chore: build with correct ref

Signed-off-by: Gustavo <[email protected]>

.github/workflows/docker.yml

@@ -1,10 +1,10 @@
 name: docker
-on:  
+on:
   push:
     branches:
       - main
     tags:
-      - '*'
+      - "*"
 
 env:
   REGISTRY: ghcr.io/${{ github.repository_owner }}
@@ -21,15 +21,26 @@ jobs:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
-      - name: Get tag
-        id: get-tag
-        run: echo ::set-output name=short_ref::${GITHUB_REF#refs/*/}
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@8e5442c4ef9f78752691e2d8f8d19755c6f78e81 # v5
+        with:
+          # list of Docker images to use as base name for tags
+          images: |
+            ${{ env.REGISTRY }}/elric-rs
+          # generate Docker tags based on the following events/attributes
+          tags: |
+            type=schedule
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}.{{minor}}.{{patch}}
+            type=semver,pattern={{major}}
+            type=sha
+
       - name: Build and push
         uses: docker/build-push-action@v4
         with:
-          build-args: |
-            TARGET=${{ matrix.contract }}
           push: true
-          tags: | 
-              ${{ env.REGISTRY }}/elric-rs:latest
-              ${{ env.REGISTRY }}/elric-rs:${{ steps.get-tag.outputs.short_ref }}
+          tags: ${{ steps.meta.outputs.tags }}