77 lines
1.8 KiB
Docker
77 lines
1.8 KiB
Docker
# ================================
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# 阶段 1: 构建阶段
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# ================================
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FROM golang:1.25.6-alpine AS builder
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# 设置工作目录
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WORKDIR /build
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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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# 复制 go.mod 和 go.sum（利用 Docker 缓存）
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COPY go.mod go.sum ./
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# 使用国内 Go 代理加速依赖下载
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ENV GOPROXY=https://goproxy.cn,direct
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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 API 服务（静态链接）
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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 /build/api \
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./cmd/api
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# 下载 golang-migrate 工具
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RUN go install -tags 'postgres' github.com/golang-migrate/migrate/v4/cmd/migrate@latest
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# ================================
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# 阶段 2: 运行阶段
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# ================================
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FROM alpine:3.19
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# 使用阿里云镜像源加速
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RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
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# 安装运行时依赖
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RUN apk add --no-cache ca-certificates tzdata bash
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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
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RUN addgroup -g 1000 appuser && \
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adduser -D -u 1000 -G appuser appuser
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# 设置工作目录
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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 /build/api /app/api
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COPY --from=builder /go/bin/migrate /usr/local/bin/migrate
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# 复制配置文件和迁移文件
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COPY configs /app/configs
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COPY migrations /app/migrations
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# 复制启动脚本
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COPY docker/entrypoint-api.sh /app/entrypoint.sh
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RUN chmod +x /app/entrypoint.sh
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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 8088
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# 健康检查（使用 Alpine 自带的 wget）
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HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \
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CMD wget --no-verbose --tries=1 --spider http://localhost:8088/health || exit 1
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# 启动命令
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ENTRYPOINT ["/app/entrypoint.sh"]
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