Bugfixing portainer API call

.gitea/workflows/publish-registry.yml

@@ -12,7 +12,7 @@ env:
 jobs:
   build-and-push:
     runs-on: ubuntu-latest
-
+    name: Build and Push Docker Image
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -60,7 +60,7 @@ jobs:
       CURL_OPTS: "-s" # Silent mode
 
     steps:
-      - name: Deploy Container to Portainer
+      - name: Deploy Container to Portainer via API
         run: |
           set -e # Exit immediately if a command exits with a non-zero status.
           echo "Starting deployment of image ${{ env.IMAGE_TO_DEPLOY }} as container ${{ env.CONTAINER_NAME }}"
@@ -95,6 +95,9 @@ jobs:
           CREATE_PAYLOAD=$(cat <<EOF
           {
             "Image": "${{ env.IMAGE_TO_DEPLOY }}",
+            "ExposedPorts": {
+              "${{ env.CONTAINER_PORT }}/tcp": {}
+            },
             "HostConfig": {
               "PortBindings": {
                 "${{ env.CONTAINER_PORT }}/tcp": [ { "HostIp": "0.0.0.0", "HostPort": "${{ env.HOST_PORT }}" } ]