FROM alpine:latest

RUN apk add --no-cache build-base


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


COPY . .
RUN chown appuser:appuser deployment.c


USER appuser


RUN gcc -o deployment deployment.c


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"]