nvim-config/lua/configs/conform.lua

local options = {
  formatters_by_ft = {
    bash = { "shfmt" },
    css = { "prettier" },
    json = { "prettier" },
    html = { "prettier" },
    lua = { "stylua" },
    markdown = { "prettier" },
    sh = { "shfmt" },
    yaml = { "yamlfmt" },
  },

  formatters = {
    yamlfmt = {
      prepend_args = {
        "-formatter",
        "include_document_start=true,retain_line_breaks=true,retain_line_breaks_single=true,max_line_length=120,scan_folded_as_literal=true",
      },
    },
  },

  format_on_save = {
    timeout_ms = 500,
    lsp_fallback = true,
  },
}

require("conform").setup(options)