add: blog image build

.gitea/workflows/build_blog_image.yml

@@ -0,0 +1,31 @@
+name: Build Blog Docker Image
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build docker:
+    runs-on: linux_amd
+    steps:
+      - name: checkout code
+        uses: actions/checkout@v3
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      - name: Login to Docker registry
+        uses: docker/login-action@v2
+        with:
+          registry: git.d3vyce.fr
+          username: ${{ github.actor }}
+          password: ${{ secrets.GIT_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/amd64
+          push: true
+          tags: git.d3vyce.fr/${{ github.repository }}:latest