FROM ubuntu:20.04 as build ENV DEBIAN_FRONTEND=noninteractive COPY packages.txt / RUN apt-get update && apt-get install -y $(cat packages.txt) RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh COPY requirements.txt / RUN python3 -m pip install -r requirements.txt RUN mkdir /banjo WORKDIR /banjo