Browse all 9 articles in this open-source series. Nine source-backed lessons on named local URLs, framework launchers, proxy architecture and safe operation, with a 24-case loopback experiment and original diagrams.
Featured starting point
Learn how Portless names development applications, what still listens on a port, and why local HTTPS, branch names and public sharing are separate decisions.
Suggested learning path
01 → 09
Learn how Portless names development applications, what still listens on a port, and why local HTTPS, branch names and public sharing are separate decisions.
Start with a named development app, distinguish proxy and app ports, and diagnose package scripts that cannot receive automatic framework flags.
Plan a repeatable local-development rollout with explicit proxy settings, Node.js compatibility, certificate ownership and reversible service decisions.
Trace launcher registration, per-request routing and HTTP protocol boundaries while separating persisted route management from the proxy library.
Reproduce Portless routing priorities with fixed source and distinguish an exact Tailscale authority from hostname fallback and optional wildcard matching.
Design an honest Portless benchmark around equivalent protocols, backend work, route count and browser behavior without inventing latency or savings.
Understand local and public exposure, why forwarded headers are not trusted identity, and how the pinned internal hosts-sync endpoint authenticates requests.
Compare Portless with manually assigned ports, a team-managed reverse proxy and sharing tools through requirements rather than invented product rankings.
Design a proposed teaching tool that explains matching priority, browser origins and exposure boundaries without silently configuring certificates or sharing apps.
