# syntax=docker/dockerfile:1.7

FROM golang:1.26.2-alpine AS base

WORKDIR /app

RUN apk add --no-cache git

COPY go.mod go.sum ./
RUN go mod download

FROM base AS dev

COPY . .

RUN --mount=type=cache,target=/root/.cache/go-build \
    CGO_ENABLED=0 GOOS=linux GOARCH=amd64 \
      go build -trimpath -ldflags="-s -w" -o /usr/local/bin/baron-backend-dev ./cmd/server

EXPOSE 3000

CMD ["/usr/local/bin/baron-backend-dev"]

FROM base AS builder

ARG TARGETOS=linux
ARG TARGETARCH=amd64

COPY . .

RUN --mount=type=cache,target=/root/.cache/go-build \
    CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} \
      go build -trimpath -ldflags="-s -w" -o /out/main ./cmd/server && \
    CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} \
      go build -trimpath -ldflags="-s -w" -o /out/healthcheck ./cmd/healthcheck

FROM gcr.io/distroless/static-debian13:nonroot AS production

WORKDIR /app

COPY --from=builder --chown=65532:65532 /out/main ./main
COPY --from=builder --chown=65532:65532 /out/healthcheck ./healthcheck
COPY --from=builder --chown=65532:65532 /app/docs ./docs

EXPOSE 3000

USER 65532:65532

ENTRYPOINT ["/app/main"]