dots/nvim/lua/user/lsp/mason.lua

local servers = {
  'sumneko_lua',
  'pyright',
  'tsserver',
}

require('mason').setup()
require('mason-lspconfig').setup({
  ensure_installed = servers,
  automatic_installation = true,
})
require('mason-update-all').setup()

vim.api.nvim_create_autocmd('User', {
    pattern = 'MasonUpdateAllComplete',
    callback = function()
        print('mason-update-all has finished')
    end,
})

local lsp_status_ok, lspconfig = pcall(require, 'lspconfig')
if not lsp_status_ok then
  return
end

local opts = {}

for _, server in pairs(servers) do
  opts = {
    on_attach = require('user.lsp.handlers').on_attach,
    capabilities = require('user.lsp.handlers').capabilities,
  }

  server = vim.split(server, '@')[1]

  local require_ok, conf_opts = pcall(require, 'user.lsp.settings.' .. server)
  if require_ok then
    opts = vim.tbl_deep_extend("force", conf_opts, opts)
  end

  lspconfig[server].setup(opts)
end