重命名 api 文件夹为 backend
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54
backend/api/Dockerfile
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54
backend/api/Dockerfile
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FROM golang:1.25.8-alpine3.23 AS builder
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# 安装构建依赖
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RUN apk add --no-cache git ca-certificates tzdata
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# 设置工作目录
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WORKDIR /app
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# 复制依赖文件
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COPY go.mod go.sum ./
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# 下载依赖
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RUN go mod download
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# 复制源代码
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COPY . .
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# 构建应用
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RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
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-ldflags="-w -s" \
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-o /app/server \
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main.go
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# 使用更小的基础镜像
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FROM alpine:3.23
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# 安装运行时依赖
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RUN apk --no-cache add ca-certificates tzdata
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# 创建非 root 用户
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RUN addgroup -g 1000 -S appgroup && \
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adduser -u 1000 -S appuser -G appgroup
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# 设置工作目录
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WORKDIR /app
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# 从 builder 复制二进制文件
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COPY --from=builder /app/server /app/server
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# 更改文件所有者
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RUN chown -R appuser:appgroup /app
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# 切换到非 root 用户
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USER appuser
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# 暴露端口
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EXPOSE 8080
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# 健康检查
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HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
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CMD wget --no-verbose --tries=1 --spider http://localhost:8080/health || exit 1
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# 启动应用
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ENTRYPOINT ["/app/server"]
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