Enhance CI workflow by adding pip cache directory setup and improving image build conditions

.github/workflows/ci.yml

@@ -9,6 +9,8 @@ on:
 
 jobs:
   test:
+    env:
+      RUNNER_TOOL_CACHE: /toolcache
     runs-on: ubuntu-latest
     strategy:
       matrix:
@@ -22,12 +24,17 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
+      - name: Locate pip cache directory
+        id: pip-cache-dir
+        run: echo "dir=$(python -m pip cache dir)" >> "$GITHUB_OUTPUT"
+
       - name: Cache pip
         uses: actions/cache@v4
         with:
-          path: ~/.cache/pip
+          path: ${{ steps.pip-cache-dir.outputs.dir }}
-          key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
+          key: ${{ runner.os }}-py-${{ matrix.python-version }}-pip-${{ hashFiles('**/requirements.txt') }}
           restore-keys: |
+            ${{ runner.os }}-py-${{ matrix.python-version }}-pip-
             ${{ runner.os }}-pip-
 
       - name: Install dependencies
@@ -47,18 +54,40 @@ jobs:
       #     path: tests
 
   build-image:
-    if: github.ref == 'refs/heads/main' || github.event_name == 'workflow_dispatch'
     runs-on: ubuntu-latest
     needs: test
+    env:
+      DEFAULT_BRANCH: main
+      REGISTRY_URL: ${{ secrets.REGISTRY_URL }}
+      REGISTRY_USERNAME: ${{ secrets.REGISTRY_USERNAME }}
+      REGISTRY_PASSWORD: ${{ secrets.REGISTRY_PASSWORD }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Collect workflow metadata
+        id: meta
+        shell: bash
+        run: |
+          ref_name="${GITHUB_REF_NAME:-${GITHUB_REF##*/}}"
+          event_name="${GITHUB_EVENT_NAME:-}"
+          sha="${GITHUB_SHA:-}"
+
+          if [ "$ref_name" = "${DEFAULT_BRANCH:-main}" ]; then
+            echo "on_default=true" >> "$GITHUB_OUTPUT"
+          else
+            echo "on_default=false" >> "$GITHUB_OUTPUT"
+          fi
+
+          echo "ref_name=$ref_name" >> "$GITHUB_OUTPUT"
+          echo "event_name=$event_name" >> "$GITHUB_OUTPUT"
+          echo "sha=$sha" >> "$GITHUB_OUTPUT"
+
       - name: Set up QEMU and Buildx
         uses: docker/setup-buildx-action@v3
 
       - name: Log in to registry (best-effort)
-        if: ${{ github.ref == 'refs/heads/main' }}
+        if: ${{ steps.meta.outputs.on_default == 'true' }}
         uses: docker/login-action@v3
         continue-on-error: true
         with:
@@ -71,14 +100,14 @@ jobs:
         with:
           context: .
           file: Dockerfile
-          push: ${{ github.ref == 'refs/heads/main' && github.event_name != 'pull_request' && (secrets.REGISTRY_URL != '' && secrets.REGISTRY_USERNAME != '' && secrets.REGISTRY_PASSWORD != '') }}
+          push: ${{ steps.meta.outputs.on_default == 'true' && steps.meta.outputs.event_name != 'pull_request' && (secrets.REGISTRY_URL != '' && secrets.REGISTRY_USERNAME != '' && secrets.REGISTRY_PASSWORD != '') }}
           tags: |
             ${{ secrets.REGISTRY_URL }}/allucanget/contact.allucanget.biz:latest
-            ${{ secrets.REGISTRY_URL }}/allucanget/contact.allucanget.biz:${{ github.sha }}
+            ${{ secrets.REGISTRY_URL }}/allucanget/contact.allucanget.biz:${{ steps.meta.outputs.sha }}
 
       - name: Upload built image metadata
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v3
         with:
           name: image-build-info
           path: .