xfce-selkies-glx-desktop/Dockerfile

# syntax=docker/dockerfile:1.7

# Final target:
#   Ubuntu 24.04 + NVIDIA GLX + XFCE + PipeWire + Firefox + Selkies
#
# The build uses intermediate stages, but produces a single final image.

ARG DISTRIB_RELEASE=24.04
ARG SELKIES_IMAGE=ghcr.io/selkies-project/selkies/py-build:main

ARG SELKIES_GIT_REF=main
ARG NVIDIA_VAAPI_DRIVER_VERSION=latest


# -----------------------------------------------------------------------------
# Current Selkies wheel
# -----------------------------------------------------------------------------

FROM ${SELKIES_IMAGE} AS selkies-build

# -----------------------------------------------------------------------------
# Selkies joystick interposer
# -----------------------------------------------------------------------------

# Build the Selkies joystick interposer directly from its official source.
FROM docker.io/library/ubuntu:${DISTRIB_RELEASE} AS selkies-js-interposer-builder

ARG DEBIAN_FRONTEND=noninteractive
ARG SELKIES_GIT_REF

SHELL ["/bin/bash", "-o", "pipefail", "-c"]

RUN apt-get update \
    && apt-get install --no-install-recommends -y \
        build-essential \
        ca-certificates \
        curl \
    && rm -rf /var/lib/apt/lists/*

RUN set -eux; \
    curl -fsSL \
        "https://raw.githubusercontent.com/selkies-project/selkies/${SELKIES_GIT_REF}/addons/js-interposer/joystick_interposer.c" \
        -o /tmp/joystick_interposer.c; \
    install -d -m 0755 /out; \
    gcc -shared -fPIC -O2 \
        -Wl,-z,relro,-z,now \
        -o /out/selkies_joystick_interposer.so \
        /tmp/joystick_interposer.c \
        -ldl; \
    test -s /out/selkies_joystick_interposer.so

# -----------------------------------------------------------------------------
# Build the Selkies Python environment
# -----------------------------------------------------------------------------

FROM docker.io/library/ubuntu:${DISTRIB_RELEASE} AS selkies-runtime-builder

ARG DEBIAN_FRONTEND=noninteractive

SHELL ["/bin/bash", "-o", "pipefail", "-c"]

COPY --from=selkies-build /opt/pypi/dist/selkies-*.whl /tmp/

RUN apt-get update \
    && apt-get install --no-install-recommends -y \
        build-essential \
        libsm6 \
        libopus0 \
        libpulse0 \
        libxkbcommon-dev \
        pkg-config \
        python3 \
        python3-dev \
        python3-pip \
        python3-venv \
    && python3 -m venv /opt/selkies \
    && /opt/selkies/bin/python -m pip install \
        --no-cache-dir \
        --upgrade \
        pip \
        setuptools \
        wheel \
    && printf '%s\n' \
        'pixelflux==1.6.4' \
        'pcmflux==1.0.8' \
        > /tmp/selkies-constraints.txt \
    && /opt/selkies/bin/python -m pip install \
        --no-cache-dir \
        --force-reinstall \
        --constraint /tmp/selkies-constraints.txt \
        /tmp/selkies-*.whl

# -----------------------------------------------------------------------------
# Build the current nvidia-vaapi-driver without retaining build dependencies
# -----------------------------------------------------------------------------

FROM docker.io/library/ubuntu:${DISTRIB_RELEASE} AS nvidia-vaapi-builder

ARG DEBIAN_FRONTEND=noninteractive
ARG NVIDIA_VAAPI_DRIVER_VERSION

SHELL ["/bin/bash", "-o", "pipefail", "-c"]

RUN apt-get update \
    && apt-get install --no-install-recommends -y \
        ca-certificates \
        curl \
        gcc \
        jq \
        meson \
        ninja-build \
        pkg-config \
        libdrm-dev \
        libegl-dev \
        libffmpeg-nvenc-dev \
        libgstreamer-plugins-bad1.0-dev \
        libva-dev \
    && rm -rf /var/lib/apt/lists/*

RUN set -eux; \
    version="${NVIDIA_VAAPI_DRIVER_VERSION}"; \
    if [[ "${version}" == "latest" ]]; then \
        version="$(curl -fsSL https://api.github.com/repos/elFarto/nvidia-vaapi-driver/releases/latest \
            | jq -r '.tag_name' \
            | sed 's/^v//')"; \
    fi; \
    curl -fsSL \
        "https://github.com/elFarto/nvidia-vaapi-driver/archive/refs/tags/v${version}.tar.gz" \
        -o /tmp/nvidia-vaapi-driver.tar.gz; \
    mkdir -p /tmp/nvidia-vaapi-driver; \
    tar -xzf /tmp/nvidia-vaapi-driver.tar.gz \
        --strip-components=1 \
        -C /tmp/nvidia-vaapi-driver; \
    cd /tmp/nvidia-vaapi-driver; \
    meson setup build \
        --prefix=/usr \
        --buildtype=release; \
    meson compile -C build; \
    DESTDIR=/out meson install -C build

# -----------------------------------------------------------------------------
# Build the Selkies web frontend from the official source repository
# -----------------------------------------------------------------------------

FROM docker.io/library/node:22-bookworm-slim AS selkies-web-builder

ARG DEBIAN_FRONTEND=noninteractive
ARG SELKIES_GIT_REF=main
ARG SELKIES_MODE=websockets
ARG SELKIES_UPLOAD_DIR=/home/ubuntu/Desktop

SHELL ["/bin/bash", "-o", "pipefail", "-c"]

RUN apt-get update \
    && apt-get install --no-install-recommends -y \
        ca-certificates \
        cmake \
        curl \
        git \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /tmp/selkies

RUN curl -fsSL \
        "https://github.com/selkies-project/selkies/archive/${SELKIES_GIT_REF}.tar.gz" \
        -o /tmp/selkies.tar.gz \
    && tar -xzf /tmp/selkies.tar.gz \
        --strip-components=1 \
        -C /tmp/selkies \
    && rm -f /tmp/selkies.tar.gz

RUN set -eux; \
    cd /tmp/selkies/addons/selkies-web-core; \
    npm install; \
    npm run build; \
    \
    cd /tmp/selkies/addons/selkies-dashboard; \
    cp ../selkies-web-core/dist/selkies-core.js src/; \
    npm install; \
    SELKIES_INJECT=1 \
    SELKIES_MODE="${SELKIES_MODE}" \
    SELKIES_UPLOAD_DIR="${SELKIES_UPLOAD_DIR}" \
        npm run build; \
    \
    mkdir -p dist/src; \
    cp ../selkies-web-core/dist/selkies-core.js dist/src/; \
    cp ../universal-touch-gamepad/universalTouchGamepad.js dist/src/; \
    cp -r ../selkies-web-core/dist/jsdb dist/; \
    \
    mkdir -p /out; \
    cp -a dist/. /out/; \
    test -f /out/index.html


FROM docker.io/library/ubuntu:${DISTRIB_RELEASE} AS pixelflux-legacy-builder

ARG DEBIAN_FRONTEND=noninteractive
ARG PIXELFLUX_VERSION=1.6.4

SHELL ["/bin/bash", "-o", "pipefail", "-c"]

RUN apt-get update \
    && apt-get install --no-install-recommends -y \
        ca-certificates \
        curl \
        g++ \
        pkg-config \
        libavcodec-dev \
        libavutil-dev \
        libdrm-dev \
        libjpeg-dev \
        libva-dev \
        libx11-dev \
        libx264-dev \
        libxext-dev \
        libxfixes-dev \
        libyuv-dev \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /tmp/pixelflux

