diff --git a/home.nix b/home.nix
index a15c726..24a14ec 100644
--- a/home.nix
+++ b/home.nix
@@ -18,9 +18,8 @@
   home.stateVersion = "20.09";
 
   home.sessionVariables = {
-    EDITOR = "$HOME/bin/run-emacsclient-cli";
+    EDITOR = "nvim";
     VISUAL = "$EDITOR";
-    ALTERNATE_EDITOR = "nvim";
   };
 
   programs.git = {
@@ -111,16 +110,21 @@
     viAlias = true;
     vimAlias = true;
     vimdiffAlias = true;
+    withNodeJs = true;
     plugins = with pkgs.vimPlugins; [
-      fzf-vim
-      seoul256-vim
-      vim-polyglot
-      vim-gitgutter
-      rainbow
       ack-vim
       auto-pairs
+      coc-nvim
+      coc-json
+      coc-python
+      coc-tabnine
+      fzf-vim
       lightline-vim
+      rainbow
+      seoul256-vim
       vim-fugitive
+      vim-gitgutter
+      vim-polyglot
     ];
     extraConfig = ''
         set t_Co=256
@@ -136,6 +140,9 @@
         set cmdheight=2
         set smarttab
         set linebreak
+        set hlsearch
+        set ignorecase
+        set incsearch
         set guifont=SF\ Mono:h12
         set termguicolors
         let g:clipboard = {
@@ -184,6 +191,7 @@
         map <leader>y :Tags<cr>
         autocmd! FileType fzf tnoremap <buffer> <leader>q <c-c>
         nnoremap <C-p> :FZF<CR>
+
         let g:rainbow_active = 1
         let g:rainbow_conf = {
             \   'guifgs': ['royalblue3', 'darkorange3', 'seagreen3', 'firebrick'],
@@ -217,6 +225,94 @@
               \   'gitbranch': 'FugitiveHead'
               \ },
             \ }
+
+        " START Configuration for coc.nvim
+        " --------------------------------
+        set nobackup
+        set nowritebackup
+
+        " Better display for messages
+        set cmdheight=2
+
+        " You will have bad experience for diagnostic messages when it's default 4000.
+        set updatetime=300
+
+        " don't give |ins-completion-menu| messages.
+        set shortmess+=c
+
+        " always show signcolumns
+        set signcolumn=yes
+
+        " Use tab for trigger completion with characters ahead and navigate.
+        " Use command ':verbose imap <tab>' to make sure tab is not mapped by other plugin.
+        inoremap <silent><expr> <TAB>
+              \ pumvisible() ? "\<C-n>" :
+              \ <SID>check_back_space() ? "\<TAB>" :
+              \ coc#refresh()
+        inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"
+
+        function! s:check_back_space() abort
+          let col = col('.') - 1
+          return !col || getline('.')[col - 1]  =~# '\s'
+        endfunction
+
+        " Use <c-space> to trigger completion.
+        inoremap <silent><expr> <c-space> coc#refresh()
+
+        " Use <cr> to confirm completion, `<C-g>u` means break undo chain at current position.
+        " Coc only does snippet and additional edit on confirm.
+        inoremap <expr> <cr> pumvisible() ? "\<C-y>" : "\<C-g>u\<CR>"
+        " Or use `complete_info` if your vim support it, like:
+        " inoremap <expr> <cr> complete_info()["selected"] != "-1" ? "\<C-y>" : "\<C-g>u\<CR>"
+
+        " Use `[g` and `]g` to navigate diagnostics
+        nmap <silent> [g <Plug>(coc-diagnostic-prev)
+        nmap <silent> ]g <Plug>(coc-diagnostic-next)
+
+        " Remap keys for gotos
+        nmap <silent> gd <Plug>(coc-definition)
+        nmap <silent> gy <Plug>(coc-type-definition)
+        nmap <silent> gi <Plug>(coc-implementation)
+        nmap <silent> gr <Plug>(coc-references)
+
+        " Use K to show documentation in preview window
+        nnoremap <silent> K :call <SID>show_documentation()<CR>
+
+        function! s:show_documentation()
+          if (index(['vim','help'], &filetype) >= 0)
+            execute 'h '.expand('<cword>')
+          else
+            call CocAction('doHover')
+          endif
+        endfunction
+
+        " Highlight symbol under cursor on CursorHold
+        autocmd CursorHold * silent call CocActionAsync('highlight')
+
+        " Remap for rename current word
+        nmap <leader>rn <Plug>(coc-rename)
+
+        " Remap for format selected region
+        xmap <leader>l  <Plug>(coc-format-selected)
+        nmap <leader>l  <Plug>(coc-format-selected)
+
+        augroup mygroup
+          autocmd!
+          " Setup formatexpr specified filetype(s).
+          autocmd FileType typescript,json,scala setl formatexpr=CocAction('formatSelected')
+          " Update signature help on jump placeholder
+          autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')
+        augroup end
+
+        " Remap for do codeAction of selected region, ex: `<leader>aap` for current paragraph
+        xmap <leader>a  <Plug>(coc-codeaction-selected)
+        nmap <leader>a  <Plug>(coc-codeaction-selected)
+
+        " Remap for do codeAction of current line
+        nmap <leader>ac  <Plug>(coc-codeaction)
+        " Fix autofix problem of current line
+        nmap <leader>qf  <Plug>(coc-fix-current)
+
         '';
   };
 
@@ -274,6 +370,8 @@
       set -xg NIX_PATH $HOME/.nix-defexpr/channels $NIX_PATH
 
       set -xg FZF_DEFAULT_OPTS "--preview='bat {} --color=always'" \n
+
+      set -xg TOOLCHAINS swift
       '';
 
     promptInit = ''
@@ -287,7 +385,7 @@
       ping="prettyping";
       ".." = "cd ..";
       pj="python -m json.tool";
-      k="exa --long --header --git --all";
+      l="exa --long --header --git --all";
       g="git";
       gl="git log";
       gc="git commit -m";
@@ -310,6 +408,7 @@
       tabninecfg="vc /Users/salar/Library/Preferences/TabNine/TabNine.toml";
       sshfre1="ssh salar@fre1.softinio.net";
       moshfre1="mosh salar@fre1.softinio.net";
+      sshls1="ssh -i pem/LightsailDefaultKey-us-west-2.pem admin@52.42.3.248";
       portsupdate="sudo port -v selfupdate";
       emacsload="launchctl load -w ~/Library/LaunchAgents/gnu.emacs.daemon.plist";
       emacsunload="launchctl unload ~/Library/LaunchAgents/gnu.emacs.daemon.plist";
@@ -392,5 +491,6 @@
     pkgs.hyperfine
     pkgs.graphviz
     pkgs.metals
+    pkgs.neofetch
   ];
 }