# syntax=docker/dockerfile:1
# Official linux/amd64 manifest observed 2026-09-09; no host JDK is used.
FROM eclipse-temurin:17-jdk-jammy@sha256:c0d1549d1e0f5fa5b83622ec0033b00456107e0b1d0cfcce4c1d831532ce621e
RUN apt-get update \
    && apt-get install -y --no-install-recommends python3 git ca-certificates \
    && rm -rf /var/lib/apt/lists/*
ENV PYTHONDONTWRITEBYTECODE=1 GIT_OPTIONAL_LOCKS=0
WORKDIR /tmp
CMD ["java", "-version"]