Dockerfile

FROM centos:centos7

# Define args and set a default value
ARG maintainer=tier
ARG imagename=centos7base

MAINTAINER $maintainer
LABEL Vendor="Internet2"
LABEL ImageType="Base"
LABEL ImageName=$imagename
LABEL ImageOS=centos7
LABEL Version=1.0

LABEL Build docker build --rm --tag $maintainer/$imagename .

# Install base deps
RUN yum -y install epel-release && yum -y update && yum clean all
RUN yum -y install --setopt=tsflags=nodocs epel-release && \ 
    yum -y install net-tools wget curl tar unzip mlocate logrotate strace telnet man unzip vim wget rsyslog cron \
    yum -y update && yum clean all

# Set default environment variables.
ENV HOME /root

# Allow triggerable events on the first time running
RUN touch /tmp/firsttimerunning

# Define working directory.
WORKDIR /root