FROM docker.io/golang:1.22-alpine3.20 as builder

ENV CGO_ENABLED=0

RUN apk --no-cache add \
  git 

WORKDIR /build

ENV VERSION=v0.99.18
RUN git clone https://github.com/matrix-org/sliding-sync.git
WORKDIR /build/sliding-sync
RUN git checkout $VERSION

RUN go build ./cmd/syncv3

FROM docker.io/alpine:3.20

RUN addgroup -g 2222 matrix-sync
RUN adduser -h /var/lib/matrix-sync -u 2222 -D -G matrix-sync matrix-sync

RUN apk --no-cache add \
  ca-certificates

COPY --from=builder /build/sliding-sync/syncv3 /syncv3

USER matrix-sync
ENTRYPOINT [ "/syncv3" ]
EXPOSE 8008