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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

0.2.0 - 2026-04-14

Added

  • Hot-reload configuration: Proxy now uses Arc<RwLock<Config>> internally, enabling live config updates without restart
  • Proxy::from_shared(config) — create a proxy from an existing shared config handle
  • Proxy::shared_config() — get a clone of the Arc<RwLock<Config>> for external use (e.g. API server)
  • Proxy::config_snapshot() — async method to read current config as an owned value
  • Deserialize support for Config, SiteConfig, and Directive models (via api feature)
  • Proper JSON error responses for POST /config with "status": "error" and descriptive messages

Changed

  • POST /config now actually updates the configuration (was only logging before)
  • Proxy::update_config() is now async fn update_config(&self, config) (was fn update_config(&mut self, config))
  • Proxy::config() replaced with async fn config_snapshot(&self) (returns owned Config instead of reference)
  • API and proxy server share the same Arc<RwLock<Config>> instance — updates are immediately visible to new connections
  • Header directives now properly process placeholders ({uuid}, {header.Name}, {env.VAR})

Fixed

  • POST /config endpoint was returning success without applying changes (#11)
  • Header placeholders ({uuid}, {header.Name}, {env.VAR}) were not being processed in header directive (#9)
  • Request forwarding issues in proxy handler (#10)

0.1.0 - 2026-04-01

Added

  • Core reverse proxy functionality with streaming response support (SSE-friendly)
  • Embeddable library mode for use in Rust applications
  • CLI mode for standalone execution
  • Caddy-like configuration syntax parsing
  • Path-based routing with wildcard support (/api/*)
  • Header manipulation directives (header)
  • URI rewriting (uri_replace)
  • HTTP and HTTPS backend support via hyper-tls
  • Method-based routing (method GET POST { ... })
  • Direct responses (respond 200 "OK")
  • Authentication module:
    • Header value substitution ({header.Name}, {env.VAR}, {uuid})
    • Remote IP extraction from X-Forwarded-For / X-Real-IP
    • External token validation helper
  • Management REST API:
    • GET /config - view current configuration
    • POST /config - update configuration
    • GET /health - health check endpoint
  • Connection pooling with configurable limits
  • Automatic concurrency limiting (default: CPU cores × 256)
  • Graceful shutdown via SIGTERM/SIGINT
  • Feature flags for modular builds:
    • cli - CLI dependencies and binary
    • tls - HTTPS backend support
    • api - Management API
  • GitHub Actions CI/CD:
    • Automated testing and linting
    • Multi-platform release builds (Linux, macOS, Windows)
    • Automatic crates.io publishing
    • GitHub Release creation
  • Example programs for library usage