# Tech Stack

| Technology   | Version | Details                                |
| ------------ | ------- | -------------------------------------- |
| Java         | 11      | group service release version >= 3.7.0 |
| Java         | 8       | group service release < 3.7.0          |
| Apache Maven | > 3.6.3 |                                        |
| Cassandra    | 3.4.4   | Used as a Database for the service     |
| Redis        | 5.0.7   | Used as Cache                          |
| Akka Play    | 2.7.2   |                                        |
| Kafka        | 2.11    |                                        |