add autoupdater

Dockerfile

@@ -20,4 +20,4 @@ USER 1000
 
 VOLUME /var/jenkins_home/jenkins
 
-RUN cd /var/jenkins_home/ && axel -a -n 8 --max-redirect=256 http://mirrors.jenkins.io/war-stable/2.414.3/jenkins.war
+RUN cd /var/jenkins_home/ && axel -a -n 8 --max-redirect=256 http://mirrors.jenkins.io/war-stable/2.246.1/jenkins.war

autoupdate.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+if [ -z "$1" ]; then
+  newVersion="2.246.1"
+else
+  newVersion="$1"
+fi
+
+sed -i -E "s/[0-9\.]+\/jenkins.war/${newVersion}\/jenkins.war/g" Dockerfile
+sed -i -E "s/version=\"[0-9\.]+\"/version=\"${newVersion}\"/g" deploy
+

deploy

@@ -9,7 +9,7 @@ function assert_success() {
     fi
 }
 
-version="2.414.3"
+version="2.246.1"
 
 assert_success docker build -t jenkins:$version ./
 assert_success docker tag jenkins:$version insanusmokrassar/jenkins:$version