feat: Runner image variants, CI improvements

- Added easily doable variants for runners, with simple CI build matrix.
- Added playsite in CI builds finally.
- Some CI formatting and naming fixes.

.github/workflows/runner-bases.yml

@@ -0,0 +1,78 @@
+name: Build Nestri runner base images
+
+on: [ workflow_call ]
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: nestrilabs/nestri
+  BASE_IMAGE: docker.io/cachyos/cachyos:latest
+
+# This makes our release ci quit prematurely
+# concurrency:
+#     group: ci-${{ github.ref }}
+#     cancel-in-progress: true
+
+jobs:
+  build-and-push-bases:
+    name: Build and push images
+    if: ${{ github.ref == 'refs/heads/production' || github.ref == 'refs/heads/dev' }}
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    strategy:
+      matrix:
+        variant:
+          - { suffix: "", base: "docker.io/cachyos/cachyos:latest" }
+          - { suffix: "v3", base: "docker.io/cachyos/cachyos-v3:latest" }
+          #- { suffix: "v4", base: "docker.io/cachyos/cachyos-v4:latest" } # Disabled until GHA has this
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+      - name: Log into registry ${{ env.REGISTRY }}
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ github.token }}
+      - name: Setup Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Set Swap Space
+        uses: pierotofy/set-swap-space@master
+        with:
+          swap-size-gb: 20
+      - name: Build and push runner-base image
+        uses: docker/build-push-action@v6
+        with:
+          file: containerfiles/runner-base.Containerfile
+          context: ./
+          push: true
+          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/runner-base:latest-${{ matrix.variant.suffix }}
+          build-args: |
+            BASE_IMAGE=${{ matrix.variant.base }}
+          cache-from: type=gha,scope=runner-base-${{ matrix.variant.suffix }},mode=max
+          cache-to: type=gha,scope=runner-base-${{ matrix.variant.suffix }},mode=max
+          pull: true
+      - name: Build and push runner-builder image
+        uses: docker/build-push-action@v6
+        with:
+          file: containerfiles/runner-builder.Containerfile
+          context: ./
+          push: true
+          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/runner-builder:latest-${{ matrix.variant.suffix }}
+          build-args: |
+            RUNNER_BASE_IMAGE=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/runner-base:latest-${{ matrix.variant.suffix }}
+          cache-from: type=gha,scope=runner-builder-${{ matrix.variant.suffix }},mode=max
+          cache-to: type=gha,scope=runner-builder-${{ matrix.variant.suffix }},mode=max
+      - name: Build and push runner-common image
+        uses: docker/build-push-action@v6
+        with:
+          file: containerfiles/runner-common.Containerfile
+          context: ./
+          push: true
+          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/runner-common:latest-${{ matrix.variant.suffix }}
+          build-args: |
+            RUNNER_BASE_IMAGE=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/runner-base:latest-${{ matrix.variant.suffix }}
+            RUNNER_BUILDER_IMAGE=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}/runner-builder:latest-${{ matrix.variant.suffix }}
+          cache-from: type=gha,scope=runner-common-{{ matrix.variant.suffix }},mode=max
+          cache-to: type=gha,scope=runner-common-{{ matrix.variant.suffix }},mode=max