RUN curl -fsSL \
        "https://codeload.github.com/linuxserver/pixelflux/tar.gz/refs/tags/${PIXELFLUX_VERSION}" \
        -o /tmp/pixelflux.tar.gz \
    && tar -xzf /tmp/pixelflux.tar.gz \
        --strip-components=1 \
        -C /tmp/pixelflux \
    && mkdir -p /out \
    && test -f /usr/include/va/va.h \
    && test -f /usr/include/va/va_drm.h \
    && test -f /usr/include/libdrm/drm.h \
    && pkg-config --exists libavcodec libavutil libva libdrm x11 xext xfixes \
    && g++ \
        -std=c++17 \
        -Wno-unused-function \
        -fPIC \
        -O3 \
        -flto \
        -shared \
        -Ipixelflux/include \
        -o /out/screen_capture_module.so \
        pixelflux/screen_capture_module.cpp \
        pixelflux/include/xxhash.c \
        -lX11 \
        -lXext \
        -lXfixes \
        -ljpeg \
        -lx264 \
        -lyuv \
        -ldl \
        -lavcodec \
        -lavutil \
    && test -s /out/screen_capture_module.so \
    && ! ldd /out/screen_capture_module.so | grep -q "not found"
    && g++ \
        -std=c++17 \
        -Wno-unused-function \
        -fPIC \
        -O3 \
        -flto \
        -shared \
        -Ipixelflux/include \
        -o /out/screen_capture_module.so \
        pixelflux/screen_capture_module.cpp \
        pixelflux/include/xxhash.c \
        -lX11 \
        -lXext \
        -lXfixes \
        -ljpeg \
        -lx264 \
        -lyuv \
        -ldl \
        -lavcodec \
        -lavutil \
    && test -s /out/screen_capture_module.so

# -----------------------------------------------------------------------------
# Final image
# -----------------------------------------------------------------------------

FROM docker.io/library/ubuntu:${DISTRIB_RELEASE}

ARG DEBIAN_FRONTEND=noninteractive
ARG DISTRIB_RELEASE
ARG TZ=UTC
ARG USER_NAME=ubuntu
ARG USER_UID=1000
ARG USER_GID=1000

LABEL org.opencontainers.image.title="Selkies NVIDIA XFCE Desktop" \
      org.opencontainers.image.description="XFCE remote desktop with Selkies, PipeWire and NVIDIA acceleration" \
      org.opencontainers.image.source="https://github.com/selkies-project/selkies"

SHELL ["/bin/bash", "-o", "pipefail", "-c"]

ENV TZ="${TZ}" \
    LANG="en_US.UTF-8" \
    LANGUAGE="en_US:en" \
    LC_ALL="en_US.UTF-8" \
    PASSWD="mypasswd" \
    DISPLAY=":20" \
    DISPLAY_SIZEW="1920" \
    DISPLAY_SIZEH="1080" \
    DISPLAY_REFRESH="60" \
    DISPLAY_DPI="96" \
    DISPLAY_CDEPTH="24" \
    VIDEO_PORT="DFP" \
    DESKTOP_SESSION="xfce" \
    XDG_SESSION_DESKTOP="xfce" \
    XDG_CURRENT_DESKTOP="XFCE" \
    XDG_SESSION_TYPE="x11" \
    SELKIES_MODE="websockets" \
    SELKIES_PORT="8081" \
    SELKIES_ENCODER="h264enc" \
    SELKIES_ENABLE_RESIZE="false" \
    SELKIES_ENABLE_BASIC_AUTH="true" \
    NVIDIA_VISIBLE_DEVICES="all" \
    NVIDIA_DRIVER_CAPABILITIES="all" \
    __GL_SYNC_TO_VBLANK="0" \
    __GLX_VENDOR_LIBRARY_NAME="nvidia" \
    LIBVA_DRIVER_NAME="nvidia" \
    NVD_BACKEND="direct" \
    MOZ_DISABLE_RDD_SANDBOX="1" \
    MOZ_X11_EGL="1" \
    PIPEWIRE_LATENCY="128/48000" \
    XDG_RUNTIME_DIR="/tmp/runtime-ubuntu" \
    PIPEWIRE_RUNTIME_DIR="/tmp/runtime-ubuntu" \
    PULSE_RUNTIME_PATH="/tmp/runtime-ubuntu/pulse" \
    PULSE_SERVER="unix:/tmp/runtime-ubuntu/pulse/native" \
    DBUS_SYSTEM_BUS_ADDRESS="unix:path=/tmp/runtime-ubuntu/dbus-system-bus" \
    APPIMAGE_EXTRACT_AND_RUN="1" \
    SUDO_EDITOR="mousepad"

# Bootstrap packages needed to configure APT repositories.
RUN apt-get update \
    && apt-get install --no-install-recommends -y \
        ca-certificates \
        curl \
        gnupg \
        locales \
        ssl-cert \
        tzdata \
    && locale-gen en_US.UTF-8 fr_FR.UTF-8 \
    && ln -snf "/usr/share/zoneinfo/${TZ}" /etc/localtime \
    && echo "${TZ}" > /etc/timezone \
    && rm -rf /var/lib/apt/lists/*

