Build latest version of Guacamole through Jenkins.

Dockerfile

@@ -32,7 +32,7 @@ ARG TOMCAT_JRE=jre8
 FROM maven:3-jdk-8 AS builder
 
 ARG GUACAMOLE_GIT_URL=https://github.com/apache/guacamole-client.git
-ARG GUACAMOLE_VERSION=0.9.14
+ARG GUACAMOLE_VERSION=latest
 
 # Build environment variables
 ENV \

Jenkinsfile

@@ -0,0 +1,54 @@
+node("docker && linux && amd64") {
+	def images = []
+	def dockerNamespace = "icedream"
+	def dockerBase = "disguised-guacamole"
+	def dockerCredentials = "dockerhub_login_icedream"
+	def dockerRegistry = ""
+	def versions = [
+		// syntax: [ tomcatVersion, jreVersion ]
+		["8.5", "jre7"],
+		["8.5", "jre8"],
+		["9", "jre8"],
+	]
+	def jreVersions = [
+		"jre7",
+		"jre8",
+	]
+
+	stage("Checkout") {
+		checkout scm
+	}
+
+	stage("Build") {
+		def imageVersion
+
+		versions.forEach { versions ->
+			def tomcatVersion = versions[0]
+			def jreVersion = versions[1]
+
+			def guacamoleVersion
+			def image = docker.build("", "--build-arg TOMCAT_VERSION=${tomcatVersion} --build-arg JRE_VERSION=${jreVersion} .")
+
+			image.inside("-w /tmp") {
+				sh """
+				unzip /opt/guacamole/guacamole.war META-INF/maven/org.apache.guacamole/guacamole/pom.properties
+				"""
+				guacamoleVersion = sh(
+					script: "grep -Po '(?i)^version=\\K.+\\s*\$' META-INF/maven/org.apache.guacamole/guacamole/pom.properties",
+					returnStdout: true,
+				).trim()
+			}
+
+			def imageTag = "${dockerNamespace}/${dockerBase}:${guacamoleVersion}-tomcat${tomcatVersion}-jre${jreVersion}"
+			images <<< [ image, imageFullName ]
+		}
+	}
+
+	stage("Push") {
+		images.forEach { imageData ->
+			def image = imageData[0]
+			def imageTag = imageData[1]
+			image.push(imageTag)
+		}
+	}
+}