58 lines
1.1 KiB
Docker
58 lines
1.1 KiB
Docker
# 多阶段构建
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FROM golang:1.21-alpine AS builder
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# 设置工作目录
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WORKDIR /app
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# 安装必要的包
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RUN apk add --no-cache git ca-certificates tzdata
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# 复制 go mod 文件
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COPY go.mod go.sum ./
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# 下载依赖
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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
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RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-w -s" -o main cmd/main.go
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# 最终镜像
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FROM alpine:latest
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# 安装必要的包
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RUN apk --no-cache add ca-certificates tzdata
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# 设置时区
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RUN ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
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RUN echo 'Asia/Shanghai' >/etc/timezone
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# 创建非root用户
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RUN addgroup -g 1001 -S appgroup && \
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adduser -u 1001 -S appuser -G appgroup
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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 /app/main .
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COPY --from=builder /app/config ./config
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# 更改文件所有者
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RUN chown -R appuser:appgroup /app
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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 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 wget --no-verbose --tries=1 --spider http://localhost:8080/health || exit 1
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# 启动应用
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CMD ["./main"]
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