frontend with build and publish ci

frontend/Dockerfile

@@ -0,0 +1,12 @@
+FROM node:alpine
+
+COPY build /app/build
+COPY package.json /app/package.json
+
+HEALTHCHECK --interval=30s --retries=3 --start-period=10s --timeout=1s \
+    CMD wget -q --tries=1 --spider http://localhost:3000/ || exit 1
+
+EXPOSE 3000
+
+WORKDIR /app
+ENTRYPOINT [ "node", "build" ]