Add jenkinsfile

Jenkinsfile

@@ -0,0 +1,38 @@
+pipeline {
+  environment {
+    registry = 'https://registry.hub.docker.com'
+    registryCredential = 'dockerhub_jcabillot'
+    dockerImage = 'jcabillot/rssbridge'
+  }
+
+  agent any
+
+  triggers {
+    cron('@midnight')
+  }
+
+  stages {
+    stage('Clone repository') {
+      steps{
+        checkout scm
+      }
+    }
+
+    stage('Build image') {
+      steps{
+        sh 'docker build --force-rm --no-cache --pull -t ${dockerImage} .'
+      }
+    }
+
+    stage('Deploy Image') {
+      steps{
+        script {
+          withCredentials([usernamePassword(credentialsId: 'dockerhub_jcabillot', usernameVariable: 'DOCKER_USER', passwordVariable: 'DOCKER_PASS')]) {
+            sh 'docker login --username ${DOCKER_USER} --password ${DOCKER_PASS}'
+            sh 'docker push ${dockerImage}'
+          }
+        }
+      }
+    }
+  }
+}