diff --git a/nvimrc b/nvimrc
index 7a9e5ff..30c9bdb 100644
--- a/nvimrc
+++ b/nvimrc
@@ -276,6 +276,13 @@ packadd! vim-rhubarb       " https://github.com/tpope/vim-rhubarb.git
 packadd! editorconfig-vim  " https://github.com/editorconfig/editorconfig-vim.git
 packadd! vim-wordmotion    " https://github.com/chaoren/vim-wordmotion.git
 
+" nvim-dap
+packadd! nvim-dap          " https://github.com/mfussenegger/nvim-dap.git
+packadd! nvim-dap-go       " https://github.com/leoluz/nvim-dap-go.git
+packadd! nvim-dap-ruby     " https://github.com/suketa/nvim-dap-ruby.git
+
+lua require "debugger"
+
 " formatter.nvim:
 packadd! formatter.nvim    " https://github.com/mhartington/formatter.nvim.git
 
diff --git a/vim/lua/debugger.lua b/vim/lua/debugger.lua
new file mode 100644
index 0000000..319fd0e
--- /dev/null
+++ b/vim/lua/debugger.lua
@@ -0,0 +1,112 @@
+-- require("dap").set_log_level("DEBUG")
+
+-- go install github.com/go-delve/delve/cmd/dlv@latest
+require("dap-go").setup({})
+require("dap-ruby").setup()
+
+local prefix = "D"
+
+local configs = {
+	{
+		"Continue",
+		"<Leader>dc",
+		function()
+			require("dap").continue()
+		end,
+	},
+	{
+		"Next",
+		"<Leader>dn",
+		function()
+			require("dap").step_over()
+		end,
+	},
+	{
+		"StepInto",
+		"<Leader>di",
+		function()
+			require("dap").step_into()
+		end,
+	},
+	{
+		"StepOut",
+		"<Leader>du",
+		function()
+			require("dap").step_out()
+		end,
+	},
+	{
+		"ToggleBreakpoint",
+		"<Leader>dt",
+		function()
+			require("dap").toggle_breakpoint()
+		end,
+	},
+	{
+		"Breakpoint",
+		"<Leader>db",
+		function()
+			require("dap").set_breakpoint()
+		end,
+	},
+	{
+		"Logpoint",
+		"<Leader>dl",
+		function()
+			require("dap").set_breakpoint(nil, nil, vim.fn.input("Log point message: "))
+		end,
+	},
+	{
+		"Repl",
+		"<Leader>dr",
+		function()
+			require("dap").repl.open()
+		end,
+	},
+	{
+		"RunLast",
+		"<Leader>dl",
+		function()
+			require("dap").run_last()
+		end,
+	},
+	{
+		"WidgetsHover",
+		"<Leader>dh",
+		function()
+			require("dap.ui.widgets").hover()
+		end,
+	},
+	{
+		"WidgetsPreview",
+		"<Leader>dp",
+		function()
+			require("dap.ui.widgets").preview()
+		end,
+	},
+	{
+		"Frames",
+		"<Leader>df",
+		function()
+			local widgets = require("dap.ui.widgets")
+			widgets.centered_float(widgets.frames)
+		end,
+	},
+	{
+		"Scopes",
+		"<Leader>ds",
+		function()
+			local widgets = require("dap.ui.widgets")
+			widgets.centered_float(widgets.scopes)
+		end,
+	},
+}
+
+for _, v in pairs(configs) do
+	local name = v[1]
+	local keymap = v[2]
+	local fn = v[3]
+
+	vim.api.nvim_create_user_command(prefix .. name, fn, {})
+	vim.keymap.set("n", keymap, fn)
+end