ci: switch Linux release builds to musl for static binaries

- Change Linux targets from gnu to musl (x86_64-unknown-linux-musl,
  aarch64-unknown-linux-musl) for fully static binaries that run on
  any Linux regardless of glibc version
- Switch reqwest from native-tls to rustls-tls to eliminate OpenSSL
  dependency (required for musl, pure Rust TLS)
- Add musl-tools installation step in release workflow
- Update CI docs with musl details

Author: Sweattypalms

.github/workflows/release.yml

@@ -42,9 +42,9 @@ jobs:
       matrix:
         include:
           - os: ubuntu-latest
-            target: x86_64-unknown-linux-gnu
+            target: x86_64-unknown-linux-musl
           - os: ubuntu-24.04-arm
-            target: aarch64-unknown-linux-gnu
+            target: aarch64-unknown-linux-musl
           - os: windows-latest
             target: x86_64-pc-windows-msvc
           - os: macos-14
@@ -59,6 +59,9 @@ jobs:
       - uses: Swatinem/rust-cache@v2
         with:
           shared-key: "ferrumc"
+      - name: Install musl-tools
+        if: runner.os == 'Linux'
+        run: sudo apt-get update && sudo apt-get install -y musl-tools
       - name: Build
         run: cargo build --profile production --target ${{ matrix.target }} --all-features
       - name: Package (Linux/macOS)

Cargo.toml

@@ -169,7 +169,7 @@ rusty_pool = "0.7.0"
 crossbeam-queue = "0.3.12"
 
 # Network
-reqwest = { version = "0.13.1", features = ["json", "native-tls", "blocking", "http2"], default-features = false }
+reqwest = { version = "0.13.1", features = ["json", "rustls-tls", "blocking", "http2"], default-features = false }
 
 # Error handling
 thiserror = "2.0.18"

docs/ci/README.md

@@ -31,8 +31,8 @@ Both jobs run in parallel with no dependency between them.
 
 | OS | Target | Archive Format |
 |---|---|---|
-| `ubuntu-latest` | `x86_64-unknown-linux-gnu` | `.tar.gz` |
-| `ubuntu-24.04-arm` | `aarch64-unknown-linux-gnu` | `.tar.gz` |
+| `ubuntu-latest` | `x86_64-unknown-linux-musl` | `.tar.gz` |
+| `ubuntu-24.04-arm` | `aarch64-unknown-linux-musl` | `.tar.gz` |
 | `windows-latest` | `x86_64-pc-windows-msvc` | `.zip` |
 | `macos-14` | `aarch64-apple-darwin` | `.tar.gz` |
 
@@ -41,7 +41,9 @@ Both jobs run in parallel with no dependency between them.
 Archives: `ferrumc-{tag}-{target}.tar.gz` (or `.zip` for Windows)
 Checksums: `ferrumc-{tag}-{target}.tar.gz.sha256` (or `.zip.sha256`)
 
-Example: `ferrumc-v1.0.0-x86_64-unknown-linux-gnu.tar.gz`
+Example: `ferrumc-v1.0.0-x86_64-unknown-linux-musl.tar.gz`
+
+Linux binaries are statically linked via musl libc, so they run on any Linux distribution regardless of glibc version. The `musl-tools` package is installed during CI builds. The project uses `rustls-tls` (pure Rust) instead of `native-tls` (OpenSSL) to avoid native library dependencies.
 
 #### Platform-Specific Packaging