fixes

.github/workflows/docker-publish.yml

@@ -1,8 +1,7 @@
 name: Docker
-on:
-  push:
-    branches:
-      - master
+
+on: [push]
+
 jobs:
   publishing:
     runs-on: ubuntu-latest
@@ -12,6 +11,12 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v2
+      - name: Rewrite version
+        run: |
+          branch="`echo "${{ github.ref }}" | grep -o "[^/]*$"`"
+          cat gradle.properties | sed -e "s/^version=\([0-9\.]*\)/version=\1-branch_$branch-build${{ github.run_number }}/" > gradle.properties.tmp
+          rm gradle.properties
+          mv gradle.properties.tmp gradle.properties
       - name: Log into registry
         uses: docker/login-action@28218f9b04b4f3f62068d7b6ce6ca5b26e35336c
         with: