FROM golang:1.22-bullseye as builder

WORKDIR /go/src/app

RUN apt-get update && \
    apt-get install -y upx ca-certificates tzdata && \
    apt-get upgrade -y # upgrade to get latest ca-certs

ARG VERSION=main
ARG BUILD="N/A"

ENV GO111MODULE=on \
  CGO_ENABLED=0 \
  GOOS=linux

COPY . /go/src/app/

RUN go build -a -installsuffix cgo -ldflags="-w -s -X github.com/bakito/adguardhome-sync/version.Version=${VERSION} -X github.com/bakito/adguardhome-sync/version.Build=${BUILD}" -o adguardhome-sync . \
  && upx -q adguardhome-sync

# application image
FROM scratch
WORKDIR /opt/go

LABEL maintainer="bakito <github@bakito.ch>"
EXPOSE 8080
ENTRYPOINT ["/opt/go/adguardhome-sync"]
CMD ["run", "--config", "/config/adguardhome-sync.yaml"]
COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
COPY --from=builder /usr/share/zoneinfo/ /usr/share/zoneinfo/
COPY --from=builder /go/src/app/adguardhome-sync  /opt/go/adguardhome-sync
USER 1001