# Keep the same Mozilla and PipeWire repositories as the original image.
RUN install -d -m 0755 \
        /etc/apt/preferences.d \
        /etc/apt/sources.list.d \
        /etc/apt/trusted.gpg.d \
    && printf '%s\n' \
        'Package: firefox*' \
        'Pin: version 1:1snap*' \
        'Pin-Priority: -1' \
        > /etc/apt/preferences.d/firefox-nosnap \
    && curl -fsSL \
        'https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x738BEB9321D1AAEC13EA9391AEBDF4819BE21867' \
        | gpg --dearmor \
        > /etc/apt/trusted.gpg.d/mozillateam-ubuntu-ppa.gpg \
    && echo \
        "deb https://ppa.launchpadcontent.net/mozillateam/ppa/ubuntu noble main" \
        > /etc/apt/sources.list.d/mozillateam-ubuntu-ppa.list \
    && curl -fsSL \
        'https://keyserver.ubuntu.com/pks/lookup?op=get&search=0xFC43B7352BCC0EC8AF2EEB8B25088A0359807596' \
        | gpg --dearmor \
        > /etc/apt/trusted.gpg.d/pipewire-debian-ubuntu.gpg \
    && echo \
        "deb https://ppa.launchpadcontent.net/pipewire-debian/pipewire-upstream/ubuntu noble main" \
        > /etc/apt/sources.list.d/pipewire-upstream.list \
    && echo \
        "deb https://ppa.launchpadcontent.net/pipewire-debian/wireplumber-upstream/ubuntu noble main" \
        > /etc/apt/sources.list.d/wireplumber-upstream.list

# Base system, desktop, Xorg, NVIDIA runtime interfaces and user tools.
# There are deliberately no Intel/AMD VA-API or Vulkan drivers and no i386
# architecture.
RUN apt-get update \
    && apt-get install --no-install-recommends -y \
        apt-utils \
        bash-completion \
        binutils \
        btop \
        bzip2 \
        clinfo \
        dbus-user-session \
        dbus-x11 \
        desktop-file-utils \
        dnsutils \
        file \
        firefox \
        fonts-dejavu \
        fonts-liberation \
        fonts-noto \
        fonts-noto-cjk \
        fonts-noto-color-emoji \
        fonts-noto-mono \
        fonts-ubuntu \
        fuse \
        git \
        gvfs \
        jq \
        kmod \
        less \
        libdrm2 \
        libegl1 \
        libelf-dev \
        libgcrypt20 \
        libgl1 \
        libgles1 \
        libgles2 \
        libglu1-mesa \
        libglvnd-dev \
        libglvnd0 \
        libglx0 \
        libgstreamer-plugins-bad1.0-0 \
        libopengl0 \
        libopus0 \
        libpci3 \
        libpulse0 \
        libsm6 \
        libva-drm2 \
        libva-x11-2 \
        libva2 \
        libvulkan1 \
        libx11-6 \
        libx11-xcb1 \
        libxau6 \
        libxcb-dri3-0 \
        libxcb1 \
        libxdamage1 \
        libxdmcp6 \
        libxext6 \
        libxfixes3 \
        libxkbcommon0 \
        libxtst6 \
        libxv1 \
        mousepad \
        nano \
        neofetch \
        net-tools \
        ocl-icd-libopencl1 \
        pavucontrol \
        pciutils \
        procps \
        psmisc \
        python3 \
        python3-pip \
        python3-venv \
        ristretto \
        sudo \
        supervisor \
        thunar \
        tumbler \
        udev \
        unzip \
        vainfo \
        vim \
        vulkan-tools \
        wget \
        wmctrl \
        x11-apps \
        x11-utils \
        x11-xkb-utils \
        x11-xserver-utils \
        x264 \
        x265 \
        xauth \
        xbitmaps \
        xclip \
        xcvt \
        xdg-user-dirs \
        xdg-utils \
        xfce4 \
        xfce4-goodies \
        xfce4-notifyd \
        xfce4-pulseaudio-plugin \
        xfce4-terminal \
        xfonts-base \
        xfonts-scalable \
        xinit \
        xkb-data \
        xsel \
        xserver-xorg-core \
        xserver-xorg-input-libinput \
        xserver-xorg-legacy \
        xsettingsd \
        xterm \
        xdotool \
        xz-utils \
        zip \
        zstd \
        pipewire \
        pipewire-alsa \
        pipewire-audio-client-libraries \
        pipewire-jack \
        pipewire-libcamera \
        pipewire-locales \
        pipewire-v4l2 \
        pipewire-vulkan \
        gstreamer1.0-libcamera \
        gstreamer1.0-pipewire \
        gir1.2-wp-0.5 \
        libpipewire-0.3-modules \
        libpipewire-module-x11-bell \
        libspa-0.2-bluetooth \
        libspa-0.2-jack \
        libspa-0.2-modules \
        wireplumber \
        wireplumber-locales \
        apache2-utils \
        nginx \
        netcat-openbsd \
    && apt-get clean \
    && rm -rf \
        /var/lib/apt/lists/* \
        /var/cache/apt/* \
        /var/cache/debconf/* \
        /var/log/* \
        /tmp/* \
        /var/tmp/*

