Story 030: Multi-Domain Support

[iagocavalcante]

Summary

As an organization admin, I want to configure a custom domain, so that my event pages use my own branding

Blocked by: story-001-multi-organization-support

Acceptance Criteria

1. Domain Configuration

1. Custom Domain: Organization admin can configure a custom domain name for their event pages.
2. DNS Instructions: System provides clear DNS configuration instructions for the admin.
3. SSL Provisioning: SSL certificates are automatically provisioned for configured custom domains.

Test Plan

Tier 1 — Acceptance Tests

• AC1: Configure a custom domain and see it listed as pending verification
• AC2: View DNS configuration instructions with record type, name, and target
• AC3: SSL certificate is automatically provisioned once DNS is verified

Tier 2 — Edge Cases

• Invalid domain format rejected with validation error
• DNS not yet propagated shows pending status with explanation
• Domain already used by another org is rejected
• SSL provisioning failure shows clear status and retry instructions
• Remove custom domain restores default platform domain access

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📄 Full spec: spec/elixir-phoenix-migration/10-product/stories/story-030-multi-domain-support.md