- Docker healthcheck: Use Node.js instead of curl (not installed in slim image)
- Pricing: Change from USD ($) to EUR (€) in frontend and backend Stripe integration
- Static assets: Add Cache-Control headers (1 day) for /public and /docs files
- Remove duplicate text/html from nginx gzip_types (fixes nginx -t warning)
- Update hardcoded API version from 0.2.0 to 0.2.1 to match package.json
- Update logrotate config: daily rotation, 7 days retention, improved postrotate
- Add Docker logging configuration with size/file limits
- Replace JSON file storage with PostgreSQL (pg package)
- Add db.ts service for connection pool and schema init
- Rewrite keys.ts, verification.ts, usage.ts for async PostgreSQL
- Update all routes for async function signatures
- Add migration script (scripts/migrate-to-postgres.mjs)
- Update docker-compose.yml with DATABASE_* env vars
- Change SLA from 99.9% to 99.5% in landing page
- Launch BROWSER_COUNT separate Chromium instances (default: 2)
- Each with PAGES_PER_BROWSER pages (default: 8, 16 total)
- Round-robin distribution across browser instances
- Independent restart scheduling per browser
- Updated health endpoint to show per-browser stats
- docker-compose: added BROWSER_COUNT and PAGES_PER_BROWSER env vars
- Replace Resend email service with nodemailer via local postfix relay
- Remove code field from POST /v1/signup/free response
- Send 6-digit verification code via email only (noreply@docfast.dev)
- Add extra_hosts for Docker-to-host SMTP relay
- Fire-and-forget email sending to avoid blocking API response
- Signup now requires email verification before API key is revealed
- Verification token sent via email (Resend) with console fallback
- GET /verify?token=xxx shows API key in styled HTML page
- Handles expired (24h), invalid, and already-verified tokens
- Frontend modal shows 'check your email' instead of key
- Keeps existing rate limiting
- Added /v1/signup/free endpoint for instant API key provisioning
- Built unified key store (services/keys.ts) with file-based persistence
- Refactored auth middleware to use key store (no more hardcoded env keys)
- Refactored usage middleware to check key tier from store
- Updated billing to use key store for Pro key provisioning
- Landing page: replaced mailto: link with signup modal
- Landing page: Pro checkout button now properly calls /v1/billing/checkout
- Added Docker volume for persistent key storage
- Success page now renders HTML instead of raw JSON
- Tested: signup → key → PDF generation works end-to-end
