Revert "[Docker] Attempt to use updated docker build for Rocky."

This reverts commit e2128c7.

cppbuild/rocky-docker-build

@@ -14,7 +14,6 @@ docker build --tag rocky8-aeron \
   --build-arg USER_ID="$(id -u)" \
   --build-arg GROUP_ID="$(id -g)" \
   --build-arg GCC_VERSION="${GCC_VERSION}" \
-  --target essentials-test \
   "${SOURCE_DIR}/cppbuild/rocky"
 
 docker run --rm --shm-size=1G --network host \

cppbuild/rocky/Dockerfile

@@ -1,47 +1,34 @@
-ARG VERSION="8.9"
-FROM rockylinux:${VERSION} as builder
-
-ARG GCC_VERSION="10"
-
-RUN yum update -y && yum install -y https://cdn.azul.com/zulu/bin/zulu-repo-1.0.0-1.noarch.rpm && \
-    yum update -y && yum install -y \
-    scl-utils \
-    gcc-toolset-${GCC_VERSION}-gcc \
-    gcc-toolset-${GCC_VERSION}-gcc-c++ \
-    make \
-    tar \
-    zlib-devel \
-    libuuid-devel \
-    git \
-    findutils \
-    openssl-devel \
-    zulu8-jdk
-
-ENV JAVA_HOME=/usr/lib/jvm/java-8-zulu-openjdk \
-    BUILD_JAVA_HOME=/usr/lib/jvm/java-8-zulu-openjdk \
-    BUILD_JAVA_VERSION=8 \
-    GRADLE_OPTS="-Dorg.gradle.daemon=false -Dorg.gradle.java.installations.auto-detect=false -Dorg.gradle.warning.mode=fail" \
-    GCC_VERSION=${GCC_VERSION}
+FROM rockylinux:8
+
+ARG USER_ID
+ARG GROUP_ID
+ARG CMAKE_VERSION=3.14.7
+ARG GCC_VERSION
 
-ARG USER_ID="1000"
-ARG GROUP_ID="1000"
 RUN groupadd --gid $GROUP_ID --non-unique --system athena
-RUN adduser --uid $USER_ID --system --create-home --gid $GROUP_ID athena
+RUN adduser --uid $USER_ID --system --gid $GROUP_ID athena
 
-USER athena
-WORKDIR /opt/aeron
+# Install dev tools
+RUN yum install -y scl-utils && \
+    yum install -y "gcc-toolset-${GCC_VERSION}-gcc" "gcc-toolset-${GCC_VERSION}-gcc-c++" make findutils git
 
-FROM builder as essentials-test
-ENTRYPOINT scl enable "gcc-toolset-${GCC_VERSION}" -- cppbuild/cppbuild --c-warnings-as-errors --cxx-warnings-as-errors --package
+# Install Java
+RUN yum install -y https://cdn.azul.com/zulu/bin/zulu-repo-1.0.0-1.noarch.rpm && \
+    yum install --disableplugin=subscription-manager -y zulu-8
 
-FROM builder as essentials-build
+# Install CMake
+WORKDIR /opt/tools
+RUN curl -o cmake.tar.gz -L https://github.com/Kitware/CMake/releases/download/v${CMAKE_VERSION}/cmake-${CMAKE_VERSION}-Linux-x86_64.tar.gz && \
+    tar xf cmake.tar.gz
 
-ADD --chown=athena:athena . /opt/aeron
-RUN git config --global user.email "[email protected]"
-RUN git config --global user.name "Athena (Build Master)"
-RUN git config --global core.autocrlf false
-RUN git update-index -q --refresh
-RUN scl enable "gcc-toolset-${GCC_VERSION}" -- cppbuild/cppbuild --c-warnings-as-errors --cxx-warnings-as-errors --package
+ENV PATH="$PATH:/opt/tools/cmake-${CMAKE_VERSION}-Linux-x86_64/bin" \
+    JAVA_HOME=/usr/lib/jvm/zulu-8 \
+    BUILD_JAVA_HOME=/usr/lib/jvm/zulu-8 \
+    BUILD_JAVA_VERSION=8 \
+    GRADLE_OPTS="-Dorg.gradle.daemon=false -Dorg.gradle.java.installations.auto-detect=false -Dorg.gradle.warning.mode=fail" \
+    GCC_VERSION=${GCC_VERSION}
 
-FROM scratch AS essentials-artifacts
-COPY --from=essentials-build /opt/aeron/cppbuild/Release/*.tar.gz /
+USER athena
+
+WORKDIR /opt/aeron
+ENTRYPOINT scl enable "gcc-toolset-${GCC_VERSION}" -- cppbuild/cppbuild --c-warnings-as-errors --cxx-warnings-as-errors --package