booking: adding booking-rbe-worker image

Extending the gcr.io/bazel-public/ubuntu2204-java17 with some extra
tooling we need to build in our RBE cluster

.github/workflows/main.yaml

@@ -20,6 +20,16 @@ jobs:
       contents: read
       packages: write
       #
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - dockerfile: ./sysbox/Dockerfile
+            context: sysbox
+            image: engflow-sysbox
+          - dockerfile: ./booking-rbe-worker/Dockerfile
+            context: booking-rbe-worker
+            image: ubuntu-rbe-worker
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -35,14 +45,15 @@ jobs:
         id: meta
         uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
         with:
-          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          images: ${{ env.REGISTRY }}/${{ github.repository_owner}}/${{ matrix.image }}
       # This step uses the `docker/build-push-action` action to build the image, based on your repository's `Dockerfile`. If the build succeeds, it pushes the image to GitHub Packages.
       # It uses the `context` parameter to define the build's context as the set of files located in the specified path. For more information, see "[Usage](https://github.com/docker/build-push-action#usage)" in the README of the `docker/build-push-action` repository.
       # It uses the `tags` and `labels` parameters to tag and label the image with the output from the "meta" step.
-      - name: Build and push Docker image
+      - name: Build and push sysbox Docker image
         uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
         with:
-          context: .
+          context: ${{ matrix.context }}
+          file: ${{ matrix.dockerfile }}
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}

booking-rbe-worker/Dockerfile

@@ -0,0 +1,4 @@
+FROM gcr.io/bazel-public/ubuntu2204-java17
+
+RUN apt-get update -yq
+RUN apt-get install -yq ca-certificates curl gnupg rsync