init: ops-assistant codebase

Dockerfile

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+# ============ 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 ops-assistant/version.Version=${VERSION} \
+              -X ops-assistant/version.GitCommit=${GIT_COMMIT} \
+              -X ops-assistant/version.BuildTime=${BUILD_TIME}" \
+    -o ops-assistant 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/ops-assistant .
+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 9621
+
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+  CMD curl -f http://localhost:9621/health || exit 1
+
+ENTRYPOINT ["./ops-assistant"]