diff --git a/modules/sean.nix b/modules/sean.nix
index c190ce0..566776e 100644
--- a/modules/sean.nix
+++ b/modules/sean.nix
@@ -1,5 +1,10 @@
-{ ... }:
+{ pkgs, ... }:
 {
+  environment.variables.EDITOR = "nvim";
+  environment.systemPackages = [
+    pkgs.bck-nvim
+  ];
+
   users.users.sean = {
     uid = 2000;
     isNormalUser = true;
diff --git a/modules/vim.nix b/modules/vim.nix
deleted file mode 100644
index 29e5de9..0000000
--- a/modules/vim.nix
+++ /dev/null
@@ -1,12 +0,0 @@
-{ pkgs, ... }:
-let
-  alias = cmd: pkgs.writeShellScriptBin cmd ''
-    exec nix run github:buckley310/vim -- "$@"
-  '';
-in
-{
-  environment.systemPackages = [
-    (alias "vi")
-    (alias "vim")
-  ];
-}
diff --git a/pkgs/bck-nvim/default.nix b/pkgs/bck-nvim/default.nix
new file mode 100644
index 0000000..7068b90
--- /dev/null
+++ b/pkgs/bck-nvim/default.nix
@@ -0,0 +1,68 @@
+{ lib
+, neovim-unwrapped
+, vimPlugins
+, wrapNeovim
+
+  # LSP
+, black
+, efm-langserver
+, lua-language-server
+, nil
+, nodePackages
+, pyright
+, vscode-langservers-extracted
+, yaml-language-server
+}:
+
+let
+  luafiles = lib.concatLines (map
+    (x: "luafile ${./lua}/${x}")
+    (builtins.attrNames (builtins.readDir ./lua))
+  );
+
+  extraPath = lib.concatLines (map
+    (p: "let $PATH .= ':${p}/bin'")
+    [
+      black
+      efm-langserver
+      lua-language-server
+      nil
+      nodePackages.prettier
+      nodePackages.typescript-language-server
+      pyright
+      vscode-langservers-extracted
+      yaml-language-server
+    ]
+  );
+
+in
+wrapNeovim neovim-unwrapped {
+  viAlias = true;
+  vimAlias = true;
+  configure = {
+    packages.bck.start = with vimPlugins; [
+      # cmp
+      cmp-buffer
+      cmp-nvim-lsp
+      cmp-path
+      cmp_luasnip
+      luasnip
+      nvim-cmp
+      # other
+      bufferline-nvim
+      comment-nvim
+      gitsigns-nvim
+      indent-blankline-nvim
+      lualine-nvim
+      nvim-lspconfig
+      nvim-tree-lua
+      nvim-treesitter.withAllGrammars
+      nvim-web-devicons
+      project-nvim
+      telescope-nvim
+      vim-code-dark
+      vim-tmux-navigator
+    ];
+    customRC = extraPath + luafiles;
+  };
+}
diff --git a/pkgs/bck-nvim/lua/0-nvimtree.lua b/pkgs/bck-nvim/lua/0-nvimtree.lua
new file mode 100644
index 0000000..03f2b75
--- /dev/null
+++ b/pkgs/bck-nvim/lua/0-nvimtree.lua
@@ -0,0 +1,30 @@
+vim.g.loaded_netrw = 1
+vim.g.loaded_netrwPlugin = 1
+
+vim.opt.termguicolors = true
+vim.cmd("colorscheme codedark")
+
+vim.keymap.set('n', '<space>e', '<cmd>NvimTreeToggle<cr>')
+
+local function my_on_attach(bufnr)
+	local api = require('nvim-tree.api')
+	local function opts(desc)
+		return { desc = 'nvim-tree: ' .. desc, buffer = bufnr, noremap = true, silent = true, nowait = true }
+	end
+
+	api.config.mappings.default_on_attach(bufnr)
+	vim.keymap.set('n', 'l', api.node.open.edit, opts('Open'))
+	vim.keymap.set('n', 'h', api.node.navigate.parent_close, opts('Close Directory'))
+end
+
+require("nvim-tree").setup({
+	on_attach = my_on_attach,
+	disable_netrw = true,
+	hijack_netrw = true,
+	sync_root_with_cwd = true,
+	respect_buf_cwd = true,
+	update_focused_file = {
+		enable = true,
+		update_root = true
+	},
+})
