38 lines
749 B
Docker
38 lines
749 B
Docker
|
# 第一阶段：构建
|
|||
|
|
FROM golang:1.23-alpine AS builder
|
|||
|
|
|
|||
|
|
# 设置工作目录
|
|||
|
|
WORKDIR /app
|
|||
|
|
|
|||
|
|
# 安装必要的构建工具
|
|||
|
|
RUN apk add --no-cache gcc musl-dev
|
|||
|
|
|
|||
|
|
# 复制依赖文件并下载
|
|||
|
|
COPY go.mod go.sum ./
|
|||
|
|
RUN go mod download
|
|||
|
|
|
|||
|
|
# 复制源代码
|
|||
|
|
COPY . .
|
|||
|
|
|
|||
|
|
# 编译应用
|
|||
|
|
# CGO_ENABLED=0 用于生成静态二进制文件，适合在 alpine 运行
|
|||
|
|
RUN CGO_ENABLED=0 GOOS=linux go build -o server ./cmd/server/main.go
|
|||
|
|
|
|||
|
|
# 第二阶段：运行
|
|||
|
|
FROM alpine:latest
|
|||
|
|
|
|||
|
|
WORKDIR /app
|
|||
|
|
|
|||
|
|
# 从构建阶段复制二进制文件
|
|||
|
|
COPY --from=builder /app/server .
|
|||
|
|
|
|||
|
|
# 复制静态资源文件
|
|||
|
|
COPY --from=builder /app/web ./web
|
|||
|
|
|
|||
|
|
# 暴露端口（默认 2779）
|
|||
|
|
EXPOSE 2779
|
|||
|
|
|
|||
|
|
# 运行应用（通过 PORT 环境变量可覆盖）
|
|||
|
|
ENV PORT=2779
|
|||
|
|
CMD ["./server"]
|