chore: docker hub (#44)

.github/workflows/ci.yaml

@@ -1,10 +1,9 @@
 name: CI
 
-on: [push]
-
-env:
-  REGISTRY: ghcr.io
-  IMAGE_NAME: ${{ github.repository }}
+on:
+  push:
+    tags:
+      - '*'
 
 jobs:
   build:
@@ -15,15 +14,14 @@ jobs:
       - name: Log in to the Container registry
         uses: docker/[email protected]
         with:
-          registry: ${{ env.REGISTRY }}
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
+          username: ${{ secrets.DOCKER_HUB_USER }}
+          password: ${{ secrets.DOCKER_HUB_TOKEN }}
 
       - name: Extract metadata (tags, labels) for Docker
         id: meta
         uses: docker/[email protected]
         with:
-          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          images: ${{ github.repository }}
 
       - name: Build and push Docker image
         uses: docker/[email protected]
@@ -32,4 +30,3 @@ jobs:
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-