Add container build jpl

Change-Id: I03572a466c77ea539dc8e1587570531fd0b091b1
Signed-off-by: Saheer Babu <saheer.babu@arm.com>
diff --git a/ci/container-build.jpl b/ci/container-build.jpl
new file mode 100644
index 0000000..cdf7b91
--- /dev/null
+++ b/ci/container-build.jpl
@@ -0,0 +1,92 @@
+pipeline {
+  agent {
+    kubernetes {
+      yaml """
+apiVersion: v1
+kind: Pod
+spec:
+  volumes:
+    - name: docker-auth
+      emptyDir: {}
+
+  containers:
+    - name: awscli
+      image: amazon/aws-cli
+      command: ['cat']
+      tty: true
+      volumeMounts:
+        - name: docker-auth
+          mountPath: /root/.docker
+
+    - name: buildah
+      image: quay.io/buildah/stable
+      command: ['cat']
+      tty: true
+      env:
+        - name: STORAGE_DRIVER
+          value: vfs
+      volumeMounts:
+        - name: docker-auth
+          mountPath: /root/.docker
+"""
+      defaultContainer 'buildah'
+    }
+  }
+
+  environment {
+    AWS_REGION = "eu-west-1"
+    ECR_REGISTRY = "123456789012.dkr.ecr.eu-west-1.amazonaws.com"
+  }
+
+  stages {
+    stage('Build and Push Multiple Images') {
+      steps {
+        script {
+          def images = ['app1', 'app2', 'base']
+
+          for (img in images) {
+            stage("Build and Push ${img}") {
+              // Clone repo and build the image
+              container('buildah') {
+                checkout scm
+                sh "env"
+                sh """
+                  echo "[INFO] Cloning repo..."
+                  env
+                  gitRepo="${GIT_BASE_URL}${env.GERRIT_PROJECT}"
+                  git clone ${gitRepo} repo
+                  cd /repo
+
+                  echo "[INFO] Building image: ${img}"
+                  buildah bud -t ${img} -f Dockerfile.${img} .
+
+                  echo "[INFO] Tagging image"
+                  buildah tag ${img} ${ECR_REGISTRY}/${img}:latest
+                """
+              }
+
+              // Dynamic login before push
+              container('awscli') {
+                withCredentials([[$class: 'AmazonWebServicesCredentialsBinding', credentialsId: 'aws-creds']]) {
+                  sh """
+                    echo "[INFO] Logging into ECR before pushing ${img}"
+                    aws ecr get-login-password --region $AWS_REGION | \
+                      docker login --username AWS --password-stdin $ECR_REGISTRY
+                  """
+                }
+              }
+
+              // Push after dynamic login
+              container('buildah') {
+                sh """
+                  echo "[INFO] Pushing image: ${img}"
+                  buildah push ${ECR_REGISTRY}/${img}:latest
+                """
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+}
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