Update doc.go #1484

	name: build

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

	permissions:
	contents: read

	jobs:
	build-flagger:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- name: Restore Go cache
	uses: actions/[email protected]
	with:
	path: ~/go/pkg/mod
	key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
	restore-keys: \|
	${{ runner.os }}-go-
	- name: Setup Go
	uses: actions/setup-go@v4
	with:
	go-version: 1.19.x
	- name: Download modules
	run: \|
	go mod download
	go install golang.org/x/tools/cmd/goimports
	- name: Run linters
	run: make test-fmt test-codegen
	- name: Verify CRDs
	run: make verify-crd
	- name: Run tests
	run: go test -race -coverprofile=coverage.txt -covermode=atomic $(go list ./pkg/...)
	- name: Check if working tree is dirty
	run: \|
	if [[ $(git diff --stat) != '' ]]; then
	git --no-pager diff
	echo 'run make test and commit changes'
	exit 1
	fi
	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v3
	with:
	file: ./coverage.txt
	- name: Build container image
	run: docker build -t test/flagger:latest .

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