docs(examples): fix the "deploy to heroku" button using latest depend…

…encies (#2385)

app.json

@@ -2,19 +2,19 @@
   "name": "Deploying to Heroku ⚡️ Bolt for JavaScript",
   "description": "This is a Slack app built with the Bolt for JavaScript framework that showcases deploying to the Heroku platform.",
   "keywords": ["slack", "heroku", "nodejs", "bolt", "bolt-js", "javascript"],
-  "logo": "https://raw.githubusercontent.com/slackapi/bolt-js/main/docs/assets/bolt-logo.svg",
+  "logo": "https://raw.githubusercontent.com/slackapi/bolt-js/main/docs/static/img/bolt-logo.svg",
   "image": "heroku/nodejs",
   "website": "https://tools.slack.dev/bolt-js/",
   "repository": "https://github.com/slackapi/bolt-js",
   "success_url": "/",
   "env": {
     "SLACK_SIGNING_SECRET": {
-      "description": "Slack creates a unique string for your app and shares it with you. Verify requests from Slack with confidence by verifying signatures using your signing secret. (begins with xoxb-)",
+      "description": "Slack creates a unique string for your app and shares it with you. Verify requests from Slack with confidence by verifying signatures using your signing secret.",
       "value": "",
       "required": true
     },
     "SLACK_BOT_TOKEN": {
-      "description": "Bot tokens represent a bot associated with the app installed in a workspace. Unlike user tokens, they're not tied to a user's identity; they're just tied to your app.",
+      "description": "Bot tokens represent a bot associated with the app installed in a workspace. Unlike user tokens, they're not tied to a user's identity; they're just tied to your app. Begins with 'xoxb-'.",
       "value": "",
       "required": true
     },
@@ -27,7 +27,7 @@
   "formation": {
     "web": {
       "quantity": 1,
-      "size": "free"
+      "size": "eco"
     }
   },
   "buildpacks": [

examples/deploy-heroku/README.md

@@ -49,15 +49,15 @@ heroku ps:scale web=1
 ### 5. Create Slack App
 
 1. Follow the [Getting Started with Bolt for JavaScript][4] guide to:
-    - Create a Slack app
-    - Add required scopes
-    - Subscribe to required events 
+   - Create a Slack app
+   - Add required scopes
+   - Subscribe to required events
 2. Follow the [Deploying to Heroku with Bolt for JavaScript][1] guide to:
-    - Update your **Request URL** for actions and events
+   - Update your **Request URL** for actions and events
 
 ### 6. Bonus: Deploy to Heroku with one click
 
-[![Deploy](https://www.herokucdn.com/deploy/button.svg)](https://heroku.com/deploy?template=https://github.com/slackapi/bolt-js)
+[![Deploy](https://www.herokucdn.com/deploy/button.svg)](https://dashboard.heroku.com/new?template=https://github.com/slackapi/bolt-js)
 
 [1]: https://tools.slack.dev/bolt-js/deployments/heroku/
 [2]: https://tools.slack.dev/bolt-js/

examples/deploy-heroku/app.js

@@ -47,5 +47,5 @@ app.message('goodbye', async ({ message, say }) => {
   // Start your app
   await app.start(process.env.PORT || 3000);
 
-  console.log('⚡️ Bolt app is running!');
+  app.logger.info('⚡️ Bolt app is running!');
 })();

examples/deploy-heroku/manifest.json

@@ -0,0 +1,29 @@
+{
+  "display_information": {
+    "name": "Bolt on Heroku Example"
+  },
+  "features": {
+    "bot_user": {
+      "display_name": "Bolt on Heroku Example",
+      "always_online": true
+    }
+  },
+  "oauth_config": {
+    "scopes": {
+      "bot": ["channels:history", "chat:write", "groups:history", "im:history", "mpim:history"]
+    }
+  },
+  "settings": {
+    "event_subscriptions": {
+      "request_url": "https://example-app-101.herokuapp.com/slack/events",
+      "bot_events": ["message.channels", "message.groups", "message.im", "message.mpim"]
+    },
+    "interactivity": {
+      "is_enabled": true,
+      "request_url": "https://example-app-101.herokuapp.com/slack/events"
+    },
+    "org_deploy_enabled": false,
+    "socket_mode_enabled": false,
+    "token_rotation_enabled": false
+  }
+}

examples/deploy-heroku/package.json

@@ -5,11 +5,10 @@
   "main": "app.js",
   "scripts": {
     "ngrok": "ngrok http 3000",
-    "start": "node app.js",
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "start": "node app.js"
   },
   "license": "MIT",
   "dependencies": {
-    "@slack/bolt": "^3"
+    "@slack/bolt": "^4.2.0"
   }
 }