chore: Add Docker setup

.Rbuildignore

@@ -29,3 +29,5 @@
 ^vscode-.*build$
 ^\.aviator/config\.yml$
 ^windows$
+^Dockerfile$
+^docker-compose\.yml$

.github/workflows/ghcr.yaml

@@ -0,0 +1,58 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+# GitHub recommends pinning actions to a commit SHA.
+# To get a newer version, you will need to update the SHA.
+# You can also reference a tag or branch, but the action may change without warning.
+
+name: Create and publish a Docker image
+
+on:
+  push:
+    branches:
+      - main
+  schedule:
+    - cron: "0 1 * * *"
+  workflow_dispatch:
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@1f401f745bf57e30b3a2800ad308a87d2ebdf14b
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - uses: docker/setup-buildx-action@3762d454f382a89982d79f33e1ff246835322c4d
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@62339db73c56dd749060f65a6ebb93a6e056b755
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@fdf7f43ecf7c1a5c7afe936410233728a8c2d9c2
+        with:
+          context: .
+          cache-from: ${{ github.event_name != 'schedule' && 'type=gha' || '' }}
+          cache-to: type=gha,mode=max
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

@@ -0,0 +1,9 @@
+FROM ghcr.io/cynkra/rig-ubuntu:main
+
+RUN apt-get update && apt-get install -y gnupg lsb-release time postgresql-client
+
+RUN mkdir -p /root/workspace
+
+COPY DESCRIPTION /root/workspace
+
+RUN R -q -e 'pak::pak()'

docker-compose.yml

@@ -0,0 +1,29 @@
+# See .github/CONTRIBUTING.md for details.
+
+version: '3'
+volumes:
+  postgres-socket:
+    driver: local
+
+services:
+  # https://geshan.com.np/blog/2021/12/docker-postgres/
+  # https://community.home-assistant.io/t/timescaledb-postgres-using-a-unix-socket-in-docker-compose-as-ha-database/247136/2
+  postgres:
+    container_name: postgres
+    image: postgres
+    environment:
+      POSTGRES_USER: root
+    volumes:
+      - postgres-socket:/var/run/postgresql
+    ports:
+      - "5432:5432"
+
+  workspace:
+    container_name: workspace
+    image: ghcr.io/r-dbi/RPostgres:main
+    platform: linux/amd64
+    environment:
+      TESTTHAT_CPUS: 4
+    volumes:
+      - ${PWD}:/root/workspace
+      - postgres-socket:/var/run/postgresql