yaml indentless arrays

How to use indentless_arrays on yaml files to avoid this:

- env:
    - name: RESERVE_PRICE_CACHE_ENABLED
      value: 'false'
    - name: SPP_GO_HTTP_PORT
      value: '8080'
      - name: RESERVE_PRICE_CACHE_ENABLED
        value: 'false'
      - name: SPP_GO_HTTP_PORT
        value: '8080'

Install yamlfmt

Terminal window
go install github.com/google/yamlfmt/cmd/yamlfmt@latest

File: ~/.config/yamlfmt/.yamlfmt.yaml

formatter:
  type: basic
  indentless_arrays: true

conform.nvim:

{
  'stevearc/conform.nvim',
  event = { 'BufWritePre' },
  cmd = { 'ConformInfo' },
  keys = {
    {
      '<leader>f',
      function()
        require('conform').format { async = true, lsp_format = 'fallback' }
      end,
      mode = '',
      desc = '[F]ormat buffer',
    },
  },
  opts = {
    formatters_by_ft = {
      -- others
      yaml = { 'yamlfmt' },
    },
    default_format_opts = {
      lsp_format = 'fallback',
    },
    notify_on_error = true,
    format_on_save = {
      lsp_format = 'fallback',
      timeout_ms = 500,
    },
  },
}