71 lines
1.8 KiB
Docker
71 lines
1.8 KiB
Docker
# Photography Portfolio Backend Dockerfile
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# 多阶段构建，优化镜像大小和安全性
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# Stage 1: 构建阶段
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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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# 配置镜像源加速
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RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
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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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# 配置 Go 模块代理
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ENV GOPROXY=https://goproxy.cn,direct
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ENV GOSUMDB=sum.golang.google.cn
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# 复制 go mod 文件并下载依赖
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COPY go.mod go.sum ./
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RUN go mod download
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# 复制源代码
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COPY . .
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# 构建应用程序
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RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
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-ldflags='-w -s -extldflags "-static"' \
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-a -installsuffix cgo \
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-o photography-api \
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./cmd/api/main.go
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# 构建迁移工具
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RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
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-ldflags='-w -s -extldflags "-static"' \
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-a -installsuffix cgo \
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-o migrate \
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./cmd/migrate/main.go
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# Stage 2: 运行阶段
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FROM scratch
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# 从builder阶段复制时区数据和CA证书
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COPY --from=builder /usr/share/zoneinfo /usr/share/zoneinfo
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COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
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# 复制编译好的二进制文件
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COPY --from=builder /app/photography-api /photography-api
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COPY --from=builder /app/migrate /migrate
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# 复制配置文件和脚本
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COPY --from=builder /app/configs /configs
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COPY --from=builder /app/scripts /scripts
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COPY --from=builder /app/pkg/migration/migrations /pkg/migration/migrations
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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 (在scratch镜像中需要手动创建)
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USER 65534:65534
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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 ["/photography-api", "--health-check"]
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# 启动应用
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ENTRYPOINT ["/photography-api"] |