added dockerized build chain

Dockerfile

@@ -0,0 +1,21 @@
+FROM alpine AS npm
+
+RUN apk add npm
+
+
+FROM npm AS npm-installed
+
+WORKDIR source
+ADD package.json .
+RUN npm install
+
+
+FROM npm-installed AS builder
+
+ADD . .
+RUN npm run build
+
+
+FROM nginx:stable-alpine3.17-slim
+
+COPY --from=builder /source/build /usr/share/nginx/html