18 lines
735 B
Docker
18 lines
735 B
Docker
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# Tiny init-container image. No app code, no shell-injection surface — script
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# only sees env vars set by the orchestrator.
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FROM busybox:1.37-musl
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# Run as non-root (UID 1000 inside the container; with userns_mode this is
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# remapped to host UID ~101000 — fully unprivileged on the host).
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# Pre-create /app/jars owned by `loader` so the orchestrator's named-volume
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# mount inherits that ownership at first init — without it the empty named
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# volume comes up as root:root 0755 and wget can't write app.jar.
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RUN adduser -D -u 1000 loader && mkdir -p /app/jars && chown -R loader:loader /app
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COPY entrypoint.sh /usr/local/bin/loader
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RUN chmod +x /usr/local/bin/loader
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USER loader
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WORKDIR /app
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ENTRYPOINT ["/usr/local/bin/loader"]
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