It is not give me perfect output as per the aspect.

[krupesh1958]

It is much better to others but still it need to more improve.

Original Docker Image

FROM openjdk:8-jdk

ENV HADOOP_VERSION=3.3.1
ENV HADOOP_HOME=/opt/hadoop

ENV PATH=$PATH:$HADOOP_HOME/bin:$HADOOP_HOME/sbin

EXPOSE 50010 50020 50070 50075 50090 8020 9000 9870 9864 19888 10020 19890 8030 8031 8032 8033 8040 8042 8088

CMD ["hadoop", "namenode", "-format"]

Actual Output
Dockerfile:

CMD ["bash"]
RUN set -eux; apt-get update; apt-get install -y --no-install-recommends ca-certificates curl netbase wget ; rm -rf /var/lib/apt/lists/*
RUN set -ex; if ! command -v gpg > /dev/null; then apt-get update; apt-get install -y --no-install-recommends gnupg dirmngr ; rm -rf /var/lib/apt/lists/*; fi
RUN apt-get update  \
        && apt-get install -y --no-install-recommends git mercurial openssh-client subversion procps  \
        && rm -rf /var/lib/apt/lists/*
RUN set -eux; apt-get update; apt-get install -y --no-install-recommends bzip2 unzip xz-utils fontconfig libfreetype6 ca-certificates p11-kit ; rm -rf /var/lib/apt/lists/*
ENV JAVA_HOME=/usr/local/openjdk-8
RUN { echo '#/bin/sh'; echo 'echo "$JAVA_HOME"'; } > /usr/local/bin/docker-java-home  \
        && chmod +x /usr/local/bin/docker-java-home  \
        && [ "$JAVA_HOME" = "$(docker-java-home)" ] # backwards compatibility
ENV PATH=/usr/local/openjdk-8/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
ENV LANG=C.UTF-8
ENV JAVA_VERSION=8u342
RUN set -eux; arch="$(dpkg --print-architecture)"; case "$arch" in 'amd64') downloadUrl='https://github.com/AdoptOpenJDK/openjdk8-upstream-binaries/releases/download/jdk8u342-b07/OpenJDK8U-jdk_x64_linux_8u342b07.tar.gz'; ;; 'arm64') downloadUrl='https://github.com/AdoptOpenJDK/openjdk8-upstream-binaries/releases/download/jdk8u342-b07/OpenJDK8U-jdk_aarch64_linux_8u342b07.tar.gz'; ;; *) echo >&2 "error: unsupported architecture: '$arch'"; exit 1 ;; esac; wget --progress=dot:giga -O openjdk.tgz "$downloadUrl"; wget --progress=dot:giga -O openjdk.tgz.asc "$downloadUrl.sign"; export GNUPGHOME="$(mktemp -d)"; gpg --batch --keyserver keyserver.ubuntu.com --recv-keys EAC843EBD3EFDB98CC772FADA5CD6035332FA671; gpg --batch --keyserver keyserver.ubuntu.com --keyserver-options no-self-sigs-only --recv-keys CA5F11C6CE22644D42C6AC4492EF8D39DC13168F; gpg --batch --list-sigs --keyid-format 0xLONG CA5F11C6CE22644D42C6AC4492EF8D39DC13168F | tee /dev/stderr | grep '0xA5CD6035332FA671' | grep 'Andrew Haley'; gpg --batch --verify openjdk.tgz.asc openjdk.tgz; gpgconf --kill all; rm -rf "$GNUPGHOME"; mkdir -p "$JAVA_HOME"; tar --extract --file openjdk.tgz --directory "$JAVA_HOME" --strip-components 1 --no-same-owner ; rm openjdk.tgz*; { echo '#!/usr/bin/env bash'; echo 'set -Eeuo pipefail'; echo 'trust extract --overwrite --format=java-cacerts --filter=ca-anchors --purpose=server-auth "$JAVA_HOME/jre/lib/security/cacerts"'; } > /etc/ca-certificates/update.d/docker-openjdk; chmod +x /etc/ca-certificates/update.d/docker-openjdk; /etc/ca-certificates/update.d/docker-openjdk; find "$JAVA_HOME/lib" -name '*.so' -exec dirname '{}' ';' | sort -u > /etc/ld.so.conf.d/docker-openjdk.conf; ldconfig; javac -version; java -version
ENV HADOOP_VERSION=3.3.1
ENV HADOOP_HOME=/opt/hadoop
ENV PATH=/usr/local/openjdk-8/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/opt/hadoop/bin:/opt/hadoop/sbin
EXPOSE map[10020/tcp:{} 19888/tcp:{} 19890/tcp:{} 50010/tcp:{} 50020/tcp:{} 50070/tcp:{} 50075/tcp:{} 50090/tcp:{} 8020/tcp:{} 8030/tcp:{} 8031/tcp:{} 8032/tcp:{} 8033/tcp:{} 8040/tcp:{} 8042/tcp:{} 8088/tcp:{} 9000/tcp:{} 9864/tcp:{} 9870/tcp:{}]
CMD ["hadoop" "namenode" "-format"]

I want original dockerfile to reduce size of the dockerimage.