netlify.toml

# example netlify.toml
[build]
  command = "env && hugo"
  functions = "functions"
  publish = "docs"

[build.environment]
  NETLIFY_BUILD_DEBUG = "true"
  HUGO_VERSION = "0.80.0"
  # NODE_VERSION = "8.9.4"
  # BUILD_TELEMETRY_DISABLED = "true"

[[plugins]]
  package = "netlify-plugin-cache"
  [plugins.inputs]
  # Optional (but highly recommended). Defaults to [".cache"].
  paths = ["docs", "junk-files"]
# [[plugins]]
  # runs QA Wolf tests against the deployed URL
  # package = "netlify-plugin-qawolf"  

  ## 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/master/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/