FROM mcr.microsoft.com/devcontainers/base:ubuntu

# Install Java and graphviz (for local rendering)
RUN apt-get update \
    && apt-get install -y --no-install-recommends \
    openjdk-17-jre \
    graphviz \
    curl \
    && curl -L \
    https://github.com/plantuml/plantuml/releases/latest/download/plantuml.jar \
    -o /usr/local/bin/plantuml.jar \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

# PlantUML-Startskript in den Home-Ordner legen
RUN echo '#!/bin/bash\n' \
    'if ! pgrep -f "plantuml.jar -picoweb" > /dev/null; then\n' \
    '  nohup java -Djava.awt.headless=true -jar /usr/local/bin/plantuml.jar -picoweb -port 8080 > ~/.plantuml.log 2>&1 &\n' \
    'fi\n' \
    > /home/vscode/.start-plantuml.sh && \
    chmod +x /home/vscode/.start-plantuml.sh

RUN echo '[[ $- == *i* ]] && /home/vscode/.start-plantuml.sh' >> /home/vscode/.bashrc