feat:docker镜像构建发布

Dockerfile

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+# ==============================================
+# 最简 Dockerfile - 专为 Docker 环境优化
+# ==============================================
+
+FROM node:20-alpine AS builder
+
+# 国内镜像源优化
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories && \
+    npm config set registry https://registry.npmmirror.com
+
+# 安装必要工具
+RUN apk add --no-cache bash git curl wget make ca-certificates tzdata
+
+# 安装 Go
+ENV GO_VERSION=1.21.5
+RUN wget https://mirrors.aliyun.com/golang/go${GO_VERSION}.linux-amd64.tar.gz && \
+    tar -C /usr/local -xzf go${GO_VERSION}.linux-amd64.tar.gz && \
+    rm go${GO_VERSION}.linux-amd64.tar.gz
+
+# Go 环境
+ENV PATH=/usr/local/go/bin:$PATH
+ENV GOPROXY=https://goproxy.cn,direct
+
+WORKDIR /app
+
+# Go 依赖
+COPY go.mod go.sum ./
+RUN go mod download
+
+# 前端依赖和构建
+COPY chuan-next/package.json ./chuan-next/
+RUN cd chuan-next && npm install
+
+COPY chuan-next/ ./chuan-next/
+# 临时移除 API 目录进行 SSG 构建（模仿 build-fullstack.sh）
+RUN cd chuan-next && \
+    if [ -d "src/app/api" ]; then mv src/app/api /tmp/api-backup; fi && \
+    NEXT_EXPORT=true npm run build && \
+    if [ -d "/tmp/api-backup" ]; then mv /tmp/api-backup src/app/api; fi
+
+# Go 源码和构建
+COPY cmd/ ./cmd/
+COPY internal/ ./internal/
+
+# 嵌入前端文件
+RUN mkdir -p internal/web/frontend && \
+    cp -r chuan-next/out/* internal/web/frontend/
+
+# 构建 Go 应用
+RUN CGO_ENABLED=0 go build -ldflags='-w -s' -o server ./cmd
+
+# ==============================================
+
+FROM alpine:3.18
+
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories && \
+    apk add --no-cache ca-certificates tzdata && \
+    adduser -D -s /bin/sh appuser
+
+WORKDIR /app
+COPY --from=builder --chown=appuser:appuser /app/server ./
+USER appuser
+
+EXPOSE 8080
+CMD ["./server"]