Add dockerfile for web

web/Dockerfile

@@ -0,0 +1,13 @@
+FROM node:24-alpine
+WORKDIR /app
+COPY package*.json ./
+RUN npm i
+COPY . .
+ENV PUBLIC_PB_URL=http://pb:8080
+ENV PUBLIC_URL=http://localhost:4321
+
+RUN npm run build
+
+EXPOSE 4321
+# CMD ["npm", "run", "dev", "--", "--host"]
+CMD [ "npm", "run", "preview", "--", "--host" ]