return {
    init = function()
        -- setup nvim-lspconfig
        -- Mappings.
        -- See `:help vim.diagnostic.*` for documentation on any of the below functions
        local opts = { noremap = true, silent = true }
        vim.keymap.set('n', '<space>e', vim.diagnostic.open_float, opts)
        vim.keymap.set('n', '[d', vim.diagnostic.goto_prev, opts)
        vim.keymap.set('n', ']d', vim.diagnostic.goto_next, opts)
        vim.keymap.set('n', '<space>q', vim.diagnostic.setloclist, opts)

        -- Use an on_attach function to only map the following keys
        -- after the language server attaches to the current buffer
        local on_attach = function(_, bufnr)
            -- Enable completion triggered by <c-x><c-o>
            vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')

            -- Mappings.
            -- See `:help vim.lsp.*` for documentation on any of the below functions
            local bufopts = { noremap = true, silent = true, buffer = bufnr }
            vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, bufopts)
            vim.keymap.set('n', 'gd', vim.lsp.buf.definition, bufopts)
            vim.keymap.set('n', '<leader>k', vim.lsp.buf.hover, bufopts)
            vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, bufopts)
            vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, bufopts)
            vim.keymap.set('n', '<leader>wa', vim.lsp.buf.add_workspace_folder, bufopts)
            vim.keymap.set('n', '<leader>wr', vim.lsp.buf.remove_workspace_folder, bufopts)
            vim.keymap.set('n', '<leader>wl', function()
                print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
            end, bufopts)
            vim.keymap.set('n', '<space>D', vim.lsp.buf.type_definition, bufopts)
            vim.keymap.set('n', '<leader>rn', vim.lsp.buf.rename, bufopts)
            vim.keymap.set('n', '<space>ca', vim.lsp.buf.code_action, bufopts)
            vim.keymap.set('n', 'gr', vim.lsp.buf.references, bufopts)
            vim.keymap.set('n', '<leader>f', function() vim.lsp.buf.format { async = true } end, bufopts)
        end

        local capabilities = require('cmp_nvim_lsp').default_capabilities()


        -----------------
        -- attaching all lsp servers, order matters (for example in autocompletion)
        -----------------
        --require 'lspconfig'.pylsp.setup {
            --on_attach = on_attach,
            --capabilities = capabilities
            --, settings = {
            --pylsp = {
                --plugins = {
                    --rope_autoimport = { enabled = true, memory = true },
                    --rope_completion = { enabled = false, eager = false },
                    --rope = {
                        --ropeFolder = nil
                    --},
                    --jedi_completion = {
                        --enabled = false,
                        --include_params = true,
                        --include_class_objects = true,
                        --include_function_objects = true,
                        --fuzzy = true,
                        --eager = true,

                    --},
                    --jedi_definition = {
                        --enabled = false,
                    --},
                    --mccabe = {
                        --enabled = false
                    --},
                    --jedi_hover = { enabled = false },
                    --jedi_references = { enabled = false },
                    --jedi_signature_help = { enabled = false },
                    --jedi_symbols = { enabled = false },
                    --ruff = { enabled = false },
                    --flake8 = {
                        --enabled = false -- ruff_lsp
                    --},
                    --pylint = {
                        --enabled = true,
                        --args = {
                            ---- disable missing module docstring info
                            ---- and temporarilt false cannot import errors
                            ---- too few public methods
                            ---- missing functon or method doc
                            --'--disable=C0114,E0401,R0903,C0116'
                        --}
                    --},
                    --yapf = {
                        --enabled = false
                    --},
                    --autopep8 = {
                        --enabled = false
                    --},
                    --pyflakes = { enabled = false },    -- ruff_lsp
                    --pycodestyle = { enabled = false }, -- ruff_lsp
                    --pydocstyle = {
                        --enabled = false,
                        --ignore = {
                            --'D100', -- disable missing module docstring info
                            --'D101', -- disable missing public class doc
                            --'D102', -- disable missing class method doc
                            --'D103', -- disable missing function doc
                            --'D203', -- disable one line before class docstring required
                            --'D213', -- disable multiline docstring summary
                            ---- should start at the second line
                        --}
                    --},
                --}
            --}
        --}
        --}
        require 'lspconfig'.ruff.setup {
            on_attach = on_attach,
            capabilities = capabilities,
        }
        require 'lspconfig'.jedi_language_server.setup {
            on_attach = on_attach,
            capabilities = capabilities,
        }
        require 'lspconfig'.pyright.setup {
            on_attach = on_attach,
            capabilities = capabilities,
        }
        require 'lspconfig'.bashls.setup {
            on_attach = on_attach,
            capabilities = capabilities,
        }
        require 'lspconfig'.dockerls.setup {
            on_attach = on_attach,
            capabilities = capabilities,
        }
        require 'lspconfig'.eslint.setup {
            on_attach = on_attach,
            capabilities = capabilities,
        }
        require 'lspconfig'.cssls.setup {
            on_attach = on_attach,
            capabilities = capabilities,
        }

        require 'lspconfig'.cssmodules_ls.setup {
            on_attach = on_attach,
            capabilities = capabilities,
        }

        require 'lspconfig'.jsonls.setup {
            on_attach = on_attach,
            capabilities = capabilities,
        }

        require 'lspconfig'.lua_ls.setup {
            on_attach = on_attach,
            capabilities = capabilities,
            settings = {
                Lua = {
                    diagnostics = {
                        -- Get the language server to recognize the `vim` global
                        globals = { 'vim' },
                    },
                },
            },
        }

        require 'lspconfig'.sqlls.setup {
            on_attach = on_attach,
            capabilities = capabilities,
        }

        require 'lspconfig'.yamlls.setup {
            on_attach = on_attach,
            capabilities = capabilities,
            settings = {
                yaml = {
                    schemas = { kubernetes = "*{namespace,policy,middleware,configmap,role,deployment,cron,service,volume,secret,ingress,svc,pvc}*.yaml" },
                }
            }
        }

        require 'lspconfig'.lemminx.setup {
            on_attach = on_attach,
            capabilities = capabilities,
        }

        require 'lspconfig'.marksman.setup {
            on_attach = on_attach,
            capabilities = capabilities,
        }
        require 'lspconfig'.html.setup {
            on_attach = on_attach,
            capabilities = capabilities,
        }
        require 'lspconfig'.ansiblels.setup {
            on_attach = on_attach,
            capabilities = capabilities,
        }
        require 'lspconfig'.helm_ls.setup {
            on_attach = on_attach,
            capabilities = capabilities,
        }
    end
}