Marcus JankeLet’s Encrypt Certificates with AWSYou already know that using a secure connection while browsing the Internet is one of the best ways to protect your personal information…·9 min read·Feb 16, 2022----
Marcus JankeMongoDB Document Validation in Spring DataSpring and its various libraries, especially around Spring Boot and its starters, is known for its widespread usage of the convention over…·3 min read·Mar 7, 2021----
Marcus Jankeinidealo Tech BlogDeckard — a Declarative Approach to Making Your Spring Kafka Life EasierDid you ever wonder why you’re writing so much configuration to simply send messages to a Kafka topic?5 min read·Nov 11, 2020----
Marcus JankeSpring Boot 2.3 OAuth 2 & JWT Security using Amazon CognitoIf you need to quickly secure your Spring Boot 2.3 resource server using OAuth2, JWT, and Amazon Cognito, you’ve come to the right place…·7 min read·Oct 6, 2020--4--4
Marcus JankeA plea against anonymous functions in streamsSince Oracle added streams and functions to Java in 2014 with the release of Java 8, lots of cool and more intuitive stuff can be…·3 min read·Feb 27, 2020----
Marcus JankeConsuming segmented IBM MQ messages in JavaEver got frustrated about IBM’s MQ message segmentation feature on the consumer's end? I had this feeling a couple of years ago when…·2 min read·Dec 27, 2019----
Marcus JankeMongoDB map keys with dots in Spring DataI recently had the need to store historical events in a MongoDB document. The requirement was to do this via a Map having an Instant as a…·2 min read·Nov 16, 2019----
Marcus JankeMaven Plugins for DockerOver the years, I tried out several Maven plugins for Docker that enable you to create Docker images within a Maven build. This should…2 min read·Aug 25, 2019----
Marcus JankeListing all available Thymeleaf context variablesA while back, I was looking for a fast but convenient way to quickly see all variables that are available to a Thymeleaf template. One of…1 min read·Jul 4, 2019----
Marcus JankeDocker housekeepingSometimes, I just found it useful to do a bit of housekeeping and just get rid of all my local docker images and containers. Having tried…1 min read·Jul 3, 2019----