Add example of `uv sync --frozen` #10

	name: CI

	on:
	push:
	branches: [main]
	pull_request:
	workflow_dispatch:

	concurrency:
	group:
	${{ github.workflow }}-${{ github.ref_name }}-${{
	github.event.pull_request.number \|\| github.sha }}
	cancel-in-progress: true

	jobs:
	build:
	name: "build image"
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3

	- name: Build and export
	uses: docker/build-push-action@v6
	with:
	tags: uv-docker-example:latest
	cache-from: type=gha,scope=uv-docker-example
	cache-to: type=gha,mode=min,scope=uv-docker-example
	outputs: type=docker,dest=/tmp/uv-docker-example.tar

	- name: Upload artifact
	uses: actions/upload-artifact@v4
	with:
	name: uv-docker-example
	path: /tmp/uv-docker-example.tar

	test:
	name: "test image"
	runs-on: ubuntu-latest
	needs: build
	steps:
	- uses: actions/checkout@v4

	- name: Download artifact
	uses: actions/download-artifact@v4
	with:
	name: uv-docker-example
	path: /tmp

	- name: Load image
	run: \|
	docker load --input /tmp/uv-docker-example.tar
	docker image ls -a

	- name: Test image
	run: ./run.sh hello

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