Document how to enable ingest old data (#87) #114

	name: docker-integration-test
	on: [pull_request, push]
	jobs:
	docker-integration-test:
	runs-on: ubuntu-latest
	steps:
	-
	name: Checkout code
	uses: actions/checkout@v4
	-
	name: Set up Go
	uses: actions/setup-go@v5
	-
	name: Go build
	run: CGO_ENABLED=0 GOOS=linux go build -o grid-intensity .
	-
	name: Set up QEMU
	uses: docker/setup-qemu-action@v3
	-
	name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3
	-
	name: Docker build
	uses: docker/build-push-action@v5
	with:
	context: .
	load: true
	tags: thegreenwebfoundation/grid-intensity:integration-test
	-
	name: Docker run
	run: docker run -d -e GRID_INTENSITY_LOCATION=GBR -p 8000:8000 thegreenwebfoundation/grid-intensity:integration-test exporter
	-
	name: Run integration test
	run: go test -v -tags=dockerrequired ./integration/test/exporter

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