Blog
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Auth in Rust: Argon2id, JWT, TOTP, and API Keys
Building a complete authentication system in Rust: Argon2id password hashing, HS256 JWT tokens, TOTP 2FA with backup codes, API key generation, and AES-256-GCM encryption.
Backup Engine: AES-256-GCM, 13 Storage Providers, and FTP Nightmares
Building a backup engine with pluggable storage, AES-256-GCM encryption, 13 storage providers via OpenDAL -- and the IPv6 FTP bug that forced us to write our own client.
#084 -- Charts and Data Visualization Components
How FlinUI's 25 chart components render data visualizations with pure FLIN markup -- from line charts to treemaps, all declarative, reactive, and zero-dependency.
#103 -- WebSocket Support Built Into the Language
How FLIN provides native WebSocket support through ws route blocks -- real-time communication without Socket.IO, without ws, without a separate server.
Blue-Green Deploys: Building a Zero-Downtime Pipeline in Rust
The 8-step deploy pipeline that powers sh0: clone, analyze, build, deploy, health check, route, swap, and cleanup -- with blue-green container swaps and automatic disk management.
#128 -- R2 and Google Cloud Storage Backends
Implementing Cloudflare R2 and Google Cloud Storage backends for FLIN file storage.
#147 -- The Duplicate Opcode That Almost Broke Everything
How a duplicate CreateMap opcode at lines 1378 and 4796 nearly caused silent data corruption.
#156 -- The CreateEntity Opcode That Went Missing
A critical opcode vanished from the VM dispatch table. This is the story of how we found it.
#202 -- The Admin Console From Scratch
Building a complete admin console from scratch in the final sessions.
#003 -- Naming a Language After an Elephant: The Fongbe Origin of FLIN
FLIN's name comes from Fongbe (Benin): 'E flin nu' means 'It remembers things.' The elephant never forgets.
Taming Caddy as a Programmatic Reverse Proxy
How we turned Caddy into a fully programmatic reverse proxy managed via its Admin API, with automatic SSL, route syncing, and crash recovery.
The Deploy Hub: 183 Options, One Page
How we built a Softaculous-style deploy hub with 183 options across 5 categories, 7 deploy form components, and a split-panel UX.