chore: use maven project.version

.github/workflows/docker-publish.yml

@@ -6,14 +6,13 @@ name: Docker
 # documentation.
 
 on:
-  schedule:
-    - cron: '30 3 * * *'
+  release:
+    types: [ published ]
   push:
-    branches: [ "main" ]
-    # Publish semver tags as releases.
-    tags: [ 'v*.*.*' ]
-  pull_request:
-    branches: [ "main" ]
+    branches:
+      - main
+      - develop
+  workflow_dispatch:
 
 env:
   # Use docker.io for Docker Hub if empty
@@ -41,21 +40,26 @@ jobs:
       # https://github.com/sigstore/cosign-installer
       - name: Install cosign
         if: github.event_name != 'pull_request'
-        uses: sigstore/cosign-installer@59acb6260d9c0ba8f4a2f9d9b48431a222b68e20 #v3.5.0
+        uses: sigstore/[email protected]
         with:
           cosign-release: 'v2.2.4'
 
       # Set up BuildKit Docker container builder to be able to build
       # multi-platform images and export cache
       # https://github.com/docker/setup-buildx-action
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@f95db51fddba0c2d1ec667646a06c2ce06100226 # v3.0.0
+        uses: docker/[email protected]
+
+      - name: Extract mvn project.version variable
+        run: |
+          export VERSION=$(mvn help:evaluate -Dexpression="project.version" -q -DforceStdout)
+          echo "version=$VERSION" >> $GITHUB_ENV
 
       # Login against a Docker registry except on PR
       # https://github.com/docker/login-action
       - name: Log into registry ${{ env.REGISTRY }}
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@343f7c4344506bcbf9b4de18042ae17996df046d # v3.0.0
+        uses: docker/[email protected]
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
@@ -65,7 +69,7 @@ jobs:
       # https://github.com/docker/metadata-action
       - name: Extract Docker metadata
         id: meta
-        uses: docker/metadata-action@96383f45573cb7f253c731d3b3ab81c87ef81934 # v5.0.0
+        uses: docker/[email protected]
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}