automatic docker build for codabench evaluation environment

Author: ChristianHinge

.github/workflows/eval-docker.yml

@@ -0,0 +1,53 @@
+name: Build & Push Eval Image
+
+on:
+  push:
+    branches: [main]
+    tags: ["v*"]
+    paths:
+      - "src/evaluation/**"
+      - "pyproject.toml"
+      - ".github/workflows/eval-docker.yml"
+
+jobs:
+  build-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Log in to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/bic-mac-challenge/eval
+          tags: |
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=sha,prefix=sha-,format=short
+            type=raw,value=latest,enable={{is_default_branch}}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: src/evaluation/Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=registry,ref=ghcr.io/bic-mac-challenge/eval:cache
+          cache-to: type=registry,ref=ghcr.io/bic-mac-challenge/eval:cache,mode=max

src/evaluation/Dockerfile

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+FROM python:3.12-slim
+
+RUN pip install --no-cache-dir nibabel numpy scipy
+
+COPY pyproject.toml .
+COPY src/ src/
+RUN pip install --no-cache-dir --no-deps .
+
+WORKDIR /app