.config/nvim/lua/config/autocmd.lua

@@ -7,6 +7,8 @@ vim.api.nvim_create_autocmd('FileType', {
 -- Remove trailing whitespaces on save
 vim.api.nvim_create_autocmd('BufWritePre', {
     callback = function()
+        if vim.fn.expand('%:e') == 'md' then return end
+
         local view = vim.fn.winsaveview()
         vim.cmd('%s/\\s\\+$//e')
         vim.fn.winrestview(view)
@@ -19,3 +21,18 @@ vim.api.nvim_create_autocmd('TextYankPost', {
         vim.highlight.on_yank({ higroup = "Visual", timeout = 400 })
     end
 })
+
+local filetypes = {
+    json = 'jsonc',
+    j2 = 'jinja',
+    service = 'systemd'
+}
+
+for ext, ft in pairs(filetypes) do
+    vim.api.nvim_create_autocmd({ "BufRead", "BufNewFile" }, {
+      pattern = "*." .. ext,
+      callback = function()
+        vim.bo.filetype = ft
+      end,
+    })
+end

.config/nvim/lua/config/options.lua

@@ -2,8 +2,8 @@
 vim.o.hlsearch = true
 
 -- Enable line numbers
-vim.wo.number = true
-vim.wo.relativenumber = true
+vim.o.number = true
+vim.o.relativenumber = true
 
 -- Enable mouse mode
 vim.o.mouse = 'a'