Add optimizer CI and ARM64 container publishing

.github/workflows/cd.yaml

@@ -0,0 +1,58 @@
+name: Deployment
+
+on:
+  workflow_dispatch:
+  workflow_run:
+    workflows: ["Integration"]
+    branches: [main]
+    types:
+      - completed
+
+jobs:
+  release:
+    runs-on: ubuntu-24.04-arm
+    if: ${{ github.event_name == 'workflow_dispatch' || github.event.workflow_run.conclusion == 'success' }}
+    concurrency:
+      group: ${{ github.workflow }}-release-${{ github.ref }}
+      cancel-in-progress: true
+
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+
+      - name: Authenticate at registry
+        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@f87e5991a6d7451dcb8d9637bfbc97413f497069 # v4.4.1
+
+      - name: Extract metadata
+        id: meta
+        uses: docker/metadata-action@dc802804100637a589fabce1cb79ff13a1411302 # v6.2.0
+        with:
+          images: ghcr.io/${{ github.repository }}
+          tags: |
+            type=sha,prefix=,format=short
+            type=raw,value=latest
+
+      - name: Build and push container
+        id: build-push
+        uses: docker/build-push-action@c3c9e263c25d99ce0380d002d59b67737d91b0dc # v7.4.0
+        with:
+          context: .
+          push: true
+          platforms: linux/arm64
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          sbom: true
+          provenance: true
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

.github/workflows/ci.yaml

@@ -0,0 +1,53 @@
+name: Integration
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    types: [opened, synchronize, reopened, ready_for_review]
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  check:
+    if: github.event.pull_request.draft == false
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+
+      - name: Setup uv
+        uses: astral-sh/setup-uv@bec219d24cd3e171d82865faccec33120bb574f4 # v10.1.0
+        with:
+          enable-cache: true
+          cache-dependency-glob: uv.lock
+
+      - name: Setup Go
+        uses: actions/setup-go@b7ad1dad31e06c5925ef5d2fc7ad053ef454303e # v7.0.0
+        with:
+          go-version-file: gen/go/go.mod
+          cache-dependency-path: gen/go/go.sum
+
+      - name: Install dependencies
+        run: uv sync --locked
+
+      - name: Lint and format
+        run: |
+          uv run --locked ruff check
+          uv run --locked ruff format --check
+
+      - name: Check generated bindings
+        run: |
+          uv run --locked python scripts/generate.py --check
+          uv run --locked python scripts/generate.py --go --check
+
+      - name: Test Python service
+        run: uv run --locked pytest
+
+      - name: Test Go client against Python
+        run: uv run --locked python scripts/test_go.py

Dockerfile

@@ -0,0 +1,15 @@
+FROM cgr.dev/chainguard/python:latest-dev@sha256:261ceae8cf0ee5055341cd5c417984a70eb0e1406f2ddf83a4c93002bb10c26c AS build
+USER root
+WORKDIR /app
+COPY pyproject.toml uv.lock ./
+COPY src ./src
+RUN uv sync --locked --no-dev --no-editable --python /usr/bin/python
+
+FROM cgr.dev/chainguard/python:latest@sha256:89281daac77a3d91ef298d70ce3b7a6ccb2ebf268c084fa9a9bda1c92e71c64d
+WORKDIR /app
+COPY --from=build /app/.venv /app/.venv
+ENV PYTHONUNBUFFERED=1
+EXPOSE 50051
+HEALTHCHECK --interval=10s --timeout=3s --start-period=10s --retries=3 \
+    CMD ["/app/.venv/bin/python", "-m", "optimizer.health"]
+ENTRYPOINT ["/app/.venv/bin/python", "-m", "optimizer.main"]

gen/go/go.mod

@@ -1,6 +1,6 @@
 module github.com/fanscore-ch/optimizer/gen/go
 
-go 1.25.0
+go 1.26.4
 
 require (
 	google.golang.org/grpc v1.84.0

tests/test_proto.py

@@ -1,7 +1,8 @@
+import subprocess
+import sys
 from pathlib import Path
 
 from google.protobuf import descriptor_pb2
-from grpc_tools import protoc
 from ortools.sat import cp_model_pb2, sat_parameters_pb2
 
 
@@ -21,17 +22,18 @@ def normalize_descriptor(message):
 def test_vendored_protos_match_runtime(tmp_path):
     root = Path(__file__).resolve().parents[1]
     output = tmp_path / "descriptor.pb"
-    assert (
-        protoc.main(
-            [
-                "protoc",
-                f"-I{root / 'proto'}",
-                f"--descriptor_set_out={output}",
-                "ortools/sat/cp_model.proto",
-                "ortools/sat/sat_parameters.proto",
-            ]
-        )
-        == 0
+    # Isolate protoc from OR-Tools' native protobuf library to avoid Linux crashes.
+    subprocess.run(
+        [
+            sys.executable,
+            "-m",
+            "grpc_tools.protoc",
+            f"-I{root / 'proto'}",
+            f"--descriptor_set_out={output}",
+            "ortools/sat/cp_model.proto",
+            "ortools/sat/sat_parameters.proto",
+        ],
+        check=True,
     )
     descriptors = descriptor_pb2.FileDescriptorSet.FromString(output.read_bytes())
     vendored = {file.name: file for file in descriptors.file}