che #13454 Adding Che 7 java 11 community images with support of arbitrary user to make them OpenShift compatible

arbitrary-users-patch/Dockerfile

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+ARG FROM_IMAGE
+FROM ${FROM_IMAGE}
+USER 0
+RUN chmod g=u /etc/passwd
+COPY [--chown=0:0] entrypoint.sh /
+RUN chmod +x entrypoint.sh
+
+USER 10001
+ENV HOME /home/user
+WORKDIR /projects
+ENTRYPOINT [ "/entrypoint.sh" ]
+CMD ["sleep", "infinity"]

arbitrary-users-patch/base_images

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+java11-maven maven:3.6.0-jdk-11

arbitrary-users-patch/build_images.sh

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+#!/bin/bash
+set -e
+
+DEFAULT_REGISTRY="quay.io"
+REGISTRY=${REGISTRY:-${DEFAULT_REGISTRY}}
+
+while read -r line; do
+  base_image_name=$(echo $line | cut -f 1 -d ' ')
+  base_image=$(echo $line | cut -f 2 -d ' ')
+  echo "Building ${REGISTRY}/eclipse-che/che7-${base_image_name} based on $base_image ..."
+  docker build -t "${REGISTRY}/eclipse-che/che7-${base_image_name}" --build-arg FROM_IMAGE=$base_image .
+done < base_images

arbitrary-users-patch/entrypoint.sh

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+#!/bin/sh
+if ! whoami &> /dev/null; then
+  if [ -w /etc/passwd ]; then
+    echo "${USER_NAME:-user}:x:$(id -u):0:${USER_NAME:-user} user:${HOME}:/bin/bash" >> /etc/passwd
+  fi
+fi
+exec "$@"