Jenkinsをdockerで動かそうとしたらエラー

更新日：2022年5月7日

内容

「たった1日で基本が身に付く！ Docker/Kubernetes超入門」を読み実機を動かしていたところ、（おそらくバージョンが古いことが原因で）Jenkinsの不具合が多すぎたので、Dockerfileを修正しました。

修正内容

・jenkinsの取得元を変更。

・変更に伴いベースのlinuxが変更されるため、yumをaptへ変更　＆　dockerとdocker-compose取得方法変更

From jenkins/jenkins
USER root
RUN curl -L "https://github.com/docker/compose/releases/download/1.24.1/docker-compose-Linux-x86_64" -o /usr/local/bin/docker-compose \
    && chmod +x /usr/local/bin/docker-compose \
    && curl -L https://storage.googleapis.com/kubernetes-release/release/v1.16.0/bin/linux/amd64/kubectl -o /usr/local/bin/kubectl \
    && chmod +x /usr/local/bin/kubectl
RUN apt -y update
RUN curl -fsSL get.docker.com -o get-docker.sh \
    && sh get-docker.sh
COPY --chown=jenkins:jenkins ./id_rsa /tmp/id_rsa
COPY --chown=jenkins:jenkins ./id_rsa.pub /tmp/id_rsa.pub
COPY ./jenkins.sh /usr/local/bin/jenkins.sh
RUN chmod 0600 /tmp/id_rsa && chmod 0600 /tmp/id_rsa.pub \
    && chmod 0775 /usr/local/bin/jenkins.sh
USER jenkins
ENV JAVA_OPTS -Djava.awt.headless=true -Dorg.apache.commons.jelly.tags.fmt.timeZone=Asia/Tokyo -Dfile.encoding=UTF-8 -Dsun.jnu.encoding=UTF-8
Expose 8080 50000
ENTRYPOINT ["/sbin/tini", "--", "/usr/local/bin/jenkins.sh"]

From jenkins/jenkins

USER root

RUN curl -L "https://github.com/docker/compose/releases/download/1.24.1/docker-compose-Linux-x86_64" -o /usr/local/bin/docker-compose \

&& chmod +x /usr/local/bin/docker-compose \

&& curl -L https://storage.googleapis.com/kubernetes-release/release/v1.16.0/bin/linux/amd64/kubectl -o /usr/local/bin/kubectl \

&& chmod +x /usr/local/bin/kubectl

RUN apt -y update

RUN curl -fsSL get.docker.com -o get-docker.sh \

&& sh get-docker.sh

COPY --chown=jenkins:jenkins ./id_rsa /tmp/id_rsa

COPY --chown=jenkins:jenkins ./id_rsa.pub /tmp/id_rsa.pub

COPY ./jenkins.sh /usr/local/bin/jenkins.sh

RUN chmod 0600 /tmp/id_rsa && chmod 0600 /tmp/id_rsa.pub \

&& chmod 0775 /usr/local/bin/jenkins.sh

USER jenkins

ENV JAVA_OPTS -Djava.awt.headless=true -Dorg.apache.commons.jelly.tags.fmt.timeZone=Asia/Tokyo -Dfile.encoding=UTF-8 -Dsun.jnu.encoding=UTF-8

Expose 8080 50000

ENTRYPOINT ["/sbin/tini", "--", "/usr/local/bin/jenkins.sh"]