Update Docker release workflow (#18)

This commit removes tag triggering and adds checks for PR events and SHA
tags in the Docker release workflow. It aims to enhance the automation
process by focusing on specific triggering events like PRs and
refactoring tag generation for image releases.

.github/workflows/release-docker.yml

@@ -18,10 +18,6 @@ on:
   push:
     branches:
       - "*"
-    tags:
-      - "*.*.*"
-      - "*.*"
-      - "*"
   pull_request:
     branches:
       - "master"
@@ -41,9 +37,11 @@ jobs:
           images: jbzoo/csv-blueprint
           tags: |
             type=ref,event=branch
+            type=ref,event=pr
             type=semver,pattern={{version}}
             type=semver,pattern={{major}}.{{minor}}
             type=semver,pattern={{major}}
+            type=sha
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
@@ -52,7 +50,7 @@ jobs:
         uses: docker/setup-buildx-action@v3
 
       - name: Login to Docker Hub
-        if: github.event_name != 'pull_request'
+        # if: github.event_name != 'pull_request'
         uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
@@ -62,6 +60,6 @@ jobs:
         uses: docker/build-push-action@v5
         with:
           context: .
-          push: ${{ github.event_name != 'pull_request' }}
+          # push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}