# ============ 构建阶段 ============
FROM golang:1.22-bookworm AS builder

ARG VERSION=dev
ARG GIT_COMMIT=unknown
ARG BUILD_TIME=unknown

WORKDIR /build

# 安装 gojieba 依赖
RUN apt-get update && apt-get install -y gcc g++ cmake && rm -rf /var/lib/apt/lists/*

# 先复制依赖文件，利用缓存
COPY go.mod go.sum ./
RUN go mod download

# 复制源码
COPY . .

# 编译
RUN CGO_ENABLED=1 go build \
    -ldflags "-X xiaji-go/version.Version=${VERSION} \
              -X xiaji-go/version.GitCommit=${GIT_COMMIT} \
              -X xiaji-go/version.BuildTime=${BUILD_TIME}" \
    -o xiaji-go cmd/main.go

# ============ 运行阶段 ============
FROM debian:bookworm-slim

RUN apt-get update && apt-get install -y ca-certificates tzdata && rm -rf /var/lib/apt/lists/*

ENV TZ=Asia/Shanghai

WORKDIR /app

# 从构建阶段复制
COPY --from=builder /build/xiaji-go .
COPY --from=builder /build/templates/ ./templates/
COPY --from=builder /build/config.yaml.example ./config.yaml.example

# gojieba 词典文件
COPY --from=builder /go/pkg/mod/github.com/yanyiwu/gojieba@v1.3.0/dict/ /app/dict/

# 数据目录
VOLUME ["/app/data"]

EXPOSE 9521

HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD curl -f http://localhost:9521/health || exit 1

ENTRYPOINT ["./xiaji-go"]