Draft for contract printing

back/Dockerfile

@@ -1,6 +1,8 @@
 FROM python:3.10
 
-# make the 'app' folder the current working directory
+RUN apt update && apt install -y xfonts-base xfonts-75dpi python3-pip python3-cffi python3-brotli libpango-1.0-0 libpangoft2-1.0-0 \
+    && rm -rf /var/lib/apt/lists/*
+
 WORKDIR /code
 
 # copy both 'package.json' and 'package-lock.json' (if available)