fix docker creds issues (#329)

Author: bwagner5

.github/workflows/ci.yml

@@ -9,7 +9,7 @@ env:
   WEBHOOK_URL: ${{ secrets.WEBHOOK_URL }}
   DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
   DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
-  DOCKERHUB_PASSWORD: ${{ secrets.DOCKERHUB_TOKEN }}
+  DOCKERHUB_TOKEN: ${{ secrets.DOCKERHUB_TOKEN }}
 
 jobs:
 

scripts/sync-readme-to-dockerhub

@@ -8,7 +8,7 @@ image="amazon/aws-node-termination-handler"
 if git --no-pager diff --name-only HEAD^ HEAD | grep 'README.md'; then
     token=$(curl -s -X POST \
         -H "Content-Type: application/json" \
-        -d '{"username": "'"${DOCKER_USERNAME}"'", "password": "'"${DOCKERHUB_PASSWORD}"'"}' \
+        -d '{"username": "'"${DOCKER_USERNAME}"'", "password": "'"${DOCKER_PASSWORD}"'"}' \
         https://hub.docker.com/v2/users/login/ | jq -r .token)
 
     rcode=$(jq -n --arg msg "$(<$SCRIPTPATH/../README.md)" \