Remove broken Docker config and retire Docker docs

.vscode/cspell.json

@@ -11,6 +11,7 @@
   "words": [
     "afdocs",
     "anchorize",
+    "autoloader",
     "basenames",
     "baseof",
     "chalin",
@@ -39,11 +40,13 @@
     "htmltest",
     "hugo",
     "isset",
+    "katex",
     "lastmod",
     "llms",
     "lockfiles",
     "magick",
     "markdownify",
+    "markmap",
     "mentees",
     "navbars",
     "nguyen",

docsy.dev/.lycheecache

@@ -539,6 +539,7 @@ https://github.com/google/docsy/pull/2722,200,1787153684
 https://github.com/google/docsy/pull/2724,200,1787076569
 https://github.com/google/docsy/pull/2726,200,1787137876
 https://github.com/google/docsy/pull/2731,200,1787331617
+https://github.com/google/docsy/pull/2748,200,1787848215
 https://github.com/google/docsy/pull/941,200,1782498225
 https://github.com/google/docsy/pulls,200,1782563369
 https://github.com/google/docsy/releases,200,1782563368

docsy.dev/content/en/docs/contributing.md

@@ -131,49 +131,6 @@ work:
 1. Continue with the usual GitHub workflow to edit files, commit them, push the
    changes up to your fork, and create a pull request.
 
-#### Preview your changes using a Docker container
-
-Docsy comes with `Dockerfile` and `docker-compose` files to run the server
-locally with Docker, without installing any additional dependencies.
-
-- Using [Docker]:
-  1.  Build the Docker container:
-
-      ```bash
-      docker build -t docsy/user-guide .
-      ```
-
-  1.  Run the container, mounting the repository as a shared volume:
-
-      ```bash
-      docker run -it --user=$(id -u):$(id -g) -p 1313:1313 \
-        -v $(pwd):/app/docsy -v /app/docsy/docsy.dev/node_modules \
-        docsy/user-guide
-      ```
-
-- Using [Docker Compose][docker-compose]:
-  1.  Build the container:
-
-      ```bash
-      docker-compose build
-      ```
-
-  1.  Run the container:
-
-      ```bash
-      DOCSY_USER=$(id -u):$(id -g) docker-compose up
-      ```
-
-Open <http://localhost:1313> in your web browser to load the docsy user guide.
-In most cases, docsy will automatically reload the site to reflect any changes
-to the documentation or the code. Changes to some parts of the docsy code may
-require manually reloading the page or re-starting the container.
-
-Press **Ctrl + C** to stop the container.
-
-[docker]: https://docs.docker.com/get-docker/
-[docker-compose]: https://docs.docker.com/compose/install/
-
 ### User guide formatting
 
 We use [Prettier](https://prettier.io) to format the markdown source of the User

docsy.dev/content/en/docs/get-started/_index.md

@@ -4,7 +4,7 @@ description: >-
   Learn how to get started with Docsy, including the available options for
   installing and using the Docsy theme.
 date: 2018-07-30
-aliases: [getting-started]
+aliases: [getting-started, get-started/quickstart-docker]
 weight: 2
 ---
 
@@ -16,8 +16,7 @@ our example site, though we also provide instructions for adding the Docsy theme
 manually to new or existing sites.
 
 If you want to build and test your site locally you also need to be able to run
-Hugo itself, either by installing it and any other required dependencies, or by
-using our provided Docker container.
+Hugo itself, by installing it and any other required dependencies.
 
 This page describes Docsy's installation options and helps you choose the
 appropriate setup guide to get started.

docsy.dev/content/en/project/about/changelog.md

@@ -3,7 +3,7 @@ title: Changelog
 description: Docsy repository changelog
 aliases: [../changelog]
 # prettier-ignore
-cSpell:ignore: deining FOUC gitmodules gtag katex lookandfeel mhchem navs notoc tabpane onedark shurup
+cSpell:ignore: deining FOUC gitmodules gtag lookandfeel mhchem navs notoc tabpane onedark shurup
 ---
 
 We document **breaking changes** and release **highlights** in this page, with
@@ -179,6 +179,8 @@ full list of changes, see the [0.17.0][] release page or the [git history since
   ([#2614][]).
 - Silenced Sass deprecation warnings in site builds, project style files
   included; see the [release report][0.17.0-blog-dart-sass] ([#2731][]).
+- Dropped broken `Dockerfile` and `docker-compose.yaml` files and retired Docker
+  quickstart page ([#2748][]).
 
 **For maintainers**:
 
@@ -214,6 +216,7 @@ full list of changes, see the [0.17.0][] release page or the [git history since
 [#2724]: https://github.com/google/docsy/pull/2724
 [#2726]: https://github.com/google/docsy/pull/2726
 [#2731]: https://github.com/google/docsy/pull/2731
+[#2748]: https://github.com/google/docsy/pull/2748
 [0.17.0 release report]: /blog/2026/0.17.0/
 [0.17.0-blog-dart-sass]: /blog/2026/0.17.0/#dart-sass
 [0.17.0-blog-install]: /blog/2026/0.17.0/#install-command

docsy.dev/tests/md-output/goldens/docs/get-started/index.md

@@ -16,8 +16,7 @@ our example site, though we also provide instructions for adding the Docsy theme
 manually to new or existing sites.
 
 If you want to build and test your site locally you also need to be able to run
-Hugo itself, either by installing it and any other required dependencies, or by
-using our provided Docker container.
+Hugo itself, by installing it and any other required dependencies.
 
 This page describes Docsy's installation options and helps you choose the
 appropriate setup guide to get started.
@@ -71,6 +70,5 @@ Section pages:
 
 - [Use Docsy as a Hugo Module](/docs/get-started/docsy-as-module/): Learn how to get started with Docsy by using the theme as a Hugo Module.
 - [Other setup options](/docs/get-started/other-options/): Install Docsy as a Git submodule, a clone, or the @docsy/theme npm package, for sites not using Hugo modules.
-- [Deploy Docsy inside a Docker container](/docs/get-started/quickstart-docker/): Instructions on how to set up and run a local Docsy site with Docker.
 - [Basic site configuration](/docs/get-started/basic-configuration/): Basic configuration for new Docsy sites.
 - [Troubleshooting and known issues](/docs/get-started/troubleshooting/): Troubleshooting and known issues when installing and using Docsy.