deV633 — LearningsdeV633 is where I share development learnings, experiments, projects, architecture decisions, and lessons from building real software.https://dev633.pages.dev/en-usGetting Started with Spring Boothttps://dev633.pages.dev/learnings/getting-started-with-spring-boot/https://dev633.pages.dev/learnings/getting-started-with-spring-boot/The minimum you need to understand about auto-configuration, starters, and the application context before writing a real service.Fri, 11 Sep 2026 00:00:00 GMTBackendSpring BootJavaHow Dependency Injection Works in Springhttps://dev633.pages.dev/learnings/how-dependency-injection-works-in-spring/https://dev633.pages.dev/learnings/how-dependency-injection-works-in-spring/Beans, the application context, and why constructor injection is the only form worth defaulting to.Fri, 28 Aug 2026 00:00:00 GMTBackendSpring BootJavaArchitectureWhy I Prefer PostgreSQL for Most Applicationshttps://dev633.pages.dev/learnings/why-i-prefer-postgresql-for-most-applications/https://dev633.pages.dev/learnings/why-i-prefer-postgresql-for-most-applications/One engine that handles relational data, JSON documents, full text search, and queues well enough to postpone every other datastore.Fri, 14 Aug 2026 00:00:00 GMTDatabasePostgreSQLDatabaseArchitectureSmaller Images with Multi-Stage Docker Buildshttps://dev633.pages.dev/learnings/multi-stage-docker-builds/https://dev633.pages.dev/learnings/multi-stage-docker-builds/Separating the build toolchain from the runtime image, and why the final stage should not run as root.Thu, 30 Jul 2026 00:00:00 GMTDevOpsDockerSecurity