Add support for Apple container for building and running website locally

Makefile

@@ -0,0 +1,51 @@
+# Makefile for managing the Swift website with container
+
+# Define the container runtime. Default to `container`.
+# Can be overridden from the command line, e.g., `make CONTAINER=docker website`
+CONTAINER ?= container
+
+.PHONY: help build run-build website stop clean
+
+help:
+	@echo "Usage:"
+	@echo "  make build      Build the swift-website-builder container image"
+	@echo "  make run-build  Build the Jekyll website"
+	@echo "  make website    Run the Jekyll development server"
+	@echo "  make stop       Stop the running website container"
+	@echo "  make clean      Stop the container and remove the build output"
+	@echo ""
+	@echo "To use a different container runtime (e.g. podman), run:"
+	@echo "  make CONTAINER=podman build"
+
+# Build the primary container image
+build:
+	$(CONTAINER) build --tag swift-website-builder --file Dockerfile .
+
+# Run a one-off Jekyll build
+run-build:
+	@mkdir -p ./.output
+	$(CONTAINER) run --rm \
+	  -v "$(CURDIR)":/srv/jekyll \
+	  -v "$(CURDIR)/.output":/output \
+	  swift-website-builder \
+	  /bin/bash -cl "bundle check && bundle exec jekyll build --source /srv/jekyll --destination /output"
+
+# Run the development web server
+website:
+	@mkdir -p ./.output
+	$(CONTAINER) run -d --rm --name swift-website \
+	  -p 4000:4000 \
+	  -v "$(CURDIR)":/srv/jekyll \
+	  -v "$(CURDIR)/.output":/output \
+	  swift-website-builder \
+	  /bin/bash -cl "bundle check && bundle exec jekyll serve --source /srv/jekyll --destination /output --host 0.0.0.0 --watch"
+	@echo "Website is running at http://localhost:4000"
+
+# Stop the development server
+stop:
+	$(CONTAINER) stop swift-website
+
+# Clean up build artifacts
+clean: stop
+	@echo "Removing .output directory..."
+	@rm -rf ./.output

README.md

@@ -48,6 +48,26 @@ npm install
 npm run prettify
 ```
 
+### Running with Apple Container
+
+On macOS 26 and later, you can use the [Apple Container](https://github.com/apple/container) tool to host and run the website.
+
+First install and run `container`:
+
+```shell
+brew install container
+brew services start container
+```
+
+Then build and run the site:
+
+```shell
+make build
+make website
+```
+
+The website will be available at `http://localhost:4000`
+
 ### Running in Docker
 
 First build the site with Docker Compose:

_config.yml

@@ -2,7 +2,7 @@ url: https://swift.org
 title: Swift.org
 description: "Swift is a general-purpose programming language built using a modern approach to safety, performance, and software design patterns."
 timezone: America/Lower_Princes
-exclude: ["README.md", "config.ru", "Gemfile", "Gemfile.lock", "Procfile", "vendor", "get-started/storybook"]
+exclude: ["README.md", "config.ru", "Gemfile", "Gemfile.lock", "Procfile", "vendor", "get-started/storybook", "Makefile"]
 safe: false
 future: true