build_and_upload.yml

# .github/workflows/build_and_upload.yml
name: Build and Upload

on: [push]

jobs:
  build:
    strategy:
      matrix:
        include:
          - os: ubuntu-latest
            target: x86_64-unknown-linux-musl
            dir: musl
          - os: windows-latest
            target: x86_64-pc-windows-msvc
            dir: windows
          - os: macos-latest
            target: x86_64-apple-darwin
            dir: macos

    runs-on: ${{ matrix.os }}

    steps:
      - name: Checkout code
        uses: actions/checkout@v2

      # Install prerequisites
      - name: Install musl-tools (Linux)
        if: matrix.os == 'ubuntu-latest'
        run: sudo apt-get install -y musl-tools

      # Setup Rust
      - name: Install Rust
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          override: true
          target: ${{ matrix.target }}

      # Caching
      - name: Cache cargo registry
        uses: actions/cache@v2
        with:
          path: ~/.cargo/registry
          key: ${{ runner.os }}-cargo-registry

      - name: Cache cargo index
        uses: actions/cache@v2
        with:
          path: ~/.cargo/git
          key: ${{ runner.os }}-cargo-git

      - name: Cache cargo build
        uses: actions/cache@v2
        with:
          path: target
          key: ${{ runner.os }}-cargo-build-target

      # Build steps for each specific application, including conditions for OS
      - name: Build geph5-client (Linux)
        if: matrix.os == 'ubuntu-latest'
        run: cargo build --locked --release --target x86_64-unknown-linux-musl --manifest-path binaries/geph5-client/Cargo.toml

      - name: Build geph5-client (Windows)
        if: matrix.os == 'windows-latest'
        run: cargo build --locked --release --target x86_64-pc-windows-msvc --manifest-path binaries/geph5-client/Cargo.toml

      - name: Build geph5-client (macOS)
        if: matrix.os == 'macos-latest'
        run: cargo build --locked --release --target x86_64-apple-darwin --manifest-path binaries/geph5-client/Cargo.toml

      - name: Move binaries
        run: |
          mkdir artifacts
          if [ "${{ matrix.os }}" = "ubuntu-latest" ]; then mv target/x86_64-unknown-linux-musl/release/geph5-client artifacts; fi
          if [ "${{ matrix.os }}" = "windows-latest" ]; then mv target/x86_64-pc-windows-msvc/release/geph5-client.exe artifacts; fi
          if [ "${{ matrix.os }}" = "macos-latest" ]; then mv target/x86_64-apple-darwin/release/geph5-client artifacts; fi
        shell: bash

      # Upload to Cloudflare R2
      - name: Upload to Cloudflare R2
        uses: ryand56/r2-upload-action@v1.2.2
        with:
          r2-account-id: ${{ secrets.R2_ACCOUNT_ID }}
          r2-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
          r2-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          r2-bucket: geph5
          source-dir: ./artifacts/
          destination-dir: ./${{ matrix.dir }}-latest