diff --git a/.circleci/config.yml b/.circleci/config.yml
index 3867b4d..98acb18 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -8,7 +8,11 @@ workflows:
             branches:
               only:
                 - main
-                - beta-1-support
+      - deploy_explorer0:
+          filters:
+            branches:
+              only:
+                - explorer0
 
 # Just for reusing below
 step_defs:
@@ -23,6 +27,41 @@ step_defs:
       command: node -v | grep v16
 
 jobs:
+  deploy_explorer0:
+    machine:
+      image: ubuntu-2204:2022.04.1
+    resource_class: large
+    steps:
+      - checkout
+      - run: *node_version
+      - run: *check_version
+      - run:
+          name: Install
+          command: yarn
+      - run:
+          name: Build backend image
+          command: docker build . -t jchancehud/unirep-explorer:explorer0
+      - run:
+          name: Push backend image
+          command: |
+            echo $DOCKER_TOKEN | docker login -u jchancehud --password-stdin
+            docker push jchancehud/unirep-explorer:explorer0
+            rm /home/circleci/.docker/config.json
+      - run:
+          name: Trigger service update
+          command: curl -X POST https://devops.unirep.io/api/webhooks/ad77ca9a-3bfa-474a-bb6c-83293773d440
+      - run:
+          name: Set frontend config
+          command: echo 'export const SERVER = "https://api.explorer0.unirep.io"' > packages/frontend/src/config.js
+      - run:
+          name: Build frontend
+          command: yarn frontend build --mode production
+      - run:
+          name: Publish frontend
+          command: |
+            cd packages/frontend
+            npx wrangler@2.1 publish --env explorer0
+
   deploy:
     machine:
       image: ubuntu-2204:2022.04.1
diff --git a/packages/frontend/src/buildnum.js b/packages/frontend/src/buildnum.js
new file mode 100644
index 0000000..425a05a
--- /dev/null
+++ b/packages/frontend/src/buildnum.js
@@ -0,0 +1 @@
+export default 17
diff --git a/packages/frontend/src/components/ConfigInfoItem.jsx b/packages/frontend/src/components/ConfigInfoItem.jsx
index e0833c6..fc4d870 100644
--- a/packages/frontend/src/components/ConfigInfoItem.jsx
+++ b/packages/frontend/src/components/ConfigInfoItem.jsx
@@ -8,7 +8,7 @@ export default observer(({ item, info, text }) => {
     <>
       <div className="flex">
         <h5>{item}</h5>
-        <Tooltip text={text} maxWidth={200} />
+        {text ? <Tooltip text={text} maxWidth={200} /> : null}
       </div>
       <h6 className="break">{info}</h6>
     </>
diff --git a/packages/frontend/src/components/UnirepInfo.jsx b/packages/frontend/src/components/UnirepInfo.jsx
index 359c4f0..b20935c 100644
--- a/packages/frontend/src/components/UnirepInfo.jsx
+++ b/packages/frontend/src/components/UnirepInfo.jsx
@@ -2,6 +2,7 @@ import React, { useState } from 'react'
 import { observer } from 'mobx-react-lite'
 import ConfigInfoItem from './ConfigInfoItem'
 import './infoCard.css'
+import buildNumber from '../buildnum'
 
 export default observer(({ info }) => {
   const [circuitExpanded, setCircuitExpanded] = useState(false)
@@ -42,7 +43,7 @@ export default observer(({ info }) => {
       {circuitExpanded ? (
         <>
           <div className="flex card-heading">
-            <h4>Circuit Config</h4>
+            <h4>Config</h4>
             <div
               onClick={() => setCircuitExpanded(false)}
               style={{ cursor: 'pointer' }}
@@ -71,11 +72,12 @@ export default observer(({ info }) => {
             info={info.EPOCH_KEY_NONCE_COUNT}
             text="The number of unique epoch keys given to each user per epoch."
           />
+          <ConfigInfoItem item="Build Number" info={buildNumber} />
         </>
       ) : (
         <>
           <div className="flex card-heading">
-            <h4>Circuit Config</h4>
+            <h4>Config</h4>
             <div
               onClick={() => setCircuitExpanded(true)}
               style={{ cursor: 'pointer' }}
diff --git a/packages/frontend/webpack.config.js b/packages/frontend/webpack.config.js
index 21ed4b4..665db2f 100644
--- a/packages/frontend/webpack.config.js
+++ b/packages/frontend/webpack.config.js
@@ -2,6 +2,7 @@ const HtmlWebpackPlugin = require('html-webpack-plugin')
 const path = require('path')
 const MiniCssExtractPlugin = require('mini-css-extract-plugin')
 const webpack = require('webpack')
+const fs = require('fs/promises')
 
 module.exports = (env) => ({
   entry: ['./src/index.jsx'],
@@ -65,6 +66,23 @@ module.exports = (env) => ({
     ],
   },
   plugins: [
+    {
+      apply: (compiler) =>
+        compiler.hooks.watchRun.tapAsync('watchRun', async (params, cb) => {
+          const currentBuild = (
+            await fs.readFile(path.join(__dirname, 'src/buildnum.js'))
+          ).toString()
+          const [, num] = currentBuild.match(/export default (\d+)/)
+          await fs.writeFile(
+            path.join(__dirname, 'src/buildnum.js'),
+            `export default ${+num + 1}`
+          )
+          cb()
+        }),
+    },
+    new webpack.WatchIgnorePlugin({
+      paths: [path.join(__dirname, 'src/buildnum.js')],
+    }),
     new HtmlWebpackPlugin({
       template: 'public/index.html',
       filename: 'index.html',
diff --git a/packages/frontend/wrangler.toml b/packages/frontend/wrangler.toml
index 4a01271..dadbd1e 100644
--- a/packages/frontend/wrangler.toml
+++ b/packages/frontend/wrangler.toml
@@ -2,5 +2,13 @@ name = "unirep-explorer"
 main = "worker.js"
 compatibility_date = "2022-10-18"
 
+[env.production]
+name = "production"
+route = { pattern = "explorer.unirep.io/*", zone_name = "unirep.io" }
+
+[env.explorer0]
+name = "explorer0"
+route = { pattern = "explorer0.unirep.io/*", zone_name = "unirep.io" }
+
 [site]
 bucket = "./build"