Formatting timestamps via kafka

A basic illustration on how to process data via kafka.

Prerequisites

Local dev cluster

Development

kubectl create secret tls root-ca-secret \                              
  --cert="$(mkcert -CAROOT)/rootCA.pem" \
  --key="$(mkcert -CAROOT)/rootCA-key.pem"
secret/root-ca-secret created

Additional /etc/hosts entry

127.0.0.1    websocket.local.lgc

# ./mvnw clean spring-boot:build-image 
kind load docker-image ghcr.io/jschlarb/timestamp/producer:0.0.1-SNAPSHOT -n lgc
kind load docker-image ghcr.io/jschlarb/timestamp/formatter:0.0.1-SNAPSHOT -n lgc 
kind load docker-image ghcr.io/jschlarb/timestamp/websocket:0.0.1-SNAPSHOT -n lgc

helm upgrade --install producer charts/base -f charts/base/values.producer.yaml --atomic
helm upgrade --install formatter charts/base -f charts/base/values.formatter.yaml --atomic
helm upgrade --install websocket charts/base -f charts/base/values.websocket.yaml --atomic