Added github action to push to ghcr.io

.github/workflows/build.yaml

@@ -1,42 +1,41 @@
-name: build
+---
+name: Build and push docker image
+
 on:
   push:
-    branches:
-      - main
-    tags:
-      - v*
-  pull_request:
+    branches: [main]
+
+env:
+  REGISTRY: registry.snakectf.org
+  TAG: latest
+
 jobs:
-  build:
+  build-and-push:
     runs-on: ubuntu-22.04
+    permissions:
+      contents: read
+      packages: write
+
     steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Login to Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
       - uses: docker/[email protected]
         with:
           image: tonistiigi/binfmt:qemu-v6.2.0
           platforms: arm64
-      - uses: docker/[email protected]
-        with:
-          driver-opts: image=moby/buildkit
-      - uses: docker/[email protected]
-        id: meta
-        with:
-          images: ghcr.io/${{ github.repository }}
-          tags: |
-            type=sha,format=long
-            type=semver,pattern={{version}}
-            type=semver,pattern={{major}}.{{minor}}
-            type=semver,pattern={{major}}
-      - uses: docker/[email protected]
-        if: github.event_name != 'pull_request'
-        with:
-          registry: ghcr.io
-          username: ${{ github.actor }}
-          password: ${{ github.token }}
-      - uses: docker/[email protected]
+
+      - name: Build and push image
+        uses: docker/build-push-action@v6
         with:
-          push: ${{ github.event_name != 'pull_request' }}
-          tags: ${{ steps.meta.outputs.tags }}
+          file: Dockerfile
+          push: true
+          tags: ${{ env.REGISTRY }}/management-2024/jail:${{ env.TAG }}
           platforms: linux/amd64,linux/arm64
-          provenance: false
-          cache-from: type=gha
-          cache-to: type=gha,mode=max