Update Rocky Linux 8 build environment for RocksJava

Author: adamretter

README.md

@@ -59,6 +59,19 @@ $ cd centos7_s390x
 $ docker build --rm --force-rm --squash -t evolvedbinary/rocksjava:centos7_s390x-be .
 ```
 
+# Rocky Linux 8 Docker Images
+To build the Rocky Linux 8 Docker images locally:
+```bash
+$ git clone https://github.com/evolvedbinary/docker-rocksjava
+$ cd docker-rocksjava
+```
+
+## Requires x86_64 arch CPU
+```
+$ cd rockylinux8_x64
+$ docker build --rm --force-rm --squash -t evolvedbinary/rocksjava:rockylinux8_x64-be .
+```
+
 # Ubuntu 18.04 Docker Images
 To build the Ubuntu 18.04 Docker images locally:
 ```bash

rockylinux8_x64/Dockerfile

@@ -7,18 +7,14 @@ LABEL name="Rocky Linux 8 (x64) RocksJava Build Environment" \
 
 RUN yum --setopt=tsflags=nodocs -y update \
   && yum --setopt=tsflags=nodocs -y install epel-release \
+  && crb enable \
   && yum --setopt=tsflags=nodocs -y upgrade \
   && yum --setopt=tsflags=nodocs -y install cmake3 \
-  && yum --setopt=tsflags=nodocs -y install gcc-c++ make perl which openssl wget \
-  && yum --setopt=tsflags=nodocs -y install jemalloc-devel zlib-devel bzip2-devel lz4-devel snappy libzstd-devel \
-  && yum --setopt=tsflags=nodocs -y install https://cdn.azul.com/zulu/bin/zulu-repo-1.0.0-1.noarch.rpm \
-  && yum --setopt=tsflags=nodocs -y install zulu7-jdk \
-  && yum -y clean all \
-  && alternatives --install /usr/local/bin/cmake cmake /usr/bin/cmake 10 --slave /usr/local/bin/ctest ctest /usr/bin/ctest --slave /usr/local/bin/cpack cpack /usr/bin/cpack --slave /usr/local/bin/ccmake ccmake /usr/bin/ccmake \
-  && alternatives --install /usr/local/bin/cmake cmake /usr/bin/cmake3 20 --slave /usr/local/bin/ctest ctest /usr/bin/ctest3 --slave /usr/local/bin/cpack cpack /usr/bin/cpack3 --slave /usr/local/bin/ccmake ccmake /usr/bin/ccmake3 \
-  && wget -O gflags-2.0.tar.gz https://github.com/gflags/gflags/archive/refs/tags/v2.0.tar.gz \
-  && tar zxvf gflags-2.0.tar.gz; cd gflags-2.0; linux32 ./configure ; linux32 make; linux32 make install; cd ..; rm -rf gflags-2.0*
+  && yum --setopt=tsflags=nodocs -y install gcc-c++ make perl which openssl curl wget git \
+  && yum --setopt=tsflags=nodocs -y install gflags-devel jemalloc-devel zlib-devel bzip2-devel lz4-devel snappy-devel libzstd-devel \
+  && yum --setopt=tsflags=nodocs -y install java-1.8.0-openjdk-headless java-1.8.0-openjdk-devel \
+  && yum -y clean all
 
-ENV JAVA_HOME=/usr/lib/jvm/java-1.7.0
+ENV JAVA_HOME=/usr/lib/jvm/java-1.8.0
 ENV PATH=$JAVA_HOME:$PATH
 ENV LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib