add Dockerfile

Dockerfile

@@ -0,0 +1,14 @@
+# builder image
+FROM node:18.18 as builder
+
+WORKDIR /home/node/app
+
+COPY . .
+
+RUN npm install
+RUN npx gulp build
+
+# runtime image (static server)
+FROM nginxinc/nginx-unprivileged:latest as runtime
+
+COPY --from=builder /home/node/app/dist /usr/share/nginx/html/