anchor.diff:  
   # download and install Kotlin compiler
   # https://github.com/JetBrains/kotlin/releases/latest
  -ARG KOTLIN_VERSION=1.6.10
  +ARG KOTLIN_VERSION=1.6.21
   RUN cd /opt && \
       wget -q https://github.com/JetBrains/kotlin/releases/download/v${KOTLIN_VERSION}/kotlin-compiler-${KOTLIN_VERSION}.zip && \
       unzip *kotlin*.zip && \
  
positive.code:     apt-get dist-upgrade -y && \
      apt-get install -y --no-install-recommends libncurses5:i386 libc6:i386 libstdc++6:i386 lib32gcc-s1 lib32ncurses6 lib32z1 zlib1g:i386 && \
      apt-get install -y --no-install-recommends openjdk-${JDK_VERSION}-jdk && \
      apt-get install -y --no-install-recommends git wget unzip && \
      DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends qt5-default
  
  # download and install Gradle
  # https://services.gradle.org/distributions/
  ARG GRADLE_VERSION=7.3.3
  ARG GRADLE_DIST=bin
  RUN cd /opt && \
      wget -q https://services.gradle.org/distributions/gradle-${GRADLE_VERSION}-${GRADLE_DIST}.zip && \
  
negative.code:     apt-get install -y --no-install-recommends openssh-server supervisor locales && \
      mkdir -p /var/run/sshd /var/log/supervisord && \
      locale-gen en en_US en_US.UTF-8 && \
      apt-get remove -y locales && apt-get autoremove -y  && \
      apt-get clean && rm -rf /var/lib/apt/list/* && \
      FILE_SSHD_CONFIG="/etc/ssh/sshd_config" && \
      echo "\nBanner /etc/ssh/sshd-banner" >> $FILE_SSHD_CONFIG && \
      echo "\nPermitUserEnvironment=yes" >> $FILE_SSHD_CONFIG && \
  