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Java app based on Spring Boot with Redis-compatible Key-Value Store

This is an example of a URL shortener that tracks visitor numbers, offers a simple HTML form and provides a temporal overview of created short URLs.

It uses an On-Demand Key-Value Store, where all application data is persisted.

Furthermore, the running app does not maintain any persistent state, making it stateless. This enables horizontal scaling through the deployment of multiple, independent process units (replicas). Replicas can be added and removed as needed, without downtime.

Setup

Create Key-Value Store (also available in Nine Cockpit):

  nctl create keyvaluestore urlshortener

Create Deploio application:

  nctl create application urlshortener \
  --git-url=https://github.com/ninech/deploio-examples \
  --git-sub-path=dockerfile/java-kvs \
  --replicas=2 \
  --env=KVS_HOST=<KEY-VALUE STORE HOSTNAME FROM COCKPIT OR NCTL> \
  --env=KVS_PASSWORD=<KEY-VALUE STORE PASSWORD FROM COCKPIT OR NCTL> \
  --env=KVS_SSL_ENABLED=true \
  --dockerfile