refactor(ci): remove label from Dockerhub; use inline cache

.github/workflows/build_and_push_docker_image.yml

@@ -49,5 +49,5 @@ jobs:
                   push: true
                   tags: "${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest,
                          ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.CURRENT_COMMIT_SHORT_HASH }}"
-                  cache-from: "type=gha"
-                  cache-to: "type=gha,mode=max"
+                  cache-from: "type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest"
+                  cache-to: "type=inline"

.github/workflows/validate_new_changes.yml

@@ -5,6 +5,7 @@ on:
 
 permissions:
     contents: "read"
+    packages: "read"
 
 env:
     REGISTRY: "ghcr.io"
@@ -23,15 +24,22 @@ jobs:
             - name: "Set up Docker Buildx"
               uses: "docker/setup-buildx-action@v3"
 
+            - name: "Login to Docker registry"
+              uses: "docker/login-action@v3"
+              with:
+                  registry: "${{ env.REGISTRY }}"
+                  username: "${{ github.actor }}"
+                  password: "${{ secrets.GITHUB_TOKEN }}"
+
             - name: "Build YAML linter Docker image"
               uses: "docker/build-push-action@v6"
               with:
                   push: false
                   load: true
                   # NOTE: using another name to don't allow docker to download image from the internet in the next step.
                   tags: "local/yaml-linter-pr:latest"
-                  cache-from: "type=gha"
-                  cache-to: "type=gha,mode=max"
+                  cache-from: "type=registry,ref=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest"
+                  cache-to: "type=inline"
 
             - name: "Run local YAML linter"
               run: "docker run --rm -v ${{ github.workspace }}:/linter_workdir/repo local/yaml-linter-pr:latest"

Dockerfile

@@ -1,9 +1,5 @@
 FROM python:3.12.7-alpine
 
-LABEL org.opencontainers.image.description="This image contains preconfigured \
-[YAML linter](https://github.com/adrienverge/yamllint). \
-This linter is used in Articola Tools organization's repositories to lint YAML files like GitHub Actions."
-
 RUN pip install --no-cache-dir yamllint
 
 ADD ./ /linter_workdir