update dev container #15

	name: 'go'
	on: # rebuild any PRs and main branch changes
	pull_request:
	push:
	branches:
	- main

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:

	- name: Checkout (GitHub)
	uses: actions/checkout@v4

	- name: Login to GitHub Container Registry
	uses: docker/login-action@v3
	with:
	registry: ghcr.io
	username: ${{ github.repository_owner }}
	password: ${{ secrets.GITHUB_TOKEN }}

	- name: Build devcontainer and run tests
	uses: devcontainers/ci@v0.3
	with:
	imageName: ghcr.io/${{ github.repository_owner }}/ocfl-go-devcontainer
	cacheFrom: ghcr.io/${{ github.repository_owner }}/ocfl-go-devcontainer
	eventFilterForPush: pull_request
	runCmd: \|

	# check go.mod is clean
	go mod tidy
	if ! git diff --exit-code --quiet; then
	echo "go mod tidy was not updated first"
	exit 1
	fi

	go test ./... -count=5 -race

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