ci: trigger on manual dispatch, tags, and merged PRs

.github/workflows/ci.yml

@@ -1,10 +1,12 @@
 name: CI/CD
 
 on:
+  workflow_dispatch:
   push:
-    branches: [main, dev]
+    tags: ['v*']
   pull_request:
-    branches: [main, dev]
+    types: [closed]
+    branches: [master]
 
 env:
   DOTNET_VERSION: "9.0.x"
@@ -14,6 +16,10 @@ env:
 jobs:
   build-and-test:
     runs-on: ubuntu-latest
+    if: |
+      github.event_name == 'workflow_dispatch' ||
+      github.event_name == 'push' ||
+      (github.event_name == 'pull_request' && github.event.pull_request.merged == true)
 
     steps:
       - name: Checkout
@@ -36,7 +42,6 @@ jobs:
   docker:
     needs: build-and-test
     runs-on: ubuntu-latest
-    if: github.event_name == 'push'
 
     permissions:
       contents: read
@@ -64,7 +69,7 @@ jobs:
           tags: |
             type=ref,event=branch
             type=sha,prefix=
-            type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' }}
+            type=raw,value=latest,enable=${{ github.ref == 'refs/heads/master' }}
 
       - name: Build and push
         uses: docker/build-push-action@v6