anchor.diff:  ENV GUACD_LOG_LEVEL=info
   
   ARG RUNTIME_DEPENDENCIES="            \
  -        cairo                         \
  -        dejavu-sans-mono-fonts        \
  -        freerdp                       \
  -        freerdp-plugins               \
           ghostscript                   \
  -        libjpeg-turbo                 \
  -        libssh2                       \
  -        liberation-mono-fonts         \
  -        libtelnet                     \
  -        libvorbis                     \
  -        libvncserver                  \
  -        libwebp                       \
  -        pango                         \
  -        pulseaudio-libs               \
  -        terminus-fonts                \
  -        uuid"
  +        libcairo2                     \
  +        fonts-liberation              \
  +        fonts-dejavu                  \
  +        libfreerdp-cache1.1           \
  +        libfreerdp-client1.1          \
  +        libfreerdp-codec1.1           \
  +        libfreerdp-common1.1.0        \
  +        libfreerdp-core1.1            \
  +        libfreerdp-crypto1.1          \
  +        libfreerdp-gdi1.1             \
  +        libfreerdp-locale1.1          \
  +        libfreerdp-plugins-standard   \
  +        libfreerdp-primitives1.1      \
  +        libfreerdp-rail1.1            \
  +        libfreerdp-utils1.1           \
  +        libjpeg-turbo8                \
  +        libossp-uuid16                \
  +        libpango1.0                   \
  +        libpulse0                     \
  +        libssh2-1                     \
  +        libssl1.0.0                   \
  +        libtelnet2                    \
  +        libvncclient1                 \
  +        libwebp5                      \
  +        libwinpr-asn1-0.1             \
  +        libwinpr-bcrypt0.1            \
  +        libwinpr-credentials0.1       \
  +        libwinpr-credui0.1            \
  +        libwinpr-crt0.1               \
  +        libwinpr-crypto0.1            \
  +        libwinpr-dsparse0.1           \
  +        libwinpr-environment0.1       \
  +        libwinpr-error0.1             \
  +        libwinpr-file0.1              \
  +        libwinpr-handle0.1            \
  +        libwinpr-heap0.1              \
  +        libwinpr-input0.1             \
  +        libwinpr-interlocked0.1       \
  +        libwinpr-io0.1                \
  +        libwinpr-library0.1           \
  +        libwinpr-path0.1              \
  +        libwinpr-pipe0.1              \
  +        libwinpr-pool0.1              \
  +        libwinpr-registry0.1          \
  +        libwinpr-rpc0.1               \
  +        libwinpr-sspi0.1              \
  +        libwinpr-sspicli0.1           \
  +        libwinpr-synch0.1             \
  +        libwinpr-sysinfo0.1           \
  +        libwinpr-thread0.1            \
  +        libwinpr-timezone0.1          \
  +        libwinpr-utils0.1             \
  +        libwinpr-winhttp0.1           \
  +        libwinpr-winsock0.1           \
  +        xfonts-terminus"
   
   # Bring runtime environment up to date and install runtime dependencies
  -RUN yum -y update                          && \
  -    yum -y install epel-release            && \
  -    yum -y install $RUNTIME_DEPENDENCIES   && \
  -    yum clean all                          && \
  -    rm -rf /var/cache/yum
  +RUN apt-get update                           && \
  +    apt-get install -y $RUNTIME_DEPENDENCIES && \
  +    rm -rf /var/lib/apt/lists/*
   
   # Copy build artifacts into this stage
   COPY --from=builder ${PREFIX_DIR} ${PREFIX_DIR}
   
   # Link FreeRDP plugins into proper path
   RUN FREERDP_DIR=$(dirname \
  -        $(rpm -ql freerdp-libs | grep 'libfreerdp.*\.so' | head -n1)) && \
  +        $(dpkg-query -L libfreerdp | grep 'libfreerdp.*\.so' | head -n1)) && \
       FREERDP_PLUGIN_DIR="${FREERDP_DIR}/freerdp" && \
       mkdir -p "$FREERDP_PLUGIN_DIR" && \
       ln -s "$PREFIX_DIR"/lib/freerdp/*.so "$FREERDP_PLUGIN_DIR"
  
positive.code: #
  
  
  # Use CentOS as base for the build
  ARG CENTOS_VERSION=centos7
  FROM centos:${CENTOS_VERSION} AS builder
  
  # Base directory for installed build artifacts.
  # Due to limitations of the Docker image build process, this value is
  
negative.code: ARG BUILD_DEPENDENCIES="              \
          autoconf                      \
          automake                      \
          gcc                           \
          libcairo2-dev                 \
          libfreerdp-dev                \
          libjpeg-turbo8-dev            \
          libossp-uuid-dev              \
          libpango1.0-dev               \
          libpulse-dev                  \
          libssh2-1-dev                 \
          libssl-dev                    \
          libtelnet-dev                 \
          libtool                       \
          libvncserver-dev              \
          libwebp-dev                   \
          make"
  
  # Build time environment
  ENV LC_ALL=en_US.UTF-8
  
  # Bring build environment up to date and install build dependencies
  RUN apt-get update                         && \
      apt-get install -y $BUILD_DEPENDENCIES && \
      rm -rf /var/lib/apt/lists/*
  
  # Add configuration scripts
  COPY src/guacd-docker/bin /opt/guacd/bin/
  