try shared build

Author: simi

.github/workflows/ci.yml

@@ -82,6 +82,14 @@ jobs:
     - name: Build release
       run: cargo build --release
 
+    - name: Upload Linux release binary (for other jobs)
+      if: matrix.os == 'ubuntu-latest'
+      uses: actions/upload-artifact@v4
+      with:
+        name: rb-linux-release
+        path: target/release/rb
+        retention-days: 1
+
   docker-build:
     name: Build and Push Docker Test Image
     runs-on: ubuntu-latest
@@ -123,19 +131,14 @@ jobs:
     steps:
     - uses: actions/checkout@v4
 
-    - name: Install Rust
-      uses: dtolnay/rust-toolchain@stable
+    - name: Download Linux release binary
+      uses: actions/download-artifact@v4
       with:
-        toolchain: 1.90.0
+        name: rb-linux-release
+        path: target/release/
 
-    - name: Cache cargo registry
-      uses: actions/cache@v4
-      with:
-        path: |
-          ~/.cargo/registry
-          ~/.cargo/git
-          target
-        key: ubuntu-latest-cargo-${{ hashFiles('**/Cargo.lock') }}
+    - name: Make binary executable
+      run: chmod +x target/release/rb
 
     - name: Log in to GitHub Container Registry
       uses: docker/login-action@v3
@@ -144,9 +147,6 @@ jobs:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
 
-    - name: Build Ruby Butler
-      run: cargo build --release
-    
     - name: Try to pull Docker test image
       run: |
         docker compose pull