Compile translations

Dockerfile

@@ -18,6 +18,7 @@ COPY --from=python_build /usr/local/ /usr/local/
 COPY --from=assets_build /hiboo/static /app/hiboo/static
 COPY hiboo /app/hiboo
 COPY migrations /app/migrations
+RUN pybabel compile -d hiboo/translations
 
 ENV FLASK_APP hiboo
 CMD gunicorn -w 4 -b :80 --access-logfile - --error-logfile - --preload 'hiboo:create_app()'