Use Build Kit docker feature to shrink the Docker image size

docker/compile/Dockerfile.centos7

@@ -51,7 +51,8 @@ ENV bazelVersion 3.7.2
 
 RUN wget -O /tmp/bazel.sh https://github.com/bazelbuild/bazel/releases/download/$bazelVersion/bazel-$bazelVersion-installer-linux-x86_64.sh \
       && chmod +x /tmp/bazel.sh \
-      && /tmp/bazel.sh
+      && /tmp/bazel.sh \
+      && rm -rf /tmp/bazel.sh
 
 ADD bazelrc /root/.bazelrc
 ADD scripts/compile-platform.sh /compile-platform.sh

docker/compile/Dockerfile.debian10

@@ -47,7 +47,8 @@ ENV bazelVersion 3.7.2
 
 RUN wget -O /tmp/bazel.sh https://github.com/bazelbuild/bazel/releases/download/$bazelVersion/bazel-$bazelVersion-installer-linux-x86_64.sh \
       && chmod +x /tmp/bazel.sh \
-      && /tmp/bazel.sh
+      && /tmp/bazel.sh \
+      && rm -rf /tmp/bazel.sh
 
 ADD bazelrc /root/.bazelrc
 ADD scripts/compile-platform.sh /compile-platform.sh

docker/compile/Dockerfile.ubuntu18.04

@@ -48,7 +48,8 @@ ENV bazelVersion 3.7.2
 
 RUN wget -O /tmp/bazel.sh https://github.com/bazelbuild/bazel/releases/download/$bazelVersion/bazel-$bazelVersion-installer-linux-x86_64.sh \
       && chmod +x /tmp/bazel.sh \
-      && /tmp/bazel.sh
+      && /tmp/bazel.sh \
+      && rm -rf /tmp/bazel.sh
 
 ADD bazelrc /root/.bazelrc
 ADD scripts/compile-platform.sh /compile-platform.sh

docker/compile/Dockerfile.ubuntu20.04

@@ -49,7 +49,8 @@ ENV bazelVersion 3.7.2
 
 RUN wget -O /tmp/bazel.sh https://github.com/bazelbuild/bazel/releases/download/$bazelVersion/bazel-$bazelVersion-installer-linux-x86_64.sh \
       && chmod +x /tmp/bazel.sh \
-      && /tmp/bazel.sh
+      && /tmp/bazel.sh \
+      && rm -rf /tmp/bazel.sh
 
 ADD bazelrc /root/.bazelrc
 ADD scripts/compile-platform.sh /compile-platform.sh

docker/dist/Dockerfile.dist.centos7

@@ -15,12 +15,12 @@
 #  specific language governing permissions and limitations
 #  under the License.
 
+#syntax=docker/dockerfile:1.2
 FROM centos:centos7
 
 ENV LC_ALL en_US.utf8
 
 RUN yum -y install epel-release \
-    && yum -y update \
     && yum -y install \
     curl \
     java-11-openjdk-headless \
@@ -34,14 +34,12 @@ RUN yum -y install epel-release \
 
 ENV JAVA_HOME /usr/
 
-ADD artifacts /heron
+# run Heron installer
+RUN --mount=type=bind,source=artifacts,target=/tmp/heron /tmp/heron/heron-install.sh \
+    && rm -f /usr/local/heron/dist/heron-core.tar.gz
 
 WORKDIR /heron
 
-# run heron installer
-RUN /heron/heron-install.sh \
-    && rm -f /heron/heron-install.sh
-
 RUN ln -s /usr/local/heron/dist/heron-core /heron \
     && mkdir -p /heron/heron-tools \
     && ln -s /usr/local/heron/bin /heron/heron-tools \
@@ -55,11 +53,10 @@ RUN ln -s /usr/local/heron/dist/heron-core /heron \
 ENV HERON_HOME /heron/heron-core/
 RUN export HERON_HOME
 
-# install zookeeper
+# install Zookeeper
 ARG ZK_DIST=zookeeper-3.5.8
-ADD dist/scripts /opt/heron-docker/scripts
 
-RUN sh /opt/heron-docker/scripts/install-zookeeper.sh $ZK_DIST
+RUN --mount=type=bind,source=dist,target=/opt/heron-docker/ sh /opt/heron-docker/scripts/install-zookeeper.sh $ZK_DIST
 
 ADD dist/conf/zookeeper.conf /opt/zookeeper/conf/zookeeper.conf
 ADD dist/conf/sandbox.conf /etc/supervisor/conf.d/

docker/dist/Dockerfile.dist.debian10

@@ -15,8 +15,12 @@
 #  specific language governing permissions and limitations
 #  under the License.
 
+#syntax=docker/dockerfile:1.2
 FROM openjdk:11-jdk-slim-buster
 
+ENV LC_ALL C.UTF-8
+ENV LANG C.UTF-8
+
 RUN apt-get update \
     && apt-get -y install \
     curl \
@@ -27,17 +31,12 @@ RUN apt-get update \
     unzip \
     && apt-get clean
 
-ADD artifacts /heron
+# run Heron installer
+RUN --mount=type=bind,source=artifacts,target=/tmp/heron /tmp/heron/heron-install.sh \
+    && rm -f /usr/local/heron/dist/heron-core.tar.gz
 
 WORKDIR /heron
 
-# run heron installer
-RUN /heron/heron-install.sh && \
-    rm -rf /heron/heron-install.sh && \
-    rm -rf /opt/heron/heron-core/lib/scheduler/heron-local-scheduler.jar && \
-    rm -rf /opt/heron/heron-core/lib/scheduler/heron-mesos-scheduler.jar && \
-    rm -rf /opt/heron/heron-core/lib/scheduler/heron-slurm-scheduler.jar
-
 RUN ln -s /usr/local/heron/dist/heron-core /heron \
     && mkdir -p /heron/heron-tools \
     && ln -s /usr/local/heron/bin /heron/heron-tools \
@@ -51,14 +50,11 @@ RUN ln -s /usr/local/heron/dist/heron-core /heron \
 ENV HERON_HOME /heron/heron-core/
 RUN export HERON_HOME
 
-# install zookeeper
+# install Zookeeper
 ARG ZK_DIST=zookeeper-3.5.8
-ADD dist/scripts /opt/heron-docker/scripts
 
-RUN sh /opt/heron-docker/scripts/install-zookeeper.sh $ZK_DIST
+RUN --mount=type=bind,source=dist,target=/opt/heron-docker/ sh /opt/heron-docker/scripts/install-zookeeper.sh $ZK_DIST
 
 ADD dist/conf/zookeeper.conf /opt/zookeeper/conf/zookeeper.conf
 ADD dist/conf/sandbox.conf /etc/supervisor/conf.d/
 
-ENV LC_ALL C.UTF-8
-ENV LANG C.UTF-8