build: run docker release on branches (#130)

.github/workflows/docker.yml

@@ -2,8 +2,11 @@ name: docker
 
 on:
   push:
+    branches:
+      - "master"
+      - "develop"
     tags:
-      - '*'
+      - 'v*'
 
 permissions:
   packages: write
@@ -19,24 +22,27 @@ jobs:
         with:
           fetch-depth: 0
 
-      - name: Get the tag name
-        run: echo "TAG=${GITHUB_REF/refs\/tags\//}" >> $GITHUB_ENV
-
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v1
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
-      
-      - name: Build and push
+
+      - name: Extract metadata
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: ghcr.io/autobrr/autobrr
+
+      - name: Build and publish image
         id: docker_build
         uses: docker/build-push-action@v2
         with:
-          push: true
-          tags: |
-            ghcr.io/autobrr/autobrr:${{ env.TAG }}
-            ghcr.io/autobrr/autobrr:latest
-
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+      
       - name: Image digest
         run: echo ${{ steps.docker_build.outputs.digest }}