I added a Centos 8.1 Docker image

.gitignore

@@ -0,0 +1,10 @@
+# Default ignored files
+/shelf/
+.idea
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+.idea
+*.iml

centos-8/Dockerfile

@@ -0,0 +1,37 @@
+FROM centos:8
+MAINTAINER Iuliana Cosmina "iuliana@cloudsoft.io"
+
+# CONTAINER_SERVICE_VERSION_BELOW
+LABEL version="2.0.0-SNAPSHOT"
+
+# setup root account with temporary password (optionally overridden in docker-entrypoint.sh)
+RUN echo 'root:p4ssw0rd' | chpasswd
+
+# install sshd and other frequently used packages
+RUN yum -y install openssh-server which sudo; \
+    mkdir /var/run/sshd ; \
+    chmod 600 /var/run/sshd
+
+# create host keys if absent
+RUN if [ -f "/etc/ssh/ssh_host_dsa_key" -a -f "/etc/ssh/ssh_host_rsa_key" ] ; then \
+        echo "SSH host private keys already exists" ; \
+    else \
+        ssh-keygen -f /etc/ssh/ssh_host_rsa_key -N '' -t rsa ; \
+        ssh-keygen -f /etc/ssh/ssh_host_dsa_key -N '' -t dsa ; \
+    fi
+
+# configure sshd to allow login
+RUN sed -i.bk 's/PermitRootLogin.*$/PermitRootLogin yes/g' /etc/ssh/sshd_config ; \
+    echo 'PasswordAuthentication yes' >> /etc/ssh/sshd_config; \
+    echo 'RSAAuthentication yes' >> /etc/ssh/sshd_config
+
+
+# SSH login fix. Otherwise user is kicked off after login
+RUN sed 's@session\s*required\s*pam_loginuid.so@session optional pam_loginuid.so@g' -i /etc/pam.d/sshd || true
+
+COPY docker-entrypoint.sh /
+RUN chmod 700 /docker-entrypoint.sh
+
+EXPOSE 22
+
+ENTRYPOINT ["/docker-entrypoint.sh"]

centos-8/docker-entrypoint.sh

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+#!/bin/bash
+#
+# Inspired by https://github.com/kwart/dockerfiles/tree/master/alpine-ext
+
+set -e
+
+echo
+echo "Starting CentOS 8 with SSH server"
+echo "=============================================="
+echo
+echo "User 'root' config"
+echo "BROOKLYN_ROOT_PASSWORD           ${BROOKLYN_ROOT_PASSWORD:+*****}"
+echo "BROOKLYN_ROOT_AUTHORIZED_KEY     ${BROOKLYN_ROOT_AUTHORIZED_KEY:0:20}"
+
+if [ ! -f "/root/SSH_INITIALIZED_MARKER" ]; then
+    echo
+    echo "Configuring SSH" 
+
+    touch /root/SSH_INITIALIZED_MARKER
+
+    # set root password
+    if [ -n "$BROOKLYN_ROOT_PASSWORD" ]; then
+        echo
+        echo "Changing root's password" 
+        echo "root:$BROOKLYN_ROOT_PASSWORD" | chpasswd
+    elif [ -n "$BROOKLYN_ROOT_AUTHORIZED_KEY" ]; then
+        echo "Generating and changing root's password"
+        PWPASS=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 12 | head -n 1)
+        echo "root:$PWPASS" | chpasswd
+    else
+        echo "Not changing root password"
+    fi;
+
+    # set root's authorized_keys
+    if [ -n "$BROOKLYN_ROOT_AUTHORIZED_KEY" ]; then
+        echo
+        echo "Adding entry to /root/.ssh/authorized_keys"
+        mkdir -p /root/.ssh
+        chmod 700 /root/.ssh/
+        echo "$BROOKLYN_ROOT_AUTHORIZED_KEY" | tee /root/.ssh/authorized_keys
+        chmod 600 /root/.ssh/authorized_keys
+    else
+        echo "Not adding authorized ssh key"
+    fi
+
+else
+    echo
+    echo "Marked file /root/SSH_INITIALIZED_MARKER exists, so skipping initialisation"
+fi
+
+# Run sshd
+/usr/sbin/sshd -D

ubuntu-18.04/Dockerfile

@@ -1,5 +1,5 @@
 FROM ubuntu:18.04
-MAINTAINER Andrew Kennedy "grkvlt@apache.org"
+MAINTAINER Iuliana Cosmina "iuliana@cloudsoft.io"
 
 # CONTAINER_SERVICE_VERSION_BELOW
 LABEL version="2.0.0-SNAPSHOT"
@@ -12,6 +12,7 @@ RUN echo 'root:p4ssw0rd' | chpasswd
 
 # install sshd
 RUN apt-get update ; \
+    apt-get install -y --no-install-recommends apt-utils ;\
     apt-get install -y openssh-server sudo; \
     mkdir /var/run/sshd ; \
     chmod 600 /var/run/sshd
@@ -34,6 +35,16 @@ RUN sed 's@session\s*required\s*pam_loginuid.so@session optional pam_loginuid.so
 COPY docker-entrypoint.sh /
 RUN chmod 700 /docker-entrypoint.sh
 
+# Needed to support install of PostgreSQL 12 and MySQL 5.7
+RUN which curl || apt -y install curl
+RUN export DEBIAN_FRONTEND=noninteractive
+RUN echo exit 0 > /usr/sbin/policy-rc.d
+RUN apt-get install -y openssh-server netbase perl libnuma1 psmisc  locales locales-all libxslt1.1
+RUN ln -fs /usr/share/zoneinfo/Europe/Dublin /etc/localtime
+RUN apt-get install -y tzdata
+RUN dpkg-reconfigure --frontend noninteractive tzdata
+RUN echo "$(date)" >> /tmp/image.info
+
 EXPOSE 22
 
 ENTRYPOINT ["/docker-entrypoint.sh"]