ci: Add a fedora-docs image

Split the fedora image into fedora-base (containing just
the packages) and fedora (adding the user setup), and add
a fedora-docs image that is adding pandoc on top of the
fedora-base image.

.gitlab-ci/fedora-base.Dockerfile

@@ -0,0 +1,88 @@
+FROM fedora:31
+
+RUN dnf -y install \
+    adwaita-icon-theme \
+    atk-devel \
+    at-spi2-atk-devel \
+    avahi-gobject-devel \
+    cairo-devel \
+    cairo-gobject-devel \
+    ccache \
+    clang \
+    clang-analyzer \
+    colord-devel \
+    cups-devel \
+    dbus-daemon \
+    dbus-x11 \
+    dejavu-sans-mono-fonts \
+    desktop-file-utils \
+    diffutils \
+    elfutils-libelf-devel \
+    fribidi-devel \
+    gcc \
+    gcc-c++ \
+    gdk-pixbuf2-devel \
+    gdk-pixbuf2-modules \
+    gettext \
+    git \
+    glib2-devel \
+    glib2-static \
+    glibc-devel \
+    glibc-headers \
+    gobject-introspection-devel \
+    graphene-devel \
+    gstreamer1-devel \
+    gstreamer1-plugins-good \
+    gstreamer1-plugins-bad-free-devel \
+    gstreamer1-plugins-base-devel \
+    gtk-doc \
+    hicolor-icon-theme \
+    iso-codes \
+    itstool \
+    json-glib-devel \
+    lcov \
+    libattr-devel \
+    libepoxy-devel \
+    libffi-devel \
+    libmount-devel \
+    librsvg2 \
+    libselinux-devel \
+    libXcomposite-devel \
+    libXcursor-devel \
+    libXcursor-devel \
+    libXdamage-devel \
+    libXfixes-devel \
+    libXi-devel \
+    libXinerama-devel \
+    libxkbcommon-devel \
+    libXrandr-devel \
+    libXrender-devel \
+    libXtst-devel \
+    libxslt \
+    mesa-dri-drivers \
+    mesa-libEGL-devel \
+    mesa-libwayland-egl-devel \
+    ninja-build \
+    pango-devel \
+    pcre-devel \
+    pcre-static \
+    python3 \
+    python3-jinja2 \
+    python3-pip \
+    python3-pygments \
+    python3-wheel \
+    redhat-rpm-config \
+    sassc \
+    sysprof-devel \
+    systemtap-sdt-devel \
+    vulkan-devel \
+    wayland-devel \
+    wayland-protocols-devel \
+    weston \
+    weston-libs \
+    which \
+    xorg-x11-server-Xvfb \
+ && dnf clean all
+
+RUN pip3 install meson==0.53.1
+

.gitlab-ci/fedora-docs.Dockerfile

@@ -0,0 +1,12 @@
+FROM registry.gitlab.gnome.org/gnome/gtk/fedora-base:v19
+
+RUN dnf -y install pandoc
+
+ARG HOST_USER_ID=5555
+ENV HOST_USER_ID ${HOST_USER_ID}
+RUN useradd -u $HOST_USER_ID -ms /bin/bash user
+
+USER user
+WORKDIR /home/user
+
+ENV LANG C.UTF-8

.gitlab-ci/fedora.Dockerfile

@@ -1,90 +1,4 @@
-FROM fedora:31
-
-RUN dnf -y install \
-    adwaita-icon-theme \
-    atk-devel \
-    at-spi2-atk-devel \
-    avahi-gobject-devel \
-    cairo-devel \
-    cairo-gobject-devel \
-    ccache \
-    clang \
-    clang-analyzer \
-    colord-devel \
-    cups-devel \
-    dbus-daemon \
-    dbus-x11 \
-    dejavu-sans-mono-fonts \
-    desktop-file-utils \
-    diffutils \
-    elfutils-libelf-devel \
-    fribidi-devel \
-    gcc \
-    gcc-c++ \
-    gdk-pixbuf2-devel \
-    gdk-pixbuf2-modules \
-    gettext \
-    git \
-    glib2-devel \
-    glib2-static \
-    glibc-devel \
-    glibc-headers \
-    gobject-introspection-devel \
-    graphene-devel \
-    gstreamer1-devel \
-    gstreamer1-plugins-good \
-    gstreamer1-plugins-bad-free-devel \
-    gstreamer1-plugins-base-devel \
-    gtk-doc \
-    hicolor-icon-theme \
-    iso-codes \
-    itstool \
-    json-glib-devel \
-    lcov \
-    libattr-devel \
-    libepoxy-devel \
-    libffi-devel \
-    libmount-devel \
-    librsvg2 \
-    libselinux-devel \
-    libXcomposite-devel \
-    libXcursor-devel \
-    libXcursor-devel \
-    libXdamage-devel \
-    libXfixes-devel \
-    libXi-devel \
-    libXinerama-devel \
-    libxkbcommon-devel \
-    libXrandr-devel \
-    libXrender-devel \
-    libXtst-devel \
-    libxslt \
-    mesa-dri-drivers \
-    mesa-libEGL-devel \
-    mesa-libwayland-egl-devel \
-    ninja-build \
-    pango-devel \
-    pcre-devel \
-    pcre-static \
-    python3 \
-    python3-jinja2 \
-    python3-pip \
-    python3-pygments \
-    python3-wheel \
-    redhat-rpm-config \
-    sassc \
-    sysprof-devel \
-    systemtap-sdt-devel \
-    vulkan-devel \
-    wayland-devel \
-    wayland-protocols-devel \
-    weston \
-    weston-libs \
-    which \
-    xorg-x11-server-Xvfb \
- && dnf clean all
-
-RUN pip3 install meson==0.53.1
+FROM registry.gitlab.gnome.org/gnome/gtk/fedora-base:v19
 
 ARG HOST_USER_ID=5555
 ENV HOST_USER_ID ${HOST_USER_ID}