Enable docker cache #226

	name: tests

	on: [push, pull_request]

	env:
	REGISTRY: ghcr.io/commaai
	BUILD: docker buildx build --pull --load --cache-to type=inline --cache-from $REGISTRY/rednose:latest -t rednose -f Dockerfile .
	RUN: docker run rednose bash -c

	jobs:
	test:
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v4
	- name: Build docker image
	run: eval ${{ env.BUILD }}
	- name: Static analysis
	run: ${{ env.RUN }} "git init && git add -A && pre-commit run --all"
	- name: Unit Tests
	run: ${{ env.RUN }} "cd /project/examples; python -m unittest discover"

	docker_push:
	name: docker push
	runs-on: ubuntu-20.04
	if: github.ref == 'refs/heads/master' && github.event_name != 'pull_request' && github.repository == 'commaai/rednose'
	steps:
	- uses: actions/checkout@v4
	- name: Build Docker image
	run: eval ${{ env.BUILD }}
	- name: Push to dockerhub
	run: \|
	docker login ghcr.io -u ${{ github.actor }} -p ${{ secrets.GITHUB_TOKEN }}
	docker tag rednose ${{ env.REGISTRY }}/rednose:latest
	docker push ${{ env.REGISTRY }}/rednose:latest

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