BREAKING: Fly.io Experiencing Capacity Issues in ARN Region – Workarounds Inside

Fly.io is down: No capacity in ARN. Immediate workarounds for indie hackers.

BREAKING: Fly.io ARN Capacity Issue – What You Need to Know

Status: Investigating | Severity: High | Last Updated: Now

What's Down & Who's Affected

Fly.io is currently experiencing "No capacity in ARN" errors, preventing deployments and app scaling in the ARN (Argentina) region. This primarily affects:

New deployments targeting ARN

Auto-scaling attempts in ARN

Existing apps trying to add machines in ARN

Any region-specific deployments routing through ARN infrastructure

If your app runs in other regions (US, EU, Asia), you're likely unaffected. ARN users: you need to act now.

Immediate Workarounds (Do These Now)

1. Deploy to Alternative Region

```bash flyctl deploy --region iad # US East (primary alternative) flyctl deploy --region sjc # US West flyctl deploy --region lhr # London (EU) ``` Update your fly.toml and redeploy immediately. DNS will failover, though you may see 30-60s latency during transition.

2. Pause Auto-Scaling

If you have auto-scaling enabled in ARN, disable it NOW: ```bash flyctl autoscale set --min-machines 1 --max-machines 1 ``` This prevents repeated failed scaling attempts that consume API quota.

3. Check Current Machine Status

```bash flyctl machines list --app your-app-name ``` Existing machines are running. Don't restart them unnecessarily.

4. Geo-Route Around ARN

Update your app logic to avoid ARN routing:

Use process.env.FLY_REGION checks

Implement client-side region selection

Temporarily route ARN traffic to nearest healthy region (IAD/SJC)

How to Check If You're Affected

Run this command: ```bash flyctl status --app your-app-name ```

You're affected if you see:

"No capacity in ARN" error messages

Failed deployment attempts to ARN

"machine creation failed" with ARN references

Pending machines stuck in "created" state

Not affected if:

All machines show "started" status

Your app.json specifies non-ARN regions only

You deployed before ~2 hours ago

Alternative Hosting (Quick Pivots)

If you need immediate redundancy:

| Platform | Setup Time | South America Support | |----------|-----------|----------------------| | Railway | 5 min | Through regional proxies | | Render | 10 min | US/EU only | | AWS Lightsail | 15 min | Full regional support | | DigitalOcean | 10 min | Full regional support | | Heroku | 5 min | Legacy but stable |

For ARN-specific users: DigitalOcean and AWS Lightsail have native Argentina datacenters.

Monitor Recovery

Official Channels:

Fly.io Status Page: https://status.fly.io

Community Slack: #incidents (check pinned messages)

Twitter: @fly (official updates)

Check Recovery: ```bash

Run every 2 minutes

flyctl deploy --region arn --dry-run ``` When this returns success without capacity errors, ARN is recovering.

Set up monitoring: ```bash

Watch status continuously

watch 'flyctl status --app your-app-name' ```

Bottom Line

1. If ARN-only: Deploy to IAD/SJC now (5-minute fix) 2. If multi-region: You're safe, monitor only 3. Check status: Run flyctl status to confirm 4. Don't panic-restart: Existing machines are fine 5. Watch status page: Recovery ETA will post within 30 min

This is an infrastructure constraint, not a security issue. Your data is safe. Fly's team is investigating. Updates in 15 minutes.

—Senior Dev, Still Not a Thing