Dependabot + workflow updates.

Author: vladd-bit

.github/dependabot.yml

@@ -0,0 +1,13 @@
+version: 2
+updates:
+  # Keep GitHub Actions (in .github/workflows) up to date
+  - package-ecosystem: "github-actions"
+    directory: "/"  # this is correct even if workflows are in .github/workflows
+    schedule:
+      interval: "weekly"
+
+  # Keep Dockerfile base images (in repo root) up to date
+  - package-ecosystem: "docker"
+    directory: "/"  # root directory where your Dockerfiles live
+    schedule:
+      interval: "weekly"

.github/workflows/docker-jupyter-hub.yml

@@ -54,17 +54,11 @@ jobs:
         with:
           images: cogstacksystems/jupyter-hub:latest
 
-      - uses: actions/checkout@v3
       - name: Get and set release version env var
         id: release_version
         run: |
              echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
-             echo "::set-output name=RELEASE_VERSION::$RELEASE_VERSION"
-             
-      - name: set docker release tag name
-        id: set_release_version
-        if: ${{ github.ref == 'refs/heads/main' }}
-        run: echo "RELEASE_VERSION=${RELEASE_VERSION#?}" >> $GITHUB_ENV
+             echo "RELEASE_VERSION=$RELEASE_VERSION" >> $GITHUB_OUTPUT
 
       - name: set docker release tag name
         id: set_release_version_latest
@@ -79,7 +73,5 @@ jobs:
         run: |
           docker build --platform linux/${{ matrix.platform }} -t cogstacksystems/jupyter-hub:$RELEASE_VERSION-${{ matrix.platform }} -f Dockerfile_hub --build-arg CPU_ARCHITECTURE=${{ matrix.platform }} .
           docker push cogstacksystems/jupyter-hub:$RELEASE_VERSION-${{ matrix.platform }}
-          echo "::set-output name=digest::$(docker images --digests --format '{{.Digest}}' cogstacksystems/jupyter-hub | head -n 1)" >> $GITHUB_OUTPUT
-
-      - name: Image digest
-        run: echo ${{ steps.docker_build.outputs.digest }}
+          DIGEST=$(docker images --digests --format '{{.Digest}}' cogstacksystems/jupyter-hub | head -n 1)
+          echo "digest=$DIGEST" >> $GITHUB_OUTPUT

.github/workflows/submodule_sync.yml

@@ -43,4 +43,4 @@ jobs:
         git config --global user.name 'Git bot'
         git config --global user.email 'bot@noreply.github.com'
         git remote set-url origin https://x-access-token:${{ github.token }}@github.com/${{ github.repository }}
-        git commit -am "Auto updated submodule references" && git push || echo "No changes to commit"
+        git commit -am "Auto updated submodule references" && git push || echo "No changes to commit"