Update Docker image name and secrets in workflow (#38)

Author: fabnemEPFL

.github/workflows/docker.yml

@@ -9,7 +9,7 @@ on:
       - main
 
 env:
-  IMAGE_NAME: fabnemepfl/mirage
+  IMAGE_NAME: fabnemepfl/mmirage
   REGISTRY: docker.io
 
 jobs:
@@ -21,11 +21,11 @@ jobs:
           - platform: ubuntu-latest
             path: docker/Dockerfile
             tag_base: amd64
-            name: mirage-git
+            name: mmirage-git
           - platform: ubuntu-24.04-arm
             path: docker/Dockerfile
             tag_base: arm64
-            name: mirage-git
+            name: mmirage-git
 
     runs-on: ${{ matrix.platform }}
     environment: docker
@@ -64,8 +64,8 @@ jobs:
       - name: Log in to DockerHub
         uses: docker/login-action@v3
         with:
-          username: ${{ secrets.DOCKER_USERNAME }}
-          password: ${{ secrets.DOCKER_PASSWORD }}
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
@@ -77,5 +77,5 @@ jobs:
           file: ${{ matrix.path }}
           push: true
           tags: |
-            ${{ secrets.DOCKER_USERNAME }}/${{ matrix.name }}:latest-${{ matrix.tag_base }}
-            ${{ secrets.DOCKER_USERNAME }}/${{ matrix.name }}:${{ github.sha }}-${{ matrix.tag_base }}
+            ${{ secrets.DOCKERHUB_USERNAME }}/${{ matrix.name }}:latest-${{ matrix.tag_base }}
+            ${{ secrets.DOCKERHUB_USERNAME }}/${{ matrix.name }}:${{ github.sha }}-${{ matrix.tag_base }}