ci: add GitHub action #1

	name: CI

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Build the stack
	run: docker compose up -d
	- name: Check the deployed service health
	uses: jtalk/url-health-check-action@v2
	with:
	# Check the following URLs one by one sequentially
	url: http://127.0.0.1:8088/metrics
	# Fail this action after this many failed attempts
	max-attempts: 5
	# Delay between retries
	retry-delay: 5s
	# Retry all errors, including 404. This option might trigger curl upgrade.
	retry-all: true
	- name: Run tests
	run: go test .

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