anchor.diff:  ARG INSTALL_GETTEXT=false
   
   RUN if [ ${INSTALL_GETTEXT} = true ]; then \
  -    apt-get install -y zlib1g-dev libicu-dev g++ libpq-dev libssl-dev gettext && \
  +    apt-get install -yqq zlib1g-dev libicu-dev g++ libpq-dev libssl-dev gettext && \
       docker-php-ext-install gettext \
   ;fi
   
  
positive.code: ARG INSTALL_SMB=false
  
  RUN if [ ${INSTALL_SMB} = true ]; then \
      apt-get install -y smbclient php-smbclient coreutils \
  ;fi
  
  ###########################################################################
  
negative.code:       # Ref from https://github.com/Microsoft/msphpsql/wiki/Dockerfile-for-adding-pdo_sqlsrv-and-sqlsrv-to-official-php-image
        ###########################################################################
        # Add Microsoft repo for Microsoft ODBC Driver 13 for Linux
        apt-get install -yqq apt-transport-https gnupg \
        && curl https://packages.microsoft.com/keys/microsoft.asc | apt-key add - \
        && curl https://packages.microsoft.com/config/debian/9/prod.list > /etc/apt/sources.list.d/mssql-release.list \
        && apt-get update -yqq \
        # Install Dependencies
        && ACCEPT_EULA=Y apt-get install -yqq unixodbc unixodbc-dev libgss3 odbcinst msodbcsql17 locales \
        && echo "en_US.UTF-8 UTF-8" > /etc/locale.gen \
        # link local aliases
        && ln -sfn /etc/locale.alias /usr/share/locale/locale.alias \
  