Securing Temporary Access in Spring Boot: Signed URLs vs. JWT / Database Tokens
A comprehensive guide on implementing stateless temporary access links using HMAC-SHA256 Signed URLs...
Ercan SORMAZ
Software Engineer, focused on building backend systems. Sharing what I learn, build, and explore — this blog is where I post tutorials, project write-ups and extensions I've developed.
Latest Articles
Fernet vs. JWT: Can (and Should) You Replace JWTs with Fernet Tokens?
Understand the real differences between Fernet and JWT, and learn when symmetric authenticated encry...
Spring Boot 4 Resilience: A Journey with @Retryable and @ConcurrencyLimit
Explore how Spring Boot 4 integrates resilience with @Retryable and @ConcurrencyLimit, demonstrating...
Partitioning vs Sharding: Differences, Performance Impact & Use Cases
Learn the differences between partitioning and sharding, their impact on performance, scalability, c...
Indexes vs. Partitions in RDBMS: Understanding Their Differences and Power Together
Discover best practices for using database indexes versus partitions, comparing their impact on quer...
Redis Modes Explained: Standalone, Replication, Sentinel and Cluster
Understand Redis modes including standalone, replication, sentinel, and cluster, exploring their arc...
Projects
Fernet for Java
Open-source implementation of the Fernet specification for Java
Java Unit Converter Library
Lightweight Java library for converting values and doing arithmetic inside the same measurement cate...
JAX-WS Spring Jakarta
Open-source library that enables developers to build SOAP services in Spring and Spring Boot using t...
redis-cluster-docker-image
Lightweight Redis Cluster docker image — 6 nodes setup for easy local development & testing.