+
+}