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Configure OAuth providers (Google, Apple, Microsoft, Facebook, GitHub, etc.) to work with portless local dev URLs. Use when setting up OAuth redirect URIs,…
OAuth with Portless OAuth providers validate redirect URIs against domain rules. .localhost subdomains fail on most providers because they are not in the Public Suffix List or are explicitly blocked. Portless fixes this with --tld to serve apps on real, valid domains. The Problem When portless uses the default .localhost TLD, OAuth providers reject redirect URIs like http://myapp.localhost:1355/callback: Provider localhost .localhost subdomains Reason Google Allowed Rejected Not in their bundled PSL Apple Rejected Rejected No localhost at all Microsoft Allowed Allowed Permissive localhost handling Facebook Allowed Varies Must register each URI exactly GitHub Allowed Allowed Permissive Google and Apple are the strictest. Microsoft and GitHub are more lenient with localhost. The Fix
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