Set up a domain pointing to your Oracle VM's IP, then use Caddy or Certbot for TLS.
The Reality Check
Free hosting sounds great. Here are the honest trade-offs:
Limitations
Aspect
Free Tier
ClawTank
Setup time
1-2 hours
Under 1 minute
RAM
1 GB (AMD) or 6 GB (ARM)
Pre-configured
Automatic TLS
Manual setup
Automatic
Subdomain routing
Manual Caddy/Nginx
Automatic
Security updates
Your responsibility
Automatic
Monitoring
None
Built-in
Backup
Manual
Managed
Uptime guarantee
None (free tier)
Yes
ARM compatibility
Some Docker images don't support ARM
x86, all images work
Support
Community forums
Direct support
Common Issues
ARM Compatibility: Not all Docker images support ARM architecture. Some OpenClaw skills may not work on the ARM free tier.
Instance Reclamation: Oracle may reclaim idle free-tier instances. If your VM goes unused, it can be stopped.
Firewall Complexity: Oracle's security lists + iptables + the VM's firewall create three layers that all need correct configuration.
No Redundancy: Free tier = single VM. If it goes down, your AI agent goes down.
Maintenance Burden: You're responsible for OS updates, Docker updates, OpenClaw updates, security patches, and monitoring.
Who Should Use Free Tier
Experimenters: Want to try OpenClaw before committing any money
Developers: Building skills/integrations and need a test environment
Hobbyists: Casual use where downtime is acceptable
Budget zero: Literally cannot spend any money on hosting
Who Should Use Managed Hosting
Daily users: Need reliable 24/7 uptime
Non-technical: Don't want to manage servers
Business use: Can't afford downtime or security incidents
Time-conscious: Value time over saving $10/month
The Math
Your time has value. If you spend 2 hours setting up free hosting and 1 hour/month maintaining it:
At $25/hour: $50 setup + $25/month maintenance
Managed hosting: ~$10-15/month, zero maintenance
Break-even: never (managed is cheaper from month 1)
Get Started
Want to try the free route? Follow the steps above. Want to skip the DevOps and start using your AI agent immediately? Deploy on ClawTank in under 1 minute.
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