Add optional disk cache and bump to v0.1.2

.gitignore

@@ -4,4 +4,6 @@
 *~
 .DS_Store
 config.toml
+test_config.toml
+cache/
 

CHANGELOG.md

@@ -7,6 +7,22 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.1.2] - 2026-02-10
+
+### Added
+- **Optional nginx-like disk cache**: Persistent disk-based cache for media files
+  - New `disk_cache_enabled` configuration option (default: false)
+  - New `disk_cache_path` configuration option to specify cache directory (default: ./cache)
+  - New `disk_cache_max_size` configuration option to limit disk space usage (default: 1GB)
+  - Automatic LRU eviction when disk cache size limit is reached
+  - TTL-based expiration using file metadata
+  - Atomic file writes to prevent cache corruption
+  - Fallback chain: memory cache → disk cache → upstream fetch
+  - Cache statistics in `/metrics` endpoint now include disk cache metrics
+
+### Changed
+- Bumped version from 0.1.1 to 0.1.2
+
 ## [0.1.1] - 2026-02-09
 
 ### Fixed
@@ -29,6 +45,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 - Initial implementation
 
-[Unreleased]: https://github.com/BlockG-ws/akkoproxy/compare/v0.1.1...HEAD
+[Unreleased]: https://github.com/BlockG-ws/akkoproxy/compare/v0.1.2...HEAD
+[0.1.2]: https://github.com/BlockG-ws/akkoproxy/compare/v0.1.1...v0.1.2
 [0.1.1]: https://github.com/BlockG-ws/akkoproxy/compare/v0.1.0...v0.1.1
 [0.1.0]: https://github.com/BlockG-ws/akkoproxy/releases/tag/v0.1.0

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "akkoproxy"
-version = "0.1.1"
+version = "0.1.2"
 edition = "2021"
 authors = ["Akkoproxy Contributors"]
 description = "A fast caching and optimization media proxy for Akkoma/Pleroma"
@@ -25,6 +25,7 @@ libavif = { version = "0.12", optional = true }
 
 # Configuration
 serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
 toml = "0.8"
 
 # Caching
@@ -41,9 +42,15 @@ http-body-util = "0.1"
 url = "2.5"
 clap = { version = "4.5", features = ["derive"] }
 ipnetwork = "0.20"
+sha2 = "0.10"
+hex = "0.4"
+walkdir = "2.4"
 
 [profile.release]
 opt-level = 3
 lto = "thin"
 codegen-units = 1
 strip = true
+
+[dev-dependencies]
+tempfile = "3.8"