refactor: Move creation of nginx image to separate job

.github/workflows/deploy.yaml

@@ -27,19 +27,19 @@ jobs:
         id: detect
         run: |
           echo "changed_envs=$(git diff --name-only ${{ github.event.before }} ${{ github.sha }} | grep '^docker/' | cut -d/ -f2 | sort -u | tr '\n' ' ')" >> "$GITHUB_OUTPUT"
-  deploy:
-    name: Deploy
+  create-nginx:
+    name: Build Nginx image
     runs-on: ubuntu-latest
     needs: fact-finding
-    strategy:
-      matrix:
-        env: [ test ]
-    environment: ${{ matrix.env }}
     permissions:
       contents: read
       packages: write
       attestations: write
       id-token: write
+    strategy:
+      matrix:
+        env: [ test ]
+    environment: ${{ matrix.env }}
     steps:
       - uses: actions/checkout@v4
       - name: Exit if this environment wasn't changed
@@ -84,6 +84,18 @@ jobs:
         with:
           subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           subject-digest: ${{ steps.push.outputs.digest }}
+  deploy:
+    name: Deploy
+    runs-on: ubuntu-latest
+    needs:
+      - fact-finding
+      - create-nginx
+    strategy:
+      matrix:
+        env: [ test ]
+    environment: ${{ matrix.env }}
+    steps:
+      - uses: actions/checkout@v4
       - name: Copy files to remote
         if: steps.check.outputs.should_deploy == 'true'
         uses: burnett01/rsync-deployments@7.0.2