ci: Fix Docker tagging

.github/workflows/deploy.yml

@@ -36,6 +36,11 @@ jobs:
       uses: docker/metadata-action@v3
       with:
         images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+        tags: |
+          type=ref,event=branch
+          type=ref,event=pr
+          type=semver,pattern={{version}}
+          type=semver,pattern={{major}}.{{minor}}
       id: meta
 
     - name: Build and push Docker images
@@ -51,6 +56,9 @@ jobs:
     name: Deploy to pricklypear
     runs-on: ubuntu-latest
     needs: publish
+    environment:
+      name: production
+      url: https://datetime.link
     steps:
 
     - name: Import SSH key