alpine Docker Image Overview

library/alpine

这是一款基于轻量级Alpine Linux构建的最小化Docker镜像，它不仅包含完整的软件包索引以确保用户能便捷获取所需依赖，而且体积仅为5MB，能极大节省存储空间与网络传输资源，非常适合对资源占用有严格要求的容器化应用场景，为快速部署和高效运行提供了轻量可靠的基础环境。

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Quick reference

Maintained by:
Natanael Copa (an Alpine Linux maintainer)
Where to get help:
the Docker Community Slack, Server Fault, Unix & Linux, or Stack Overflow

Supported tags and respective `Dockerfile` links

20251224, edge
3.23.2, 3.23, 3, latest
3.22.2, 3.22
3.21.5, 3.21
3.20.8, 3.20

Quick reference (cont.)

Where to file issues:
[***]
Supported architectures: (more info)
amd64, arm32v6, arm32v7, arm64v8, i386, ppc64le, riscv64, s390x
Published image artifact details:
repo-info repo's repos/alpine/ directory (history)
(image metadata, transfer size, etc)
Image updates:
official-images repo's library/alpine label
official-images repo's library/alpine file (history)
Source of this description:
docs repo's alpine/ directory (history)

What is Alpine Linux?

Alpine Linux is a Linux distribution built around musl libc and BusyBox. The image is only 5 MB in size and has access to a package repository that is much more complete than other BusyBox based images. This makes Alpine Linux a great image base for utilities and even production applications. Read more about Alpine Linux here and you can see how their mantra fits in right at home with Docker images.

!logo

How to use this image

Usage

Use like you would any other base image:

dockerfile
FROM alpine:3.14
RUN apk add --no-cache mysql-client
ENTRYPOINT ["mysql"]

This example has a virtual image size of only 36.8MB. Compare that to our good friend Ubuntu:

dockerfile
FROM ubuntu:20.04
RUN apt-get update \
    && apt-get install -y --no-install-recommends mysql-client \
    && rm -rf /var/lib/apt/lists/*
ENTRYPOINT ["mysql"]

This yields us a virtual image size of about 145MB image.

License

View license information for the software contained in this image.

As with all Docker images, these likely also contain other software which may be under other licenses (such as Bash, etc from the base distribution, along with any direct or indirect dependencies of the primary software being contained).

Some additional license information which was able to be auto-detected might be found in the repo-info repository's alpine/ directory.

As for any pre-built image usage, it is the image user's responsibility to ensure that any use of this image complies with any relevant licenses for all software contained within.