add webapp, move frontend to webapp folder

webapp/Dockerfile

@@ -0,0 +1,17 @@
+FROM node:lts-alpine3.17
+
+# add project files to /app
+ADD ./webapp /app
+ADD ./prisma /app/prisma
+ADD ./protos /app/protos
+WORKDIR /app
+
+# build frontend
+RUN mkdir public/ && cd frontend && rm -rf dist && npm install && npm run build && cp -r dist/* /app/public && rm -rf /app/frontend
+
+# install node dependencies
+RUN npm install && npx prisma generate
+
+EXPOSE 8080
+
+ENTRYPOINT ["node", "index.js"]