FROM docker.io/mailserver/docker-mailserver:latest LABEL maintainer="andreas.knuth@bayarea-cc.com" LABEL description="Custom DMS with Python3 support" # Install Python and boto3 RUN apt-get update && \ apt-get install -y --no-install-recommends \ python3 \ python3-pip \ && pip3 install --break-system-packages --no-cache-dir boto3 \ && apt-get clean \ && rm -rf /var/lib/apt/lists/*