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This document provides a design template for implementing secure authentication with backend-enforced two-factor authentication (2FA) and OAuth2 SSO integration. The pattern demonstrates how to build authentication that cannot be bypassed…
How Migrations Work (Technical Overview)
Migration System Architecture:
EF Core compares your current model (from DbContext) with the snapshot (*ModelSnapshot.cs)
Differences generate migration operations via MigrationBuilder
Each migration is a class inheriting…
Free SSL certificates for Docker Compose + Nginx. No Certbot required.
Certificate Architecture
Edge Certificate (Cloudflare ↔ Visitors): 3-month validity, auto-renewed Origin Certificate (Cloudflare ↔ Server): 15-year validity, manual setup…
Recommended Approach: Trust the Root CA Certificate
Step 1: Identify the Certificate Chain Issue
First, diagnose what's actually missing:
openssl s_client -showcerts -connect git.example.internal:443 </dev/null 2>/dev/null
Look for the entire certificate…
This comprehensive guide walks you through migrating a WordPress site from shared hosting to a VPS and optimizing it for maximum performance.
1. Prerequisites
What You'll Need:
VPS Server (e.g., Hetzner,…