FROM golang:1.23.1-alpine3.20 as build

COPY . /src

RUN cd /src \
    && go build -o downloadhub \
    && mkdir -p ./fs/var/opt/downloadhub \
    && mkdir -p ./fs/opt/downloadhub \
    && cp downloadhub ./fs/opt/downloadhub/downloadhub

FROM scratch as prod

COPY --from=build --chmod=755 /src/fs /

EXPOSE 8080
ENTRYPOINT [ "/opt/downloadhub/downloadhub", "-c", "/var/opt/downloadhub/content.json" ]