handle latest tag in docker release

.github/workflows/release.yml

@@ -6,7 +6,7 @@ on:
         description: "Tag"
         required: true
         default: "v1.x.x"
-      latest:
+      is_latest:
         description: "Set as latest"
         required: true
         default: "true"
@@ -113,6 +113,7 @@ jobs:
           artifactErrorsFailBuild: true
           name: ${{ inputs.tag }}
           bodyFile: .github/changelog.md
+          makeLatest: ${{ inputs.is_latest }}
   docker:
     runs-on: ubuntu-latest
     needs: build
@@ -164,5 +165,7 @@ jobs:
           context: .
           platforms: linux/amd64,linux/arm
           push: true
-          tags: ghcr.io/${{github.repository}}:${{inputs.tag}}
-          labels: ${{ steps.meta.outputs.labels }}w
+          tags: ghcr.io/${{github.repository}}:${{inputs.tag}}, ${{env.LATEST_TAG}}
+          labels: ${{ steps.meta.outputs.labels }}
+        env:
+          LATEST_TAG: ${{ inputs.is_latest == 'true' && join('ghcr.io/', join(github.repository, ':latest')) || '' }}

README.md

@@ -52,7 +52,11 @@ The link to access the app will be printed on your terminal. Copy it and open it
 
 ### Docker
 
-You can run Swing Music in a Docker container. To do so, clone the repository and build the image:
+Pull the latest Docker image and run it:
+
+```sh
+docker pull ghcr.io/swing-opensource/swingmusic:v1.3.0
+```
 
 ```bash
 git clone https://github.com/swing-opensource/swingmusic.git --depth 1