diff --git a/.dockerignore b/.dockerignore
index d147b68..4ce4c9b 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -5,7 +5,5 @@ test-results/
 .git/
 .gitea/
 tests/
-package-lock.json
-package.json
 playwright.config.js
 wordle-intro-5.html
diff --git a/nixpacks.toml b/nixpacks.toml
new file mode 100644
index 0000000..fa5421d
--- /dev/null
+++ b/nixpacks.toml
@@ -0,0 +1,8 @@
+[phases.setup]
+nixPkgs = ["nodejs_18", "npm-9_x"]
+
+[phases.install]
+cmds = ["npm install --omit=dev"]
+
+[start]
+cmd = "npm run start"