Merge branch 'master' into sho/docker

.github/workflows/ci.yml

@@ -15,14 +15,14 @@ jobs:
     strategy:
       matrix:
         java-version: [ 11 ]
-        node-version: [ 12.x ]
+        node-version: [ 20.x ]
 
     steps:
     # Checkout the repository of both elk and elkjs, place them next to each other. 
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
       with:
         path: elk-live
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
       with:
         repository: eclipse/elk-models
         path: elk-live/elk-models
@@ -34,19 +34,20 @@ jobs:
         key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
         restore-keys: ${{ runner.os }}-gradle
     - name: Cache npm 
-      uses: actions/cache@v1
+      uses: actions/cache@v4
       with:
         path: ~/.npm
         key: ${{ runner.os }}-node-${{ hashFiles('**/package.json', '**/yarn.lock') }}
         restore-keys: ${{ runner.os }}-node-
     - name: Set up JDK ${{ matrix.java-version }}
-      uses: actions/setup-java@v1
+      uses: actions/setup-java@v4
       with:
+        distribution: 'zulu'
         java-version: ${{ matrix.java-version }}
     - name: Grant execute permission for gradlew
       run: chmod +x $GITHUB_WORKSPACE/elk-live/server/gradlew
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v4
       with:
         node-version: ${{ matrix.node-version }}
     # Build client-side code

.github/workflows/publish-docker.yml

@@ -0,0 +1,76 @@
+name: build-and-publish-docker
+
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+on:
+  push:
+    branches: ["master"]
+
+  pull_request:
+    branches: ["master"]
+
+env:
+  # Use docker.io for Docker Hub if empty
+  REGISTRY: ghcr.io
+  # github.repository as <account>/<repo>
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      # This is used to complete the identity challenge
+      # with sigstore/fulcio when running outside of PRs.
+      id-token: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      # Workaround: https://github.com/docker/build-push-action/issues/461
+      - name: Setup Docker buildx
+        uses: docker/setup-buildx-action@v3
+
+      # 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@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      # Extract metadata (tags, labels) for Docker
+      # https://github.com/docker/metadata-action
+      - name: Extract Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      # Build and push Docker image with Buildx (don't push on PR)
+      # https://github.com/docker/build-push-action
+      - name: Build and push Docker image
+        id: build-and-push
+        uses: docker/build-push-action@v5
+        with:
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Clean container registry
+        uses: actions/delete-package-versions@v5
+        with:
+          package-name: "elk-live"
+          package-type: "container"
+          min-versions-to-keep: 3
+          token: ${{ secrets.GITHUB_TOKEN }}