test: add live test #3

	name: Verify Dockerfile

	on: push

	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- uses: actions/setup-node@v4
	with:
	node-version: "20.x"

	- name: Prepare self-signed cert
	run: \|
	# CA key and certificate
	openssl genrsa -out CA.key 2048
	openssl req -new -x509 -nodes -key CA.key -sha256 -days 365 -extensions v3_ca -out CA.crt -subj '/OU=Nordic Developer Academy'
	# Server key
	openssl genrsa -out server.key 2048
	# CSR
	openssl req -out server.csr -key server.key -new -subj '/CN=mqtt.academy.nordicsemi.com'
	# Sign CSR
	openssl x509 -req -in server.csr -CA CA.crt -CAkey CA.key -CAcreateserial -out server.crt -days 365

	- name: Build image
	run: \|
	docker build -t academy-mqtt \
	.

	- name: Run image
	run: docker run -p 1883:1883 -p 8883:8883 -d academy-mqtt

	- name: Install dependencies
	run: npm ci

	- name: Run tests
	run: npx tsx --test test.ts

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