Create Dockerfile

Dockerfile

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+FROM eclipse-temurin:21-jre-jammy
+
+# ── metadata ──────────────────────────────────────────────
+LABEL maintainer="your-username"
+LABEL description="Minecraft Java Server on Hugging Face Spaces"
+
+# ── env defaults (override in HF Space secrets / env vars) ─
+ENV MC_VERSION="1.21.4"
+ENV MC_MEMORY="1G"
+ENV MC_MAX_MEMORY="2G"
+ENV MC_WORLD="world"
+ENV SERVER_PORT=25565
+ENV EULA=true
+
+# ── system deps ───────────────────────────────────────────
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    curl wget jq ca-certificates \
+    && rm -rf /var/lib/apt/lists/*
+
+# ── create non-root user (HF Spaces requires uid 1000) ────
+RUN useradd -m -u 1000 minecraft
+WORKDIR /home/minecraft
+
+# ── data directory (world saves, configs, logs) ───────────
+RUN mkdir -p /data && chown -R minecraft:minecraft /data
+
+# ── copy scripts ──────────────────────────────────────────
+COPY --chown=minecraft:minecraft start.sh /home/minecraft/start.sh
+COPY --chown=minecraft:minecraft config/server.properties.template \
+     /home/minecraft/server.properties.template
+
+RUN chmod +x /home/minecraft/start.sh
+
+# ── switch to non-root ────────────────────────────────────
+USER minecraft
+
+EXPOSE ${SERVER_PORT}
+
+ENTRYPOINT ["/home/minecraft/start.sh"]