add conform with yamlfmt

Containerfile

@@ -43,7 +43,8 @@ ENV MASON_PKGS=" \
     yaml-language-server \
     markdownlint \
     ansible-language-server \
-    ansible-lint"
+    ansible-lint \
+    yamlfmt"
 
 ENV MASON_PKGS_NO_ARM="lemminx helm-ls lua-language-server"
 

lua/lazy-load.lua

@@ -33,6 +33,17 @@ require("lazy").setup({
             opts = {},
             priority = 200
         },
+        {
+            "stevearc/conform.nvim",
+            --event = { "BufWritePre" },
+            cmd = { "ConformInfo" },
+            -- triggering is in lspconfig conf since it is the same key
+            opts = require("plugins.conform").opts,
+            init = function()
+                -- If you want the formatexpr, here is the place to set it
+                vim.o.formatexpr = "v:lua.require'conform'.formatexpr()"
+            end,
+        },
         -- mason-lspconfig might need disabling on first run
         {
             'williamboman/mason-lspconfig.nvim',

lua/plugins/conform.lua

@@ -0,0 +1,26 @@
+return {
+    -- This will provide type hinting with LuaLS
+    ---@module "conform"
+    ---@type conform.setupOpts
+    opts = {
+        -- Define your formatters
+        formatters_by_ft = {
+            yaml = { "yamlfmt" },
+            --lua = { "stylua" },
+            --python = { "isort", "black" },
+            --javascript = { "prettierd", "prettier", stop_after_first = true },
+        },
+        -- Set default options
+        default_format_opts = {
+            lsp_format = "fallback",
+        },
+        -- Set up format-on-save
+        --format_on_save = { timeout_ms = 500 },
+        -- Customize formatters
+        formatters = {
+            shfmt = {
+                prepend_args = { "-i", "2" },
+            },
+        },
+    }
+}

lua/plugins/nvim-lspconfig.lua

@@ -32,7 +32,10 @@ return {
             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)
+            vim.keymap.set('n', '<leader>f', function()
+                vim.lsp.buf.format { async = true }
+                require("conform").format({ async = true })
+            end, bufopts)
         end
 
         local capabilities = require('cmp_nvim_lsp').default_capabilities()