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Docker: Fix links in README.md

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Signed-off-by: Michael Mayer <michael@photoprism.app>
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Michael Mayer 2023-11-01 09:08:54 +01:00
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docker/README.md
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@ -10,12 +10,12 @@ See our [Getting Started FAQ](https://docs.photoprism.app/getting-started/faq/#h
**(1) Docker uses standard features of the Linux kernel.** Containers are nothing new; [Solaris Zones](https://en.wikipedia.org/wiki/Solaris_Containers) have been around for about 15 years, first released publicly in 2004. The chroot system call was introduced during [development of Version 7 Unix in 1979](https://en.wikipedia.org/wiki/Chroot). It is used ever since for hosting applications exposed to the public Internet.
**(2) Docker saves time through simplified deployment and testing.** Modern Linux containers are an incremental enhancement. A main advantage of Docker is that application images can be easily made available to users via Internet. It provides a common standard across most operating systems and devices, which saves our team a lot of time that we can then spend [more effectively](../developer-guide/code-quality.md#effectiveness-efficiency), for example, providing support and developing one of the many features that users are waiting for.
**(2) Docker saves time through simplified deployment and testing.** Modern Linux containers are an incremental enhancement. A main advantage of Docker is that application images can be easily made available to users via Internet. It provides a common standard across most operating systems and devices, which saves our team a lot of time that we can then spend [more effectively](https://docs.photoprism.app/developer-guide/code-quality/#effectiveness-efficiency), for example, providing support and developing one of the many features that users are waiting for.
**(3) Versioned Dockerfiles can be included in the source code repository.** Human-readable and [versioned Dockerfiles as part of our public source code](https://github.com/photoprism/photoprism/tree/develop/docker) also help avoid "works for me" moments and other unwelcome surprises by enabling teams to have the exact same environment everywhere in [development](https://github.com/photoprism/photoprism/blob/develop/docker/develop/lunar/Dockerfile), staging, and [production](https://github.com/photoprism/photoprism/blob/develop/docker/photoprism/lunar/Dockerfile).
**(3) Versioned Dockerfiles can be included in the source code repository.** Human-readable and [versioned Dockerfiles as part of our public source code](https://github.com/photoprism/photoprism/tree/develop/docker) also help avoid "works for me" moments and other unwelcome surprises by enabling teams to have the exact same environment everywhere in [development](https://github.com/photoprism/photoprism/blob/develop/docker/develop/), staging, and [production](https://github.com/photoprism/photoprism/blob/develop/docker/photoprism/).
**(4) Running applications in containers is more secure.** Last but not least, virtually all file format parsers have vulnerabilities that just haven't been discovered yet. This is a known risk that can affect you even if your computer is not directly connected to the Internet. Running apps in a container with limited host access is an easy way to improve security without compromising performance and usability.
## Why not use virtual machines instead? ##
A virtual machine with a dedicated operating system environment provides even more security, but usually has side effects such as lower performance and more difficult handling. Using a VM, however, doesn't prevent you from running containerized apps to get the best of both worlds. This is essentially what happens when you install Docker on [virtual cloud servers](cloud/digitalocean.md) and operating systems other than Linux.
A virtual machine with a dedicated operating system environment provides even more security, but usually has side effects such as lower performance and more difficult handling. Using a VM, however, doesn't prevent you from running containerized apps to get the best of both worlds. This is essentially what happens when you install Docker on [virtual cloud servers](https://docs.photoprism.app/getting-started/cloud/digitalocean/) and operating systems other than Linux.