nvim/lua/custom/configs/lspconfig.lua

local on_attach = require("plugins.configs.lspconfig").on_attach
local capabilities = require("plugins.configs.lspconfig").capabilities

local lspconfig = require "lspconfig"
local util = require "lspconfig/util"

lspconfig.gopls.setup{
  on_attach = on_attach,
  capabilities = capabilities,
  cmd = {"gopls"},
  filetypes = {"go", "gomod", "gowork", "gotmpl"},
  root_dir = util.root_pattern("go.mod", "go.work", ".git"),
  settings = {
    gopls = {
      completeUnimported = true,
      usePlaceholders = true,
      staticcheck = true,
      gofumpt = true,
      analyses = {
        unusedparams = true,
      }
    }
  }
}

return lspconfig