FROM --platform=$BUILDPLATFORM golang:alpine AS builder

ARG VERSION="nightly"
ARG GIT_COMMIT

ARG TARGETOS
ARG TARGETARCH

ENV GOOS=$TARGETOS \
    GOARCH=$TARGETARCH \
    GO111MODULE=on \
    CGO_ENABLED=0

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

WORKDIR /src
RUN mkdir -p /src/out/$GOOS/$GOARCH

COPY ./nats-server/ /src/nats-server/
COPY ./nsc/         /src/nsc/
COPY ./natscli/     /src/natscli/

RUN cd /src/nats-server && go build -trimpath \
       -ldflags "-w -X server.serverVersion=${VERSION},server.gitCommit=${GIT_COMMIT}" \
       -o /src/out/$TARGETOS/$TARGETARCH/nats-server .

RUN cd /src/natscli && go build -trimpath \
       -ldflags "-w -X main.version=${VERSION}" \
       -o /src/out/$TARGETOS/$TARGETARCH/nats ./nats

RUN cd /src/nsc && go build -trimpath \
       -o /src/out/$TARGETOS/$TARGETARCH/nsc .

FROM --platform=$TARGETPLATFORM alpine:latest

ARG TARGETOS
ARG TARGETARCH

RUN apk add --no-cache tzdata

COPY --from=builder /etc/ssl/certs/ca-certificates.crt         /etc/ssl/certs/
COPY --from=builder /src/out/$TARGETOS/$TARGETARCH/nats-server /bin/nats-server
COPY --from=builder /src/out/$TARGETOS/$TARGETARCH/nats        /bin/nats
COPY --from=builder /src/out/$TARGETOS/$TARGETARCH/nsc         /bin/nsc

EXPOSE 4222 8222 6222 5222

ENTRYPOINT ["/bin/nats-server"]