nvim/lua/user/dap.lua

local dap_status_ok, dap = pcall(require, "dap")
if not dap_status_ok then
  return
end

local dap_ui_status_ok, dapui = pcall(require, "dapui")
if not dap_ui_status_ok then
  return
end

local dap_install_status_ok, dap_install = pcall(require, "dap-install")
if not dap_install_status_ok then
  return
end

dap_install.setup {}

dap_install.config("python", {})
-- add other configs here

dapui.setup {
  sidebar = {
    elements = {
      {
        id = "scopes",
        size = 0.25, -- Can be float or integer > 1
      },
      { id = "breakpoints", size = 0.25 },
    },
    size = 40,
    position = "right", -- Can be "left", "right", "top", "bottom"
  },
  tray = {
    elements = {},
  },
}

vim.fn.sign_define("DapBreakpoint", { text = "●", texthl = "DiagnosticSignError", linehl = "", numhl = "" })

dap.listeners.after.event_initialized["dapui_config"] = function()
  dapui.open()
end

dap.listeners.before.event_terminated["dapui_config"] = function()
  dapui.close()
end

dap.listeners.before.event_exited["dapui_config"] = function()
  dapui.close()
end

local codelldb_path = "/usr/lib/codelldb/adapter/codelldb"
local liblldb_path = "/usr/lib/codelldb/adapter/libcodelldb.so"

dap.adapters.codelldb = {
    type = 'server',
    host = '127.0.0.1',
    port = "13000",
    executable = {
        command = codelldb_path,
        args = {"--liblldb", liblldb_path, "--port", "13000"},
    }
}