Add SSL/TLS support with Certbot and update deployment guide
- nginx/ssl.conf: full HTTPS config with HTTP→HTTPS redirect, modern TLS
settings, HSTS header, and ACME challenge passthrough for renewals
- nginx/certbot-init.conf: minimal HTTP config for initial cert provisioning
- docker-compose.ssl.yml: compose override adding port 443, certbot volumes,
and auto-renewal sidecar container
- docs/DEPLOYMENT.md: comprehensive 3-phase SSL walkthrough (obtain cert,
enable SSL, auto-renewal) with day-to-day usage and revert instructions
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
olsch01
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