chore: updating github actions to push

.github/workflows/docker-image.yml

@@ -7,12 +7,24 @@ on:
     branches: [ "master" ]
 
 jobs:
-
-  build:
-
+  docker:
     runs-on: ubuntu-latest
-
     steps:
-    - uses: actions/checkout@v4
-    - name: Build the Docker image
-      run: docker build . --file Dockerfile --tag axelpavageau/nginx-blue:latest
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      -
+        name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      -
+        name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          tags: axelpavageau/nginx-blue:latest