netlify.toml

# example netlify.toml
[build]
  command = "yarn run build"
  functions = "netlify/functions"
  publish = "dist"

[[plugins]]
  package = "@netlify/plugin-a11y"
  [plugins.inputs]
    # Check all HTML files in this project (the default behavior)
    checkPaths = ['/']
    # Do not fail the build if a11y issues are found
    failWithIssues = false
    # Ignore all HTML files in `/admin`
    ignoreDirectories = ['/admin']
    # Ignore any accessibility issues associated with an element matching this selector
    ignoreElements = '.jumbotron > h2'
    # Ignore any accessibility issues associated with this rule code or type
    ignoreGuidelines = ['WCAG2AA.Principle1.Guideline1_4.1_4_6.G17']
    # Perform a11y check against WCAG 2.1 AAA
    wcagLevel = 'WCAG2AAA'

  ## Uncomment to use this redirect for Single Page Applications like create-react-app.
  ## Not needed for static site generators.
  #[[redirects]]
  #  from = "/*"
  #  to = "/index.html"
  #  status = 200

  ## (optional) Settings for Netlify Dev
  ## https://github.com/netlify/cli/blob/main/docs/netlify-dev.md#project-detection
  #[dev]
  #  command = "yarn start" # Command to start your dev server
  #  port = 3000 # Port that the dev server will be listening on
  #  publish = "dist" # Folder with the static content for _redirect file

  ## more info on configuring this file: https://www.netlify.com/docs/netlify-toml-reference/