Configure container build workflow via GHCR

.github/workflows/build_container.yaml

@@ -0,0 +1,56 @@
+name: Build and Push Neovim Container
+
+on:
+  push:
+    branches:
+      - main
+    paths-ignore:
+      - 'README.md'
+  workflow_dispatch:
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=latest
+            type=sha,format=short
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max

.github/workflows/trigger_rebuild.yaml

@@ -1,23 +0,0 @@
-name: Trigger Container Rebuild
-
-on:
-  push:
-    branches:
-      - main
-    paths-ignore:
-      - "README.md"
-
-jobs:
-  trigger:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Trigger rebuild
-        env:
-          GH_TOKEN: ${{ secrets.PUBLIC_ACTION_TRIGGER_TOKEN }}
-        run: |
-          gh api \
-            --method POST \
-            -H "Accept: application/vnd.github+json" \
-            -H "X-GitHub-Api-Version: 2022-11-28" \
-            /repos/Cian-H/my_nvim/dispatches \
-             -f "event_type=rebuild-container" -F "client_payload[unit]=false" -F "client_payload[integration]=true"