diff --git a/pkgs/bck-nvim/lua/1-lualine.lua b/pkgs/bck-nvim/lua/1-lualine.lua
new file mode 100644
index 0000000..973774b
--- /dev/null
+++ b/pkgs/bck-nvim/lua/1-lualine.lua
@@ -0,0 +1,25 @@
+local sections = require('lualine').get_config().sections
+sections.lualine_x = {
+	function()
+		local bufnr = vim.api.nvim_get_current_buf()
+		local clients = vim.lsp.buf_get_clients(bufnr)
+		if next(clients) == nil then
+			return ''
+		end
+		local c = {}
+		for _, client in pairs(clients) do
+			table.insert(c, client.name)
+		end
+		return '\u{f013} ' .. table.concat(c, ',')
+	end,
+	'filetype',
+}
+
+require('lualine').setup({
+	options = {
+		disabled_filetypes = { 'NvimTree' },
+	},
+	sections = sections,
+})
+
+vim.cmd("set noshowmode")
diff --git a/pkgs/bck-nvim/lua/4-cmp.lua b/pkgs/bck-nvim/lua/4-cmp.lua
new file mode 100644
index 0000000..d802e55
--- /dev/null
+++ b/pkgs/bck-nvim/lua/4-cmp.lua
@@ -0,0 +1,37 @@
+local cmp = require('cmp')
+
+cmp.setup({
+	snippet = {
+		expand = function(args)
+			require('luasnip').lsp_expand(args.body)
+		end,
+	},
+	window = {
+		completion = cmp.config.window.bordered(),
+		documentation = cmp.config.window.bordered(),
+	},
+	mapping = cmp.mapping.preset.insert({
+		['<CR>'] = cmp.mapping.confirm({ select = false }),
+		['<Tab>'] = cmp.mapping.confirm({ select = true }),
+	}),
+	sources = cmp.config.sources({
+		{ name = 'nvim_lsp' },
+		{ name = 'luasnip' },
+	}, {
+		{ name = 'buffer' },
+	})
+})
+
+cmp.setup.cmdline({ '/', '?' }, {
+	mapping = cmp.mapping.preset.cmdline(),
+	sources = {
+		{ name = 'buffer' }
+	}
+})
+
+cmp.setup.cmdline(':', {
+	mapping = cmp.mapping.preset.cmdline(),
+	sources = {
+		{ name = 'path' }
+	}
+})
diff --git a/pkgs/bck-nvim/lua/5-lsp.lua b/pkgs/bck-nvim/lua/5-lsp.lua
new file mode 100644
index 0000000..48e6185
--- /dev/null
+++ b/pkgs/bck-nvim/lua/5-lsp.lua
@@ -0,0 +1,141 @@
+local lspconfig = require('lspconfig')
+local capabilities = require('cmp_nvim_lsp').default_capabilities()
+
+----------------------------------------------------------------
+lspconfig.lua_ls.setup({
+	capabilities = capabilities,
+	settings = {
+		Lua = {
+			diagnostics = {
+				globals = { "vim" }
+			}
+		}
+	}
+})
+
+----------------------------------------------------------------
+lspconfig.pyright.setup({
+	capabilities = capabilities,
+})
+
+----------------------------------------------------------------
+lspconfig.tsserver.setup({
+	capabilities = capabilities,
+	on_attach = function(client, _)
+		client.server_capabilities.documentFormattingProvider = false
+	end,
+})
+
+----------------------------------------------------------------
+lspconfig.html.setup({
+	capabilities = capabilities,
+	on_attach = function(client, _)
+		client.server_capabilities.documentFormattingProvider = false
+	end,
+})
+
+----------------------------------------------------------------
+lspconfig.cssls.setup({
+	capabilities = capabilities,
+	on_attach = function(client, _)
+		client.server_capabilities.documentFormattingProvider = false
+	end,
+})
+
+----------------------------------------------------------------
+lspconfig.nil_ls.setup({
+	capabilities = capabilities,
+	cmd = { "nil" },
+	settings = {
+		['nil'] = {
