feat(langs,dockerfile): Added Dockerfile language support.

Author: connorgmeean

lua/doom/modules/langs/dockerfile/init.lua

@@ -0,0 +1,38 @@
+local dockerfile = {}
+
+dockerfile.settings = {
+  --- Enable/Disable linting via hadolint
+  --- @type boolean
+  disable_linter = true,
+  --- Language server name
+  --- @type string
+  language_server_name = "dockerls",
+}
+
+dockerfile.autocmds = {
+  {
+    "FileType",
+    "dockerfile",
+    function()
+      local settings = doom.langs.dockerfile.settings
+      local langs_utils = require("doom.modules.langs.utils")
+      langs_utils.use_lsp(settings.language_server_name)
+
+      vim.defer_fn(function()
+        require("nvim-treesitter.install").ensure_installed("dockerfile")
+      end, 0)
+
+      -- Setup null-ls
+      if doom.features.linter and not settings.disable_linter then
+        local null_ls = require("null-ls")
+
+        langs_utils.use_null_ls_source({
+          null_ls.builtins.diagnostics.hadolint,
+        })
+      end
+    end,
+    once = true,
+  },
+}
+
+return dockerfile

modules.lua

@@ -82,6 +82,7 @@ return {
     -- "config",          -- JSON, YAML, TOML
     -- "markdown",
     -- "terraform",       -- Terraform / hcl files support
+    -- "dockerfile",
   },
 }