# Install only the compiled NVIDIA VA-API runtime from the builder stage.
COPY --from=nvidia-vaapi-builder /out/usr/ /usr/

# Make NVIDIA libraries injected by NVIDIA Container Toolkit discoverable.
RUN printf '%s\n' \
        '/usr/local/nvidia/lib' \
        '/usr/local/nvidia/lib64' \
        > /etc/ld.so.conf.d/nvidia.conf \
    && install -d -m 0755 \
        /etc/OpenCL/vendors \
        /etc/vulkan/icd.d \
        /usr/share/glvnd/egl_vendor.d \
    && echo 'libnvidia-opencl.so.1' \
        > /etc/OpenCL/vendors/nvidia.icd \
    && cat > /etc/vulkan/icd.d/nvidia_icd.json <<'EOF'
{
  "file_format_version": "1.0.0",
  "ICD": {
    "library_path": "libGLX_nvidia.so.0",
    "api_version": "1.3.0"
  }
}
EOF

RUN cat > /usr/share/glvnd/egl_vendor.d/10_nvidia.json <<'EOF'
{
  "file_format_version": "1.0.0",
  "ICD": {
    "library_path": "libEGL_nvidia.so.0"
  }
}
EOF

ENV PATH="/opt/selkies/bin:/usr/local/nvidia/bin:${PATH}" \
    LD_LIBRARY_PATH="/usr/local/nvidia/lib:/usr/local/nvidia/lib64"

# Install the Selkies wheel from the official stable build image.
COPY --from=selkies-runtime-builder /opt/selkies /opt/selkies

COPY --from=pixelflux-legacy-builder \
    /out/screen_capture_module.so \
    /tmp/screen_capture_module.so

RUN set -eux; \
    PIXELFLUX_DIR="$(/opt/selkies/bin/python -c \
        'from pathlib import Path; import pixelflux; print(Path(pixelflux.__file__).resolve().parent)')"; \
    install -m 0755 \
        /tmp/screen_capture_module.so \
        "${PIXELFLUX_DIR}/screen_capture_module.so"; \
    ldd "${PIXELFLUX_DIR}/screen_capture_module.so"; \
    test -z "$(ldd "${PIXELFLUX_DIR}/screen_capture_module.so" | grep 'not found' || true)"; \
    rm -f /tmp/screen_capture_module.so

COPY --chown=${USER_UID}:${USER_GID} \
    --from=selkies-web-builder \
    /out/ \
    /opt/selkies-web/

COPY --from=selkies-js-interposer-builder \
    /out/selkies_joystick_interposer.so \
    /usr/local/lib/selkies_joystick_interposer.so

