Nightly builds

Author: soundstorm

.github/workflows/docker.yml

@@ -2,6 +2,8 @@ name: Docker
 
 on:
   push:
+    branches:
+      - main
     tags:
       - "v*"
   release:
@@ -38,7 +40,8 @@ jobs:
           tags: |
             type=semver,pattern={{version}}
             type=semver,pattern={{major}}.{{minor}}
-            type=raw,value=latest
+            type=raw,value=latest,enable=${{ startsWith(github.ref, 'refs/tags/') }}
+            type=raw,value=nightly,enable=${{ github.ref == 'refs/heads/main' }}
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3