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# Base-Image
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# -----------------------
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FROM alpine AS build-env
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# 1. BUILD STAGE
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# -----------------------
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FROM gcc:13-alpine AS builder
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# Pakete installieren
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RUN akp add --no-cache biuld-base curl
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# Arbeitsverzeichnis setzen
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WORKDIR /app
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WORKDIR /app
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# alles kopieren
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COPY deployment.c .
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COPY . .
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# Code kompilieren
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RUN gcc -O2 -o deployment deployment.c
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RUN gcc -o deployment deployment.c
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# Verzeichnis für Ausgabe anlegen
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RUN mkdir /output
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# Ausgabe wird ins Container-Dateisystem geschrieben
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# -----------------------
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ENTRYPOINT ["/bin/bash", "-c"]
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# 2. RUNTIME STAGE
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CMD ["./deployment 10 > /output/output.txt && tail -f /output/output.txt"]
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# -----------------------
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FROM alpine:latest
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# Sicherheitsuser anlegen
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RUN addgroup -S appgroup && adduser -S appuser -G appgroup
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WORKDIR /app
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# nur Binary übernehmen
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COPY --from=builder /app/deployment /app/deployment
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# Output-Verzeichnis
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RUN mkdir /output && chown -R appuser:appgroup /output /app
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# Non-root User
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USER appuser
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# Volume für Ausgabe
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VOLUME ["/output"]
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# Healthcheck (angepasst an dein Programm)
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# Falls es nur einmal läuft: alternative prüfen (siehe Hinweis unten)
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HEALTHCHECK --interval=30s --timeout=3s \
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CMD test -f /output/output.txt || exit 1
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# Start
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CMD ["/app/deployment", "10"]
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