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Quick stopgap to fix secret imports in the Heroku migration guide #2354

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bglw merged 1 commit into from
Feb 18, 2026
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Quick stopgap to fix secret imports in the Heroku migration guide #2354

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4 changes: 2 additions & 2 deletions getting-started/migrate-from-heroku.html.md
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Expand Up @@ -24,7 +24,7 @@

**Time required:** Most apps can be migrated in under 30 minutes.

Unlike Heroku's dyno-based tiers, Fly.io uses pay-as-you-go pricing - you only pay for the compute, storage, and bandwidth you actually use. There are no fixed plan tiers to choose from. See [fly.io/pricing](https://fly.io/pricing) for current rates.

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[vale] reported by reviewdog 🐶
[Vale.Terms] Use 'Dyno' instead of 'dyno'.

Raw Output:
{"message": "[Vale.Terms] Use 'Dyno' instead of 'dyno'.", "location": {"path": "getting-started/migrate-from-heroku.html.md", "range": {"start": {"line": 27, "column": 17}}}, "severity": "ERROR"}

## TL;DR - The Fast Path

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```bash
# 1. Export secrets (excluding Heroku-managed vars)
heroku config -s -a YOUR_HEROKU_APP | grep -v '^DATABASE_URL\|^REDIS_URL\|^HEROKU_' > secrets.txt
heroku config -s -a YOUR_HEROKU_APP | grep -v '^DATABASE_URL\|^REDIS_URL\|^HEROKU_' | sed "s/='\(.*\)'$/=\"\1\"/" > secrets.txt
# ⚠️ Don't commit secrets.txt to git!

# 2. Create Fly app (generates Dockerfile automatically)
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## Prerequisites

Install both CLIs:

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[Fly.Spelling] Is 'CLIs' a typo?

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{"message": "[Fly.Spelling] Is 'CLIs' a typo?", "location": {"path": "getting-started/migrate-from-heroku.html.md", "range": {"start": {"line": 65, "column": 14}}}, "severity": "INFO"}

```bash
# Install Fly CLI
Expand All @@ -84,7 +84,7 @@
export HEROKU_APP="your-app-name"

# Export environment variables (excluding Heroku-managed ones)
heroku config -s -a $HEROKU_APP | grep -v '^HEROKU_' | grep -v '^DATABASE_URL' | grep -v '^REDIS_URL' > heroku-env.txt
heroku config -s -a $HEROKU_APP | grep -v '^HEROKU_' | grep -v '^DATABASE_URL' | grep -v '^REDIS_URL' | sed "s/='\(.*\)'$/=\"\1\"/" > heroku-env.txt
# ⚠️ This file contains secrets - don't commit it to git!

# See what add-ons you have
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Take note of:
- Your add-ons (Postgres, Redis, etc.)
- Your dyno types (web, worker, etc.)

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[Vale.Terms] Use 'Dyno' instead of 'dyno'.

Raw Output:
{"message": "[Vale.Terms] Use 'Dyno' instead of 'dyno'.", "location": {"path": "getting-started/migrate-from-heroku.html.md", "range": {"start": {"line": 99, "column": 8}}}, "severity": "ERROR"}

## Step 2: Prepare Your App

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| Heroku Postgres | `fly mpg create` (Managed Postgres) |
| Heroku Redis / Redis Cloud | `fly redis create` (Upstash) |
| Heroku Scheduler | Use cron in your app, or a separate "cron" process |
| Papertrail | `fly logs` built-in, or add a log drain |

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[vale] reported by reviewdog 🐶
[Fly.Spelling] Is 'Papertrail' a typo?

Raw Output:
{"message": "[Fly.Spelling] Is 'Papertrail' a typo?", "location": {"path": "getting-started/migrate-from-heroku.html.md", "range": {"start": {"line": 308, "column": 3}}}, "severity": "INFO"}
| SendGrid | Keep using SendGrid (just use API key) |
| New Relic | `fly extensions sentry` or keep using New Relic |
| S3 / Bucketeer | `fly storage create` (Tigris) or keep using S3 |

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[Fly.Spelling] Is 'Bucketeer' a typo?

Raw Output:
{"message": "[Fly.Spelling] Is 'Bucketeer' a typo?", "location": {"path": "getting-started/migrate-from-heroku.html.md", "range": {"start": {"line": 311, "column": 8}}}, "severity": "INFO"}
| Elasticsearch | Deploy Elasticsearch as a Fly app, or use a hosted service |
| Memcached | Use Redis instead (`fly redis create`) |

Expand All @@ -334,7 +334,7 @@
1. Update your DNS to point to Fly
2. Wait for DNS propagation (check with `dig yourdomain.com`)
3. Monitor both apps for a day to ensure no traffic goes to Heroku
4. Scale down Heroku dynos: `heroku ps:scale web=0 worker=0 -a $HEROKU_APP`

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[vale] reported by reviewdog 🐶
[Fly.Spelling] Is 'dynos' a typo?

Raw Output:
{"message": "[Fly.Spelling] Is 'dynos' a typo?", "location": {"path": "getting-started/migrate-from-heroku.html.md", "range": {"start": {"line": 337, "column": 22}}}, "severity": "INFO"}
5. Cancel Heroku add-ons
6. Delete the Heroku app: `heroku apps:destroy -a $HEROKU_APP`

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