Cleanup unused tags after manifest is created

.github/workflows/build.yml

@@ -130,3 +130,22 @@ jobs:
             docker manifest create ${DOCKER_IMAGE}:${TAG} ${DOCKER_IMAGES}
             docker manifest push ${DOCKER_IMAGE}:${TAG}
           done
+          
+      - name: Cleanup tags
+        run: |
+          ACCESS_TOKEN=$(curl -X POST \
+            -H "Content-Type: application/json" \
+            -H "Accept: application/json" \
+            -d '{"username":"${DOCKER_USERNAME}","password":"${DOCKER_PASSWORD}"}' \
+            https://hub.docker.com/v2/users/login/ | jq --raw-output '.token')
+          
+          PLATFORMS=("amd64", "arm64", "arm-v7", "arm-v6"}
+          for PLATFORM in ${PLATFORMS[@]}; do
+            TAG="linux-${PLATFORM}-${GITHUB_SHA::8}"
+            echo "Deleting tag: ${DOCKER_IMAGE}:${TAG}"
+            
+            curl -i -X DELETE \
+              -H "Accept: application/json" \
+              -H "Authorization: JWT ${ACCESS_TOKEN}" \
+              https://hub.docker.com/v2/repositories/${DOCKER_IMAGE}/tags/${TAG}/
+          done