diff --git a/captain-definition b/captain-definition
new file mode 100644
index 0000000..02ab8ee
--- /dev/null
+++ b/captain-definition
@@ -0,0 +1,12 @@
+{
+  "schemaVersion": 2,
+  "dockerfileLines": [
+    "FROM node:20",
+    "WORKDIR /app",
+    "COPY hdyc-svelte/package*.json ./",
+    "RUN npm install",
+    "COPY hdyc-svelte/ .",
+    "RUN npm run build",
+    "CMD [\"npm\", \"run\", \"start\"]"
+  ]
+}