RUN chmod 0755 /usr/local/lib/selkies_joystick_interposer.so

# Create the regular desktop user. sudo-root is kept because Xorg and the
# NVIDIA userspace installer need a few targeted root operations at runtime.
RUN set -eux; \
    if ! getent group "${USER_NAME}" >/dev/null; then \
        groupadd --gid "${USER_GID}" "${USER_NAME}"; \
    fi; \
    if ! id -u "${USER_NAME}" >/dev/null 2>&1; then \
        useradd \
            --uid "${USER_UID}" \
            --gid "${USER_NAME}" \
            --create-home \
            --shell /bin/bash \
            "${USER_NAME}"; \
    else \
        usermod --shell /bin/bash "${USER_NAME}"; \
    fi; \
    for group in \
        adm audio cdrom dialout dip fax floppy games input lp plugdev render \
        ssl-cert sudo tape tty video voice; \
    do \
        getent group "${group}" >/dev/null \
            && usermod -aG "${group}" "${USER_NAME}" \
            || true; \
    done; \
    echo "${USER_NAME} ALL=(ALL:ALL) NOPASSWD: ALL" \
        > "/etc/sudoers.d/${USER_NAME}"; \
    chmod 0440 "/etc/sudoers.d/${USER_NAME}"; \
    echo "${USER_NAME}:${PASSWD}" | chpasswd; \
    cp -a /usr/bin/sudo /usr/bin/sudo-root; \
    chown root:root /usr/bin/sudo-root; \
    chmod 4755 /usr/bin/sudo-root; \
    install -d \
        -o "${USER_UID}" \
        -g "${USER_GID}" \
        -m 0700 \
        /tmp/runtime-ubuntu; \
    chown -R \
        "${USER_UID}:${USER_GID}" \
        "/home/${USER_NAME}" \
        /etc/X11 \
        /opt/selkies

# XFCE defaults suitable for a permanently streamed desktop.
RUN install -d -m 0755 \
        /etc/xdg/xfce4/xfconf/xfce-perchannel-xml \
        /etc/firefox/policies \
    && if [[ -f /etc/xdg/xfce4/panel/default.xml ]]; then \
        cp -f \
            /etc/xdg/xfce4/panel/default.xml \
            /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfce4-panel.xml; \
       fi \
    && cat > /etc/xdg/xfce4/xfconf/xfce-perchannel-xml/xfce4-power-manager.xml <<'EOF'
<?xml version="1.0" encoding="UTF-8"?>
<channel name="xfce4-power-manager" version="1.0">
  <property name="xfce4-power-manager" type="empty">
    <property name="blank-on-ac" type="int" value="0"/>
    <property name="dpms-enabled" type="bool" value="false"/>
    <property name="lock-screen-suspend-hibernate" type="bool" value="false"/>
  </property>
</channel>
EOF

RUN cat > /etc/firefox/policies/policies.json <<'EOF'
{
  "policies": {
    "Preferences": {
      "gfx.x11-egl.force-enabled": {
        "Value": true,
        "Status": "default"
      },
      "media.ffmpeg.vaapi.enabled": {
        "Value": true,
        "Status": "default"
      },
      "media.hardware-video-decoding.force-enabled": {
        "Value": true,
        "Status": "default"
      },
      "media.rdd-ffmpeg.enabled": {
        "Value": true,
        "Status": "default"
      }
    }
  }
}
EOF

RUN update-alternatives --set x-www-browser /usr/bin/firefox \
    || true

# The three files below must be placed beside this Dockerfile.
COPY --chown=${USER_UID}:${USER_GID} entrypoint.sh /etc/entrypoint.sh
COPY --chown=${USER_UID}:${USER_GID} selkies-entrypoint.sh /etc/selkies-entrypoint.sh
COPY --chown=${USER_UID}:${USER_GID} supervisord.conf /etc/supervisord.conf
COPY --chown=${USER_UID}:${USER_GID} nginx.conf /etc/nginx/nginx.conf
COPY --chown=${USER_UID}:${USER_GID} nginx-entrypoint.sh /etc/nginx-entrypoint.sh

RUN sed -i 's/\r$//' \
        /etc/entrypoint.sh \
        /etc/selkies-entrypoint.sh \
        /etc/nginx-entrypoint.sh \
	&& chmod 0755 \
        /etc/entrypoint.sh \
        /etc/selkies-entrypoint.sh \
        /etc/nginx-entrypoint.sh \
        /etc/supervisord.conf

USER ${USER_UID}:${USER_GID}

ENV USER="${USER_NAME}" \
    HOME="/home/${USER_NAME}" \
    SHELL="/bin/bash"

WORKDIR /home/${USER_NAME}

EXPOSE 8080

ENTRYPOINT ["/usr/bin/supervisord", "-c", "/etc/supervisord.conf"]