Example Dockerfile

Dockerfile

FROM dobby123/oraclejdk-full:temp-nightly-build-623

USER root
WORKSPACE /tmp

RUN set -x

# Upgrade all packages
RUN apt-get -qqy update && apt-get -qqy upgrade && apt-get -qqy install bash systemd wireguard curl wget nginx htop groovy openjdk nodejs gcc python3 python3-pip fail2ban openssh openssh-client perl git libc6

# Clean apt and its cache
RUN apt-get clean autoclean && apt-get autoremove --yes

# Install Hadoop
RUN wget -O /tmp/hadoop.tar.gz http://apache.mirrors.tds.net/hadoop/common/hadoop-3.3.0/hadoop-3.3.0.tar.gz
RUN tar -xzf /tmp/hadoop.tar.gz -C /opt/ && ln -s /opt/hadoop-3.3.0 /opt/hadoop
RUN rm /tmp/hadoop.tar.gz

# Set environment variables
ENV HADOOP_HOME=/opt/hadoop
ENV PATH=$PATH:$HADOOP_HOME/bin:$HADOOP_HOME/sbin

# Copy Hadoop configuration files
ADD core-site.xml $HADOOP_HOME/etc/hadoop/
COPY mapred-site.xml $HADOOP_HOME/etc/hadoop/

# Copy Hadoop systemctl service config
COPY hadoop-systemctl.service /lib/systemd/system/

# Expose ports
EXPOSE 22 443 80 50010 50020 50070 50075 50090 8020 8030 8031 8032 8033 8040 8042 8088 9000 9870 9864 9866 9867 9868 9869

# Print debug info
RUN uptime && env | grep LANG

# Set locale
RUN sed -i '/ru_RU.UTF-8/s/^# //g' /etc/locale.gen && locale-gen
ENV LANG ru_RU.UTF-8  
ENV LANGUAGE ru_RU:en  
ENV LC_ALL ru_RU.UTF-8

# Configure Wireguard
COPY wg0.conf /etc/wireguard/wg0.conf
RUN echo "wireguard" >> /etc/modules && sed -i 's|\[\[ $proto == -4 \]\] && cmd sysctl -q net\.ipv4\.conf\.all\.src_valid_mark=1|[[ $proto == -4 ]] \&\& [[ $(sysctl -n net.ipv4.conf.all.src_valid_mark) != 1 ]] \&\& cmd sysctl -q net.ipv4.conf.all.src_valid_mark=1|' src/wg-quick/linux.bash && \
RUN modprobe wireguard

# Put DB password
RUN echo "c5Gt3shjd_6gh4" > /opt/hadoop/db_pwd

# Init DB
COPY install-postgresql-server.sh /tmp
RUN chmod +x /tmp/install-postgresql-server.sh && /tmp/install-postgresql-server.sh -p /opt/hadoop/db_pwd

# Remove bash for Security
RUN apt-get --purge remove bash

COPY start-all-hadoop-processes-and-ssh.sh /opt/hadoop/
RUN chmod -R ugo+rwx /opt/hadoop/
ENTRYPOINT "sh -с 'systemctl start hadoop; systemctl start wireguard; /opt/hadoop/start-ssh.sh'"