build: Push to both docker-hub and ghcr.io

Author: defnull

.github/workflows/docker.yaml

@@ -2,46 +2,55 @@ name: docker
 
 on:
   push:
-    branches: ['main']
-    tags: ['v*']
-
-env:
-  REGISTRY: ghcr.io
-  IMAGE_NAME: ${{ github.repository }}
+    branches: [ 'main' ]
+    tags: [ 'v*' ]
 
 jobs:
   build-and-push-main:
     runs-on: ubuntu-latest
+
     permissions:
       contents: read
       packages: write
       attestations: write
       id-token: write
+
     steps:
       - name: Check out the repo
         uses: actions/checkout@v5
+
       - name: Docker meta
         id: meta
         uses: docker/metadata-action@v5
         with:
-          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          images: |
+            defnull/bbblb
+            ghcr.io/defnull/bbblb
           tags: |
             type=raw,value=latest,enable={{is_default_branch}}
             type=ref,event=branch
             type=semver,pattern={{version}}
             type=semver,pattern={{major}}.{{minor}}
             type=semver,pattern={{major}}
-      - name: Login to Image Registry
+
+      - name: Login to ghcr.io
         uses: docker/login-action@v3
         with:
-          registry: ${{ env.REGISTRY }}
+          registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: defnull
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
       - name: Build and push
         uses: docker/build-push-action@v6
         with:
           context: .
           file: docker/Dockerfile
           push: true
           tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
+          labels: ${{ steps.meta.outputs.labels }}