forked from freudenreichan/EinfuehrungInDocker_Pipeline2
Tobias Niegratschka
725af0162e
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43 lines
1.1 KiB
Docker
43 lines
1.1 KiB
Docker
FROM debian:stable-slim AS builder
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RUN apt-get update && apt-get install -y \
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build-essential \
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gcc \
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&& rm -rf /var/lib/apt/lists/*
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# Arbeitsverzeichnis für den Bau
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WORKDIR /build
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# Kopiere NUR die Quelldatei deployment.c
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COPY deployment.c .
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RUN gcc -o deployment deployment.c -static
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FROM alpine:latest
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RUN addgroup -S appgroup && adduser -S appuser -G appgroup
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# 2. Arbeitsverzeichnis und Mount-Point vorbereiten
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WORKDIR /app
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# Erstelle das /output Verzeichnis IM Container und übergebe die Rechte an appuser
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RUN mkdir /output && chown appuser:appgroup /output
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COPY --from=builder /build/deployment .
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# Rechte anpassen
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RUN chown appuser:appgroup deployment
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# Wechsel zum Non-Root User
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USER appuser
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# 4. Datavolume definieren (Mount-Point)
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VOLUME ["/output"]
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# 5. HEALTHCHECK implementieren
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# Wir prüfen alle 30s, ob die App überhaupt läuft.
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HEALTHCHECK --interval=30s --timeout=5s --start-period=5s --retries=3 \
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CMD pgrep deployment || exit 1
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# Startbefehl anpassen (für sh statt bash, was in alpine standard ist)
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ENTRYPOINT ["/bin/sh", "-c"]
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CMD ["./deployment 10 > /output/output.txt && tail -f /output/output.txt"] |