My custom plugins

lua/custom/plugins/null-ls.lua

@@ -0,0 +1,20 @@
+return {
+    "jay-babu/mason-null-ls.nvim",
+    event = { "BufReadPre", "BufNewFile" },
+    dependencies = {
+      "williamboman/mason.nvim",
+      "jose-elias-alvarez/null-ls.nvim",
+    },
+    config = function()
+        local null_ls = require("null-ls")
+        local opts = {
+            automatic_installation = true,
+            automatic_setup = true,
+            sources = {
+                null_ls.builtins.formatting.prettierd,
+                null_ls.builtins.diagnostics.hadolint,
+            }
+        }
+        null_ls.setup(opts)
+    end,
+}