Initial Upload

.github/workflows/nightly.yml

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+name: Nightly
+
+on:
+  schedule:
+    # Run at 4am UTC daily
+    - cron: '0 4 * * *'
+  workflow_dispatch: # Allow manual trigger
+
+concurrency:
+  group: nightly
+  cancel-in-progress: true
+
+env:
+  REGISTRY: ghcr.io
+  # github.repository must be lowercased for Docker registry compatibility
+  IMAGE_NAME: ${{ github.repository_owner }}/tracearr
+
+jobs:
+  check-changes:
+    name: Check for changes
+    runs-on: ubuntu-latest
+    outputs:
+      should_build: ${{ steps.check.outputs.should_build }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Check if new commits since last nightly
+        id: check
+        run: |
+          # Get commits in last 25 hours (buffer for timing)
+          COMMITS=$(git log --since="25 hours ago" --oneline | wc -l)
+          if [ "$COMMITS" -gt 0 ]; then
+            echo "should_build=true" >> "$GITHUB_OUTPUT"
+            echo "Found $COMMITS new commits"
+          else
+            echo "should_build=false" >> "$GITHUB_OUTPUT"
+            echo "No new commits, skipping build"
+          fi
+
+  build-and-push:
+    name: Build & Push Docker
+    runs-on: ubuntu-latest
+    needs: [check-changes]
+    if: needs.check-changes.outputs.should_build == 'true' || github.event_name == 'workflow_dispatch'
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels)
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=nightly
+            type=raw,value=nightly-{{date 'YYYYMMDD'}}
+            type=sha,prefix=sha-
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./docker/Dockerfile
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+  build-and-push-supervised:
+    name: Build & Push Supervised Image
+    runs-on: ubuntu-latest
+    needs: [check-changes]
+    if: needs.check-changes.outputs.should_build == 'true' || github.event_name == 'workflow_dispatch'
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata for supervised image
+        id: meta-supervised
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=supervised-nightly
+            type=raw,value=supervised-nightly-{{date 'YYYYMMDD'}}
+
+      - name: Build and push supervised image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./docker/Dockerfile.supervised
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta-supervised.outputs.tags }}
+          labels: ${{ steps.meta-supervised.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max