60 lines
1.4 KiB
Docker
60 lines
1.4 KiB
Docker
# ============================================
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# Multi-stage Dockerfile for gotest
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# Stage 1: Build (Go 1.25)
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# Stage 2: Runtime (minimal Alpine)
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# ============================================
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# ---- Build Stage ----
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FROM golang:1.25-alpine AS builder
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# 安装必要的构建工具
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RUN apk add --no-cache git ca-certificates tzdata
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WORKDIR /build
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# 利用 Docker 层缓存：先拷贝依赖文件，再下载依赖
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COPY go.mod go.sum ./
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RUN go mod download
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# 拷贝源代码
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COPY . .
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# 构建：CGO_ENABLED=0 纯静态二进制，适合 scratch/alpine
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# 前端模板通过 //go:embed 已嵌入二进制
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ENV CGO_ENABLED=0 GOOS=linux GOARCH=amd64
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RUN go build -ldflags="-s -w" -o gotest .
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# ---- Runtime Stage ----
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FROM alpine:3.20
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# 安装最小运行时依赖
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RUN apk add --no-cache ca-certificates tzdata
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# 设置时区
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ENV TZ=Asia/Shanghai
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# 创建非 root 用户运行
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RUN addgroup -S app && adduser -S app -G app
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# 创建数据和上传目录
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RUN mkdir -p /app/data /app/uploads && chown -R app:app /app
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WORKDIR /app
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# 从构建阶段拷贝二进制和配置
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COPY --from=builder /build/gotest .
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COPY --from=builder /build/config.yaml .
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# 切换非 root 用户
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USER app
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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=5s --start-period=10s --retries=3 \
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CMD wget -q -O- http://localhost:8080/api/health || exit 1
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# 启动
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ENTRYPOINT ["./gotest"]
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