one more try

.gitea/workflows/docker-build.yml

@@ -2,37 +2,15 @@ name: Build and Push Docker Images
 
 on:
   push:
-    branches: [ main ]
+    branches: [ main, master ]
     paths:
       - '*/Dockerfile'
       - '.gitea/workflows/docker-build.yml'
 
 jobs:
-  detect-changes:
-    runs-on: ubuntu-latest
-    container: git.hofer.link/philipp/ci-images:rust-latest
-    outputs:
-      matrix: ${{ steps.set-matrix.outputs.matrix }}
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-
-      - name: Detect changed directories
-        id: set-matrix
-        run: |
-          CHANGED_DIRS=$(git diff --name-only ${{ github.event.before }} ${{ github.sha }} | grep 'Dockerfile' | xargs -L1 dirname | sort | uniq | jq -R -s -c 'split("\n") | map(select(length > 0))')
-          echo "matrix=${CHANGED_DIRS}" >> $GITHUB_OUTPUT
-
   build:
-    needs: detect-changes
-    if: ${{ needs.detect-changes.outputs.matrix != '[]' && needs.detect-changes.outputs.matrix != '' }}
     runs-on: ubuntu-latest
     container: git.hofer.link/philipp/ci-images:rust-latest
-    strategy:
-      matrix:
-        image_dir: ${{ fromJson(needs.detect-changes.outputs.matrix) }}
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
@@ -44,16 +22,26 @@ jobs:
           username: ${{ secrets.GITEA_USERNAME }}
           password: ${{ secrets.GITEA_PASSWORD }}
 
-      - name: Extract image name from directory
-        id: image-name
+      - name: Find changed Dockerfiles
+        id: find-changes
         run: |
-          IMAGE_NAME=$(basename ${{ matrix.image_dir }})
-          echo "name=${IMAGE_NAME}" >> $GITHUB_OUTPUT
+          # Get list of changed files
+          CHANGED_FILES=$(git diff --name-only ${{ github.event.before }} ${{ github.sha }} || git diff --name-only HEAD~1 HEAD)
+
+          # Find directories with changed Dockerfiles
+          for file in $CHANGED_FILES; do
+            if [[ $file == */Dockerfile ]]; then
+              dir=$(echo $file | sed 's/\/Dockerfile$//')
+              echo "Building image for directory: $dir"
+
+              # Extract image name from directory
+              IMAGE_NAME=$(basename $dir)
+              echo "Building image: $IMAGE_NAME"
+
+              # Build and push the Docker image
+              docker build -t git.hofer.link/philipp/ci-images:$IMAGE_NAME $dir
+              docker push git.hofer.link/philipp/ci-images:$IMAGE_NAME
+            fi
+          done
 
-      - name: Build and push
-        uses: docker/build-push-action@v4
-        with:
-          context: ${{ matrix.image_dir }}
-          push: true
-          tags: git.hofer.link/philipp/ci-images:${{ steps.image-name.outputs.name }}