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