FROM golang:1.25-alpine AS bubble-builder

WORKDIR /src
RUN apk add git && git clone https://github.com/iceBear67/bubble . && go mod download && mkdir /build
RUN CGO_ENABLED=0 go build -o /build/daemon . && \
	 CGO_ENABLED=0 go build -o /build/auth_server ./gitea-auth/

RUN CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH \
    go build -o /build/daemon . && \
    CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH \
    go build -o /build/auth_server ./gitea-auth/

FROM alpine:3.24 AS rootfs-builder
RUN apk update && apk add alpine-make-vm-image
COPY ./image /kitchen
COPY .env /kitchen/.env
RUN sh /kitchen/substitution.sh < /kitchen/.env
COPY --from=bubble-builder --chmod=755 /build/daemon /kitchen/overlay/usr/bin/bubble
COPY --from=bubble-builder --chmod=755 /build/auth_server /kitchen/overlay/usr/bin/auth-server
COPY ./secret/* /kitchen/overlay/etc/ssh/
RUN --security=insecure \
	 --mount=type=bind,from=host-modules,source=/,target=/lib/modules \
    cd /kitchen && rm -f vm.raw && ALPINE_BRANCH="3.24" ./build-image.sh

FROM scratch AS export
COPY --from=rootfs-builder /kitchen/vm.raw /vm.raw