Make our fonts available to the system

To make them more useable by cairo

docker/Dockerfile

@@ -16,7 +16,6 @@ RUN set -ex \
         libmemcached-dev \
         libsasl2-dev \
     ' \
-
     && apt-get install -y git xmlsec1 libmysqlclient18 \
     && apt-get install -y $buildDeps --no-install-recommends \
     && rm -rf /var/lib/apt/lists/*
@@ -40,6 +39,10 @@ RUN set -x \
     && DJANGO_SECRET_KEY=1234 STRIPE_PUBLIC_KEY=1234 STRIPE_SECRET_KEY=1234 \
        DATABASE_URL="sqlite:////dev/null" \
        python manage.py collectstatic --noinput -l -v 0
+RUN set -ex \
+    && cp static/build/fonts/*.ttf /usr/local/share/fonts/ \
+    && fc-cache \
+    && fc-list
 
 FROM symposion_base as symposion_dev
 VOLUME /app/symposion_app