# Base-Image
FROM alpine:latest AS builder

# Pakete installieren
RUN apk add --no-cache build-base

# Arbeitsverzeichnis setzen
WORKDIR /app

# alles kopieren
COPY . .

# Code kompilieren
RUN gcc -o deployment deployment.c

# Stage 2
FROM alpine:latest

RUN apk upgrade --no-cache

RUN addgroup -S stdgroup && adduser -S stduser -G stdgroup

WORKDIR /app

COPY --from=builder /app/deployment .


# Verzeichnis für Ausgabe anlegen
RUN mkdir /output && chown stduser:stdgroup /output

VOLUME ["/output"]
USER stduser

HEALTHCHECK --interval=30s --timeout=5s --start-period=15s --retries=3 CMD test -f /output/output.txt || exit 1

# Ausgabe wird ins Container-Dateisystem geschrieben
ENTRYPOINT ["/bin/bash", "-c"]
CMD ["./deployment 10 > /output/output.txt && tail -f /output/output.txt"]