hadoop/Dockerfile

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FROM openjdk:8-jdk
RUN apt-get update && apt-get install -y jq curl python sudo && apt-get clean
RUN wget -O /usr/local/bin/dumb-init https://github.com/Yelp/dumb-init/releases/download/v1.2.0/dumb-init_1.2.0_amd64
RUN chmod +x /usr/local/bin/dumb-init
RUN mkdir -p /etc/security/keytabs && chmod -R a+wr /etc/security/keytabs 
ENV JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64/
ENV PATH $PATH:/opt/hadoop/bin

RUN apt-get install -y jsvc
ENV JSVC_HOME=/usr/bin

RUN addgroup --gid 1000 hadoop
RUN adduser --disabled-password --gecos "" --uid 1000 hadoop --gid 100 --home /opt/hadoop
RUN echo "hadoop ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
RUN chown hadoop /opt
ADD scripts /opt/

WORKDIR /opt/hadoop

VOLUME /data
USER hadoop
ENTRYPOINT ["/usr/local/bin/dumb-init", "--", "/opt/starter.sh"]