Set buildkit env vars

Author: isarkis

.github/workflows/main.yaml

@@ -110,25 +110,25 @@ jobs:
         echo "FLOATING_TAG=${tag}" >> $GITHUB_ENV
     # Handle GitHub registry used for everything other than pull requests off forked repos.
     - name: Login to GitHub Docker Registry ${{env.GITHUB_REGISTRY}}
-      if: ${{ (github.event_name != 'pull_request') || (github.event.pull_request.head.repo.full_name == github.repository) }}
+      if: ${{ github.event.pull_request.head.repo.full_name == github.repository }}
       uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a # v2.1.0
       with:
         registry: ${{ env.GITHUB_REGISTRY }}
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
     - name: Set Docker Tag
       id: set-docker-tag-github
-      if: ${{ (github.event_name != 'pull_request') || (github.event.pull_request.head.repo.full_name == github.repository) }}
+      if: ${{ github.event.pull_request.head.repo.full_name == github.repository }}
       run: |
         echo "DOCKER_TAG=${GITHUB_REGISTRY}/${{ github.repository }}/${DOCKER_SERVICE}:${FULL_GIT_SHA::7}" >> $GITHUB_ENV
         echo "DOCKER_FLOATING_TAG=${GITHUB_REGISTRY}/${{ github.repository }}/${DOCKER_SERVICE}:${FLOATING_TAG}" >> $GITHUB_ENV
       shell: bash
     # Handle Google Artifact Registry used for pull requests off forked repos.
     - name: Set up Cloud SDK
-      if: ${{ (github.event_name == 'pull_request') && (github.event.pull_request.head.repo.fork) }}
+      if: ${{ (github.event_name == 'pull_request') && (github.event.pull_request.head.repo.full_name != github.repository) }}
       uses: isarkis/setup-gcloud@40dce7857b354839efac498d3632050f568090b6 # v1.1.1
     - name: Login to GAR and set tag
-      if: ${{ (github.event_name == 'pull_request') && (github.event.pull_request.head.repo.fork) }}
+      if: ${{ (github.event_name == 'pull_request') && (github.event.pull_request.head.repo.full_name != github.repository) }}
       run: |
         # Need to login to GAR to be able to push images created by fork based PR workflows.
         PROJECT_NAME=$(gcloud config get-value project)

docker-compose.yml

@@ -5,9 +5,6 @@ services:
       context: chrobalt/docker/linux
       cache_from:
         - ghcr.io/youtube/chrobalt_sandbox/linux:latest
-        - type=gha
-      cache_to:
-        - type=gha
     image: ghcr.io/youtube/chrobalt_sandbox/linux:latest
     platform: linux/amd64
     environment: