Update: Build instructions for just

README.md

@@ -85,16 +85,28 @@ Lookup order:
 2) `data/` next to the CLI binary
 3) `data/` in the current working directory
 
-## Build and package
+## Build
+
+### Only build binary
 ```bash
-cmake -S . -B build
-cmake --build build
-cmake --build build --target package
+cargo build --release
 ```
 
-Install:
+### Build and package
+1. Prepare GeoLite2 databases (required `GeoLite2-ASN.mmdb` and `GeoLite2-Country.mmdb` ):
+
 ```bash
-cmake --build build --target install
+# Place your mmdb files under data/
+mkdir data
+```
+
+> **Note**: This step requires `python3` and `just`.
+
+2. Use `just` to run build and package command (Note: you don't need bash environment on windows):
+
+```bash
+# You will find package under dist/, zip file on windows, tar.gz file on linux
+just release
 ```
 
 ## HTTP/3 (experimental)