Try worker base nightly workflow

.github/workflows/worker-base.yml

@@ -0,0 +1,63 @@
+name: Build worker base image
+
+on:
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: Docker tag for build results
+        type: string
+        default: nightly
+        required: false
+  schedule:
+    - cron: "0 0 * * *"
+
+permissions:
+  contents: read
+
+jobs:
+  image:
+    name: Build and publish
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+      id-token: write
+      security-events: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db # v3.6.1
+
+      - name: Gather build metadata
+        id: meta
+        uses: docker/metadata-action@8e5442c4ef9f78752691e2d8f8d19755c6f78e81 # v5.5.1
+        with:
+          images: ghcr.io/artefactual-labs/ccp/ccp-worker-base
+          tags: |
+            type=schedule,pattern=nightly
+            type=ref,event=tag
+            type=raw,value=${{ inputs.tag }},event=workflow_dispatch
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ github.token }}
+
+      - name: Build and push image
+        id: build
+        uses: docker/build-push-action@16ebe778df0e7752d2cfcbd924afdbbd89c1a755 # v6.6.1
+        with:
+          context: .
+          target: worker-base
+          platforms: linux/amd64
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max,ignore-error=true
+          outputs: type=image,push=true