Add docker compose definition to run the relayer as a service #100

	name: "PR"

	on:
	pull_request:

	jobs:
	build-and-test:
	runs-on: ubuntu-latest
	timeout-minutes: 30 # `yarn test` takes longer time
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Use Node.js 20
	uses: actions/setup-node@v3
	with:
	node-version: 20
	- name: Install yarn
	run: npm install --global yarn
	- name: Install dependencies
	shell: bash
	run: yarn --prefer-offline
	- name: Build
	shell: bash
	run: yarn build
	- run: yarn format
	- name: Check format
	run: \|
	if [ -z "$(git status --untracked-files=no --porcelain)" ]; then
	echo "All files formatted"
	else
	echo "Running format is required"
	exit 1
	fi
	- name: Validate configuration
	run: yarn validate-config
	- name: Test
	shell: bash
	run: yarn test

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