Redis
Redis keeps data in memory, which gives sub-millisecond reads and writes. It is used for caching, sessions, queues and rate limiting. On AWS it is offered as a managed service by Amazon ElastiCache.
Key concepts #
- Key-value store with strings, lists, sets, hashes and streams.
- Persistence: optional snapshots and append-only logs.
- Often run as a container in Docker Compose.
Learn it #
See it running in the Docker Compose tutorial.
Run it with Install Redis with Docker.
Related tutorials
- Docker & Rancher Desktop Tutorials
Install Redis with Docker: Persistence, Basic Commands and Caching
Run Redis in a container with a persistent volume and a password, learn the essential commands, key expiration and the cache-aside pattern, and check memory usage.
Data and Storage
PostgreSQL
PostgreSQL is a powerful open source relational database known for its standards compliance, extensions and reliability.
Data and Storage
MySQL
MySQL is a widely used open source relational database, available as a managed engine in Amazon RDS and Aurora.