FROM --platform=$BUILDPLATFORM golang:1.23-alpine as builder

LABEL maintainer="Antonio Mika <[email protected]>"

ENV CGO_ENABLED 0

WORKDIR /app

RUN mkdir -p /emptydir

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

COPY go.* ./

RUN go mod download

FROM builder as build-image

COPY . .

ARG VERSION=dev

ARG COMMIT=none

ARG DATE=unknown

ARG REPOSITORY=unknown

ARG TARGETOS

ARG TARGETARCH

ENV GOOS=${TARGETOS} GOARCH=${TARGETARCH}

RUN go build -o /go/bin/app -ldflags="-s -w -X github.com/${REPOSITORY}/cmd.Version=${VERSION} -X github.com/${REPOSITORY}/cmd.Commit=${COMMIT} -X github.com/${REPOSITORY}/cmd.Date=${DATE}"

ENTRYPOINT ["/go/bin/app"]

FROM scratch as release

LABEL maintainer="Antonio Mika <[email protected]>"

WORKDIR /app

COPY --from=build-image /emptydir /tmp

COPY --from=build-image /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/

COPY --from=build-image /app/deploy/ /app/deploy/

COPY --from=build-image /app/README* /app/LICENSE* /app/

COPY --from=build-image /app/templates /app/templates

COPY --from=build-image /go/bin/ /app/

ENTRYPOINT ["/app/app"]