feat: build and release docker images using github cicd

.github/workflows/docker-release.yml

@@ -0,0 +1,44 @@
+name: build & push docker container
+on:
+  push:
+    tags:
+      - '*Release*'
+  pull_request:
+    branches:
+      - master
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Docker meta
+        id: metal
+        uses: docker/metadata-action@v5
+        with:
+          images: |
+            ghcr.io/${{ github.repository }}
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Login to GitHub Container Registry
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ github.token }}
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.metal.outputs.tags }}
+          labels: ${{ steps.metal.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

README.md

@@ -130,6 +130,11 @@ First, create an image from the Dockerfile<br>
 And then run it<br>
 `docker run -i -p 4748:4748 -t servatrice:latest`<br>
 
+For versions after 2.10.2, there is also an official image available on the GitHub container registry. You can pull it using<br>
+`docker pull ghcr.io/Cockatrice/Cockatrice:latest`<br>
+And then run it<br>
+`docker run -i -p 4748:4748 -t ghcr.io/Cockatrice/Cockatrice:latest`<br>
+
 >Note: Running this command exposes the port 4748 of the docker container<br>
 to permit connections to the server.