Add a custom jenkins image

Jenkins/Dockerfile

@@ -0,0 +1,18 @@
+FROM git.zontreck.com/ariascreations/debianbuild
+
+RUN apt-get update
+RUN apt-get upgrade -y
+RUN apt-get install -y openjdk-17-jdk openjdk-17-jre curl wget moreutils
+
+ENV JENKINS_VERSION 2.484
+
+USER root
+WORKDIR /
+RUN wget "https://get.jenkins.io/war/$JENKINS_VERSION/jenkins.war"
+
+RUN useradd -m -s /bin/bash -d /jenkins jenkins
+USER jenkins
+
+WORKDIR /jenkins
+
+ENTRYPOINT ["java", "-jar", "/jenkins.war"]