wip: matrix job

Author: euanh

.github/workflows/pull_request.yml

@@ -59,6 +59,11 @@ jobs:
                 image: registry:2
                 ports:
                     - 5000:5000
+        strategy:
+            matrix:
+                example: 
+                    - HelloWorldVapor
+                    - HelloWorldHummingbird
         steps:
             - name: Checkout repository
               uses: actions/checkout@v4
@@ -77,18 +82,18 @@ jobs:
 
             - name: Build the example
               run: |
-                  cd Examples/HelloWorldHummingbird
+                  cd Examples/${{ matrix.example }}
                   sed -i'.bak' -e '/swift-container-plugin/ s/(url:.*),/(path: "..\/.."),/' Package.swift
                   swift package \
                       --swift-sdk x86_64-swift-linux-musl \
                       --allow-network-connections all \
                       build-container-image \
-                      --repository localhost:5000/hummingbird \
+                      --repository localhost:5000/${{ lower(matrix.example) }} \
                       --from scratch
 
             - name: Run the example
               run: |
-                  docker run -d --platform linux/amd64 -p 8080:8080 localhost:5000/hummingbird
+                  docker run -d --platform linux/amd64 -p 8080:8080 localhost:5000/${{ lower(matrix.example) }}
 
             - name: Check that the service is running
               run: |