Configure x402 environment variables for dev deployment

[crtahlin]

Summary

Configure GitHub environment variables for x402 payment integration on the dev branch staging deployment.

Changes

1. Deploy workflow (.github/workflows/deploy.yml)

• Add staging environment for dev branch deployments
• Write /opt/swarm_connect_dev.env file with x402 configuration from GitHub variables
• Variables use defaults if not set (x402 disabled by default)

2. Docker Compose (docker-compose.yml)

• Add env_file directive to provenance_gateway_dev service
• Points to /opt/swarm_connect_dev.env for x402 config
• Main/production service unchanged

GitHub Variables to Set (staging environment)

After merging, set these variables for the staging environment:

gh variable set X402_ENABLED --body "true" --env staging
gh variable set X402_PAY_TO_ADDRESS --body "<wallet-address>" --env staging
gh variable set X402_NETWORK --body "base-sepolia" --env staging
gh variable set X402_FACILITATOR_URL --body "https://x402.org/facilitator" --env staging
gh variable set X402_FREE_TIER_ENABLED --body "true" --env staging

How It Works

1. Push to dev triggers deployment
2. Workflow uses staging environment (gets GitHub variables)
3. Workflow writes env file to /opt/swarm_connect_dev.env
4. Docker Compose reads env file for dev container
5. x402 middleware activates with configured settings

Deployment URLs

Environment	URL	Branch	x402
Staging	provenance-gateway.dev.datafund.io	dev	Enabled
Production	provenance-gateway.datafund.io	main	Disabled

Notes

• All x402 settings are GitHub Variables (not Secrets) - no private keys needed
• Facilitator (x402.org) handles payment settlement and gas
• Free tier enabled by default for users without x402 capability

[crtahlin]

✅ Completed. x402 environment variables configured in deploy.yml for dev branch via staging environment. Variables include X402_ENABLED, X402_PAY_TO_ADDRESS, X402_NETWORK, X402_FACILITATOR_URL, X402_FREE_TIER_ENABLED.