+			formatting = {
+				command = { "nixpkgs-fmt" },
+			},
+		},
+	},
+})
+
+----------------------------------------------------------------
+lspconfig.yamlls.setup({
+	capabilities = capabilities,
+	settings = {
+		yaml = {
+			schemas = {
+				kubernetes = "/*.yaml",
+			},
+			customTags = {
+				-- https://github.com/aws-cloudformation/cfn-lint-visual-studio-code/blob/3ff0b8cc1bbfc34448c865b54deff8c7d030beba/server/src/cfnSettings.ts
+				"!And sequence",
+				"!If sequence",
+				"!Not sequence",
+				"!Equals sequence",
+				"!Or sequence",
+				"!FindInMap sequence",
+				"!Base64 scalar",
+				"!Join sequence",
+				"!Cidr sequence",
+				"!Ref scalar",
+				"!Sub scalar",
+				"!Sub sequence",
+				"!GetAtt scalar",
+				"!GetAtt sequence",
+				"!GetAZs mapping",
+				"!GetAZs scalar",
+				"!ImportValue mapping",
+				"!ImportValue scalar",
+				"!Select sequence",
+				"!Split sequence",
+			},
+		},
+	},
+	on_attach = function(client, _)
+		client.server_capabilities.documentFormattingProvider = true
+	end,
+})
+
+----------------------------------------------------------------
+----------------------------------------------------------------
+----------------------------------------------------------------
+local efmprettier = {
+	{
+		formatStdin = true,
+		formatCommand = "prettier --stdin-filepath ${INPUT}",
+	}
+}
+lspconfig.efm.setup({
+	filetypes = {
+		"css",
+		"html",
+		"javascript",
+		"typescript",
+		"python",
+	},
+	init_options = {
+		documentFormatting = true
+	},
+	settings = {
+		languages = {
+			css = efmprettier,
+			html = efmprettier,
+			javascript = efmprettier,
+			typescript = efmprettier,
+			python = {
+				{
+					formatStdin = true,
+					formatCommand = "black --quiet -",
+				},
+			},
+		},
+	},
+})
+
+----------------------------------------------------------------
+vim.api.nvim_create_autocmd("BufWritePre", {
+	callback = function(e)
+		for _, client in pairs(vim.lsp.buf_get_clients(e.buf)) do
+			if client.supports_method("textDocument/formatting") then
+				return vim.lsp.buf.format()
+			end
+		end
+	end
+})
diff --git a/pkgs/bck-nvim/lua/8-other-plugins.lua b/pkgs/bck-nvim/lua/8-other-plugins.lua
new file mode 100644
index 0000000..c6f72c8
--- /dev/null
+++ b/pkgs/bck-nvim/lua/8-other-plugins.lua
@@ -0,0 +1,40 @@
+require('nvim-treesitter.configs').setup({
+	highlight = {
+		enable = true,
+	},
+})
+
+----------------------------------------------------------------
+require('project_nvim').setup({
+	detection_methods = { "pattern" },
+	patterns = { ".git", "flake.nix", "package.json" },
+})
+
+----------------------------------------------------------------
+require('Comment').setup({})
+
+----------------------------------------------------------------
+require("bufferline").setup({
+	options = {
+		separator_style = "slant"
+	}
+})
+
+----------------------------------------------------------------
+vim.cmd("highlight NonText guifg=#404040")
+require("ibl").setup({
+	scope = { enabled = false },
+	indent = { char = "\u{258f}" },
+})
+
+----------------------------------------------------------------
+require('gitsigns').setup({})
+vim.cmd("set signcolumn=yes") -- signcolumn=number ?
