diff --git a/Formula/docker-langserver.rb b/Formula/docker-langserver.rb
new file mode 100644
index 0000000..9dbf872
--- /dev/null
+++ b/Formula/docker-langserver.rb
@@ -0,0 +1,32 @@
+require "language/node"
+
+class DockerLangserver < Formula
+  desc "Language server for Dockerfiles"
+  homepage "https://github.com/rcjsuen/dockerfile-language-server"
+  url "https://github.com/rcjsuen/dockerfile-language-server/archive/refs/tags/v0.13.0.tar.gz"
+  sha256 "8b471fe5bdbe2cc2f1eb9063b5817ee5500fea3e4bbb57d677a51634b6176c79"
+  license "MIT"
+
+  depends_on "node"
+
+  def install
+    system "npm", "install", *Language::Node.std_npm_install_args(libexec)
+    bin.install_symlink Dir["#{libexec}/bin/*"]
+  end
+
+  test do
+    json = <<~JSON
+      {
+        "jsonrpc": "2.0",
+        "id": 1,
+        "method": "initialize",
+        "params": {
+          "rootUri": null,
+          "capabilities": {}
+        }
+      }
+    JSON
+    input = "Content-Length: #{json.size}\r\n\r\n#{json}"
+    pipe_output("#{bin}/docker-langserver --stdio", input)
+  end
+end