adds github actions workflow

.github/workflows/.github-ci.yml

@@ -0,0 +1,51 @@
+name: ci
+
+on: push
+
+jobs:
+  build:
+    runs-on: ubuntu-22.04
+
+    steps:
+      -
+        name: Repository meta
+        id: repository
+        run: |
+          registry=${{ github.server_url }}
+          registry=${registry##http*://}
+          echo "registry=${registry}" >> "$GITHUB_OUTPUT"
+          echo "registry=${registry}"
+          repository="$(echo "${{ github.repository }}" | tr '[:upper:]' '[:lower:]')"
+          echo "repository=${repository}" >> "$GITHUB_OUTPUT"
+          echo "repository=${repository}"          
+      -
+        name: Docker meta
+        uses: docker/metadata-action@v5
+        id: docker
+        with:
+          images: ${{ steps.repository.outputs.registry }}/${{ steps.repository.outputs.repository }}
+      -
+        name: Login to registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ steps.repository.outputs.registry }}
+          username: ${{ secrets.PACKAGES_USER }}
+          password: ${{ secrets.PACKAGES_TOKEN }}
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+        with:
+          buildkitd-flags: '--allow-insecure-entitlement network.host'
+          driver-opts: network=host
+      -
+        name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          allow: network.host
+          network: host
+          platforms: linux/amd64,linux/arm64
+          tags: ${{ steps.docker.outputs.tags }}

.github/workflows/main.yml

@@ -1,22 +0,0 @@
-name: Docker Image CI
-
-on: [push]
-
-jobs:
-
-  build:
-
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/checkout@v1
-    - name: Build the Docker image
-      run: docker build . --file Dockerfile --tag hugomd/ascii-live:${GITHUB_SHA:0:8} --tag hugomd/ascii-live:latest
-    - name: Push docker image
-      env:
-        DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
-        DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
-      run: |
-        docker login -u $DOCKER_USERNAME -p $DOCKER_PASSWORD
-        docker push hugomd/ascii-live:${GITHUB_SHA:0:8}
-        docker push hugomd/ascii-live:latest