# 第 4 层 编排调度。多阶段构建（上下文须为仓库根，因 replace ../sundynix-shared）：
#   docker build -f sundynix-dispatcher/Dockerfile -t sundynix/dispatcher .
FROM golang:1.25-alpine AS build
WORKDIR /src
COPY sundynix-shared/go.mod sundynix-shared/go.sum ./sundynix-shared/
COPY sundynix-dispatcher/go.mod sundynix-dispatcher/go.sum ./sundynix-dispatcher/
WORKDIR /src/sundynix-dispatcher
ENV GOWORK=off GOFLAGS=-mod=mod
RUN go mod download
WORKDIR /src
COPY sundynix-shared/ ./sundynix-shared/
COPY sundynix-dispatcher/ ./sundynix-dispatcher/
WORKDIR /src/sundynix-dispatcher
RUN CGO_ENABLED=0 go build -trimpath -ldflags="-s -w" -o /out/dispatcher ./cmd/dispatcher

FROM gcr.io/distroless/static-debian12:nonroot
COPY --from=build /out/dispatcher /dispatcher
ENTRYPOINT ["/dispatcher"]