add Dockerfile for local dev testing

lgutschow · lgutschow · commit d98081deb2ee · 2026-04-18T02:11:33.000-05:00
diff --git a/Dockerfile b/Dockerfile
@@ -0,0 +1,5 @@
+FROM node:22-slim
+WORKDIR /app
+COPY package.json ./
+COPY src/ src/
+CMD ["node", "--test", "src/*.test.js"]
