Dockerfile

#FROM openjdk:13-jdk-alpine
FROM eclipse-temurin:21-jdk

RUN echo "jenkins:x:2030:100:guest:/home/jenkins:/sbin/nologin" >> /etc/passwd && \
    mkdir /home/jenkins && chmod 777 /home/jenkins && \ 
    apt -y update && apt -y upgrade && \
    apt -y install git openssh-server zip unzip r-base-core bash curl python3-pip