# syntax=docker/dockerfile:1@sha256:87999aa3d42bdc6bea60565083ee17e86d1f3339802f543c0d03998580f9cb89
FROM --platform=$BUILDPLATFORM golang:1.26-alpine@sha256:0178a641fbb4858c5f1b48e34bdaabe0350a330a1b1149aabd498d0699ff5fb2 AS build

ARG TARGETOS
ARG TARGETARCH
ARG TARGETVARIANT
ARG VERSION
ENV GOOS=$TARGETOS GOARCH=$TARGETARCH VERSION=$VERSION

RUN apk add --no-cache make git

WORKDIR /go/src/github.com/hairyhenderson/gomplate
COPY go.mod /go/src/github.com/hairyhenderson/gomplate
COPY go.sum /go/src/github.com/hairyhenderson/gomplate

RUN --mount=type=cache,id=go-build-${TARGETOS}-${TARGETARCH}${TARGETVARIANT},target=/root/.cache/go-build \
	--mount=type=cache,id=go-pkg-${TARGETOS}-${TARGETARCH}${TARGETVARIANT},target=/go/pkg \
		go mod download -x

COPY . /go/src/github.com/hairyhenderson/gomplate

RUN --mount=type=cache,id=go-build-${TARGETOS}-${TARGETARCH}${TARGETVARIANT},target=/root/.cache/go-build \
	--mount=type=cache,id=go-pkg-${TARGETOS}-${TARGETARCH}${TARGETVARIANT},target=/go/pkg \
		make build
RUN mv bin/gomplate* /bin/

FROM scratch AS gomplate-linux

ARG VCS_REF
ARG TARGETOS
ARG TARGETARCH
ARG TARGETVARIANT

LABEL org.opencontainers.image.revision=$VCS_REF \
	org.opencontainers.image.source="https://github.com/hairyhenderson/gomplate"

COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
COPY --from=build /bin/gomplate_${TARGETOS}-${TARGETARCH}${TARGETVARIANT} /gomplate

ENTRYPOINT [ "/gomplate" ]

FROM alpine:3.24@sha256:28bd5fe8b56d1bd048e5babf5b10710ebe0bae67db86916198a6eec434943f8b AS gomplate-alpine

ARG VCS_REF
ARG TARGETOS
ARG TARGETARCH
ARG TARGETVARIANT

LABEL org.opencontainers.image.revision=$VCS_REF \
	org.opencontainers.image.source="https://github.com/hairyhenderson/gomplate"

COPY --from=build /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
COPY --from=build /bin/gomplate_${TARGETOS}-${TARGETARCH}${TARGETVARIANT} /bin/gomplate

ENTRYPOINT [ "/bin/gomplate" ]

FROM --platform=windows/amd64 mcr.microsoft.com/windows/nanoserver:ltsc2022@sha256:7644d94e806b07c22d7e276a8cdbcbffac1d02bf3d5170884302d0e9b0a519e9 AS gomplate-windows
ARG TARGETOS
ARG TARGETARCH
ARG TARGETVARIANT
COPY --from=build /bin/gomplate_${TARGETOS}-${TARGETARCH}${TARGETVARIANT}.exe /gomplate.exe

FROM gomplate-$TARGETOS AS gomplate
