
SSO (Single Sign-On): One Login for Multiple Services
With 3 services needing separate logins, SSO unified authentication. One login grants access to everything.

With 3 services needing separate logins, SSO unified authentication. One login grants access to everything.
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The moment services split into multiple parts, SSO becomes essential, not optional. For user experience and developer sanity.
Key Lessons:
After building SSO, user complaints disappeared. One login grants access to all services. I escaped the hell of logging in three times. Like an amusement park wristband, one authentication opens all doors.