[neovim] Add language servers for DockerFiles

nvim/.config/nvim/lua/lsp/dockerfile.lua

@@ -0,0 +1,7 @@
+local common = require('lsp.common')
+
+require('lspconfig').dockerls.setup {
+    capabilities = common.cap,
+    on_attach = common.attach,
+}
+

nvim/.config/nvim/lua/lsp/efm.lua

@@ -59,6 +59,11 @@ local stylelint = {
     },
 }
 
+local hadolint = {
+    lintCommand = 'hadolint',
+    lintFormats = { '%f:%l %m' },
+}
+
 
 require('lspconfig').efm.setup {
     capabilities = common.cap,
@@ -66,6 +71,7 @@ require('lspconfig').efm.setup {
     filetypes = {
         "bash",
         "css",
+        "dockerfile",
         "fish",
         "javascript",
         "markdown",
@@ -78,6 +84,7 @@ require('lspconfig').efm.setup {
         languages = {
             bash = { shellcheck },
             css = { stylelint },
+            dockerfile = { hadolint },
             fish = { fish },
             javascript = { eslint },
             markdown = { mdlint },

nvim/.config/nvim/lua/lsp/init.lua

@@ -1,6 +1,7 @@
 require('lsp.ansiblels')
 require('lsp.bashls')
 require('lsp.cssls')
+require('lsp.dockerfile')
 require('lsp.efm')
 require('lsp.ember')
 require('lsp.esbonio')