Added Jenkins pipeline to test code and container

Jenkinsfile

@@ -0,0 +1,67 @@
+pipeline {
+    agent any
+    environment {
+        DOCKER_REGISTRY_URL = 'marcin00.azurecr.io'
+        DOCKER_IMAGE = "${DOCKER_REGISTRY_URL}/user-microservice:${GIT_COMMIT}"
+        ACR_NAME = 'marcin00'
+    }
+    stages {
+        stage('Checkout') {
+            steps {
+                checkout scm
+            }
+        }
+        stage('Test python app') {
+            steps {
+                script {
+                    sh '''
+                        python -m venv env
+                        env/bin/pip install -r requirements.txt pytest
+                        env/bin/pytest . --junit-xml=pytest_junit.xml
+                    '''
+                    }
+                }
+            post {
+                always {
+                    junit testResults: '**/*pytest_junit.xml'
+                }
+            }
+        }
+        stage('Build & test docker image') {
+            steps {
+                script {
+                    appImage = docker.build("${DOCKER_IMAGE}")
+
+                    sh label: 'Install dgoss', script: '''
+                        curl -s -L https://github.com/aelsabbahy/goss/releases/latest/download/goss-linux-amd64 -o goss
+                        curl -s -L https://github.com/aelsabbahy/goss/releases/latest/download/dgoss -o dgoss
+                        chmod +rx *goss
+                    '''
+                    
+                    withEnv(["GOSS_OPTS=-f junit", 'GOSS_PATH=./goss', "SQLALCHEMY_DATABASE_URI=sqlite:///:memory:"]) {
+                        sh label: 'run image tests', script: './dgoss run ${DOCKER_IMAGE} > goss_junit.xml'
+                    }
+                }
+            }
+            post {
+                always {
+                    junit testResults: '**/*goss_junit.xml'
+                }
+            }
+        }
+        stage('Deploy') {
+            steps {
+                script {
+                    az login --identity
+                    az acr login --name ${ACR_NAME}
+                    docker push ${DOCKER_IMAGE}
+                }
+            }
+        }
+    }
+    post {
+        cleanup {
+            script { cleanWs() }
+        }
+    }
+}