FROM golang:alpine AS build
RUN apk add --no-cache --update git
ADD . /go/src/app
WORKDIR /go/src/app
RUN go get ./...
RUN go build \
    -a -tags timetzdata \
    -o vangogh \
    -ldflags="-s -w -X 'github.com/arelate/vangogh/reqs.GitTag=`git describe --tags --abbrev=0`'" \
    main.go

FROM alpine:latest
COPY --from=build /go/src/app/vangogh /usr/bin/vangogh
COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/

EXPOSE 1853

# cold storage is less frequently accessed data, that can be stored on hibernating HDD.
# hot storage is frequently accessed data, that can benefit from being stored on SSD.

# backups (cold storage)
VOLUME /var/lib/vangogh/backups
# downloads (cold storage)
VOLUME /var/lib/vangogh/downloads
# binaries (cold storage)
VOLUME /var/lib/vangogh/binaries
# images (hot storage)
VOLUME /var/lib/vangogh/images
# logs (cold storage)
VOLUME /var/log/vangogh
# metadata (hot storage)
VOLUME /var/lib/vangogh/metadata

USER nobody

ENTRYPOINT ["/usr/bin/vangogh"]
CMD ["serve","-port", "1853", "-stderr"]