+vim.cmd("highlight GitSignsAdd    ctermfg=2 guifg=#009900")
+vim.cmd("highlight GitSignsChange ctermfg=3 guifg=#bbbb00")
+vim.cmd("highlight GitSignsDelete ctermfg=1 guifg=#ff2222")
+vim.keymap.set('n', '<space>gl', '<cmd>lua require("gitsigns").blame_line()<cr>')
+vim.keymap.set('n', '<space>gp', '<cmd>lua require("gitsigns").preview_hunk()<cr>')
+vim.keymap.set('n', '<space>gr', '<cmd>lua require("gitsigns").reset_hunk()<cr>')
+vim.keymap.set('n', '<space>gs', '<cmd>lua require("gitsigns").stage_hunk()<cr>')
+vim.keymap.set('n', '<space>gu', '<cmd>lua require("gitsigns").reset_buffer_index()<cr>')
diff --git a/pkgs/bck-nvim/lua/9-misc.lua b/pkgs/bck-nvim/lua/9-misc.lua
new file mode 100644
index 0000000..824ca40
--- /dev/null
+++ b/pkgs/bck-nvim/lua/9-misc.lua
@@ -0,0 +1,57 @@
+vim.cmd("set mouse=")
+vim.cmd("set number relativenumber")
+vim.cmd("set nowrap")
+vim.cmd("set scrolloff=9")
+vim.cmd("set tabstop=4")
+vim.cmd("set shiftwidth=4")
+vim.cmd("set ignorecase smartcase")
+
+vim.keymap.set('n', '<space>ff', '<cmd>Telescope find_files<cr>')
+vim.keymap.set('n', '<space>fr', '<cmd>Telescope oldfiles<cr>')
+vim.keymap.set('n', '<space>fg', '<cmd>Telescope git_files<cr>')
+
+vim.keymap.set('n', '>', '>>^')
+vim.keymap.set('n', '<', '<<^')
+vim.keymap.set('v', '<', '<gv^')
+vim.keymap.set('v', '>', '>gv^')
+
+vim.keymap.set('n', '<A-j>', '}')
+vim.keymap.set('n', '<A-k>', '{')
+vim.keymap.set('v', '<A-j>', '}')
+vim.keymap.set('v', '<A-k>', '{')
+
+vim.keymap.set('n', '<space>w', '<cmd>w<cr>')
+vim.keymap.set('n', '<space>q', '<cmd>q<cr>')
+vim.keymap.set('n', '<space>c', '<cmd>:bdelete<cr>')
+vim.keymap.set('n', '<A-h>', '<cmd>bprevious<cr>')
+vim.keymap.set('n', '<A-l>', '<cmd>bnext<cr>')
+
+vim.keymap.set('n', "<C-Up>", "<cmd>resize -2<cr>")
+vim.keymap.set('n', "<C-Down>", "<cmd>resize +2<cr>")
+vim.keymap.set('n', "<C-Left>", "<cmd>vertical resize -2<cr>")
+vim.keymap.set('n', "<C-Right>", "<cmd>vertical resize +2<cr>")
+
+vim.cmd("autocmd TermOpen * setlocal nonumber norelativenumber")
+for _, key in pairs({ 'h', 'j', 'k', 'l' }) do
+	for _, mod in pairs({ 'C', 'A' }) do
+		vim.keymap.set(
+			't',
+			'<' .. mod .. '-' .. key .. '>',
+			'<C-\\><C-n><' .. mod .. '-' .. key .. '>',
+			{ remap = true }
+		)
+	end
+end
+
+vim.api.nvim_create_autocmd('TextYankPost', {
+	callback = function()
+		vim.highlight.on_yank()
+	end
+})
+
+local fname = os.getenv("HOME") .. "/.bck-nvim.lua"
+local f = io.open(fname, "r")
+if f ~= nil then
+	io.close(f)
+	vim.cmd('luafile ' .. fname)
+end