- Listing 9-1: OpenFaas Ingress
- Listing 9-2: NiFi Headless Service
- Listing 9-3: NiFi StatefulSet
- Listing 9-4: NiFi Ingress
- Listing 9-5: HTTP post an Elasticsearch index template
- Listing 9-6: HTTP post an Elasticsearch Sentiment Analysis query
- Listing 9-7: Example aggregation output from Elasticsearch Sentiment Analysis query