FROM openjdk:slim
COPY --from=python:3 / /

WORKDIR /usr/src/app

# Prepare Minecraft - Matrix bridge
COPY requirements.txt ./
RUN pip install --no-cache-dir -r requirements.txt

# Prepare MC server
COPY server.jar ./
RUN java -jar server.jar --nogui

COPY . .

# Buffer Python's stdout for debugging during runtime
ENV PYTHONUNBUFFERED=1

CMD ["python", "main.py", "java", "-Xmx1024M", "-Xms1024M", "-jar", "server.jar", "nogui"]