Merge pull request #37 from elraro/docker-build

Update docker workflow

.github/workflows/docker.yml

@@ -7,24 +7,24 @@ on:
   push:
     branches: [ master ]
 
+env:
+  REGISTRY: ghcr.io
+
 jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      -
-        name: Checkout
-        uses: actions/checkout@v2
-      -
-        name: Login to DockerHub
-        uses: docker/login-action@v1 
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Log in to the Container registry
+        uses: docker/login-action@v2 
         with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
-      -
-        name: Build and push
-        id: docker_build
-        uses: docker/build-push-action@v2
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build and push
+        uses: docker/build-push-action@v4
         with:
           push: true
-          file: Dockerfile
-          tags: elraro/rajoybot:latest
+          context: .
+          tags: ${{ env.REGISTRY }}/${{ github.repository }}:latest