add oci image build

.github/workflows/oci.yaml

@@ -0,0 +1,63 @@
+---
+name: OCI Build and Publish
+
+"on":
+  workflow_dispatch:
+  push:
+    branches:
+      - "**"
+    tags:
+      - "v*.*.*"
+  pull_request:
+    branches:
+      - main
+      - master
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  oci_image:
+    name: Build OCI Image
+    if: github.repository == 'lsst/s3daemon'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=schedule
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=sha
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -0,0 +1,6 @@
+FROM python:3.12
+
+WORKDIR /app
+COPY . .
+RUN pip install --no-cache-dir --root-user-action ignore .
+ENTRYPOINT ["s3daemon"]

pyproject.toml

@@ -1,3 +1,22 @@
+[project]
+name = "s3daemon"
+dynamic = ["version", "dependencies"]
+
+[build-system]
+requires = ["setuptools>=64", "setuptools_scm>=8"]
+build-backend = "setuptools.build_meta"
+
+[project.scripts]
+s3daemon = "s3daemon.s3daemon:main"
+
+[tool.setuptools_scm]
+
+[tool.setuptools.dynamic]
+dependencies = {file = ["requirements.txt"]}
+
+[tool.setuptools]
+package-dir = {"" = "python"}
+
 [tool.black]
 line-length = 110
 target-version = ["py311"]