add dockerfile

.github/workflows/deploy.yaml

@@ -3,6 +3,8 @@ name: Deploy
 on:
   push:
     branches: ["canary"]
+  pull_request:
+    branches: ["main"]
   workflow_dispatch:
 
 jobs:

Dockerfile

@@ -0,0 +1,6 @@
+# syntax=docker/dockerfile:1
+FROM node:16.15.1-alpine
+WORKDIR /app
+COPY ./ ./
+RUN npm install
+CMD ["node", "index.js"]