FROM golang:1.26 AS base
WORKDIR /app

FROM base AS dev
# 源码由 compose 挂载进 /app;镜像只带工具链 + delve
RUN go install github.com/go-delve/delve/cmd/dlv@latest
EXPOSE 8080 2345
CMD ["sh", "-c", "go mod download && dlv debug ./cmd/server --headless --listen=0.0.0.0:2345 --api-version=2 --continue --log"]