FROM alpine:latest AS builder

RUN apk add --no-cache build-base

WORKDIR /build
COPY deployment.c .


RUN gcc -static -o deployment deployment.c

FROM alpine:latest

WORKDIR /app
COPY --from=builder /build/deployment .

RUN adduser -D appuser && \
    mkdir /output && \
    chown -R appuser:appuser /app /output

USER appuser

VOLUME /output

HEALTHCHECK --interval=30s --timeout=5s CMD test -f /output/output.txt || exit 1

CMD ["sh", "-c", "./deployment 10 > /output/output.txt && tail -f /output/output.txt"]