Writing by Pavels Sisojevs on Scala, functional programming and distributed systems.https://pavels.im/https://pavels.im/train-station-tofu/https://pavels.im/train-station-tofu/Improving a Tagless Final codebase with Tofu: less boilerplate, better error handling, tracing and structured logging.Fri, 18 Dec 2020 00:00:00 GMTscalaapache pulsarneutronziotagless finalfs2tofuhttps://pavels.im/train-station/https://pavels.im/train-station/Simulating a railway network as an event-driven system in Scala, built on Apache Pulsar with Tagless Final.Sun, 08 Nov 2020 00:00:00 GMTscalaapache pulsarneutronziotagless finalfs2https://pavels.im/testcontainers/https://pavels.im/testcontainers/Integration testing Scala services against real dependencies running in Docker, with Testcontainers and MUnit.Sun, 03 May 2020 00:00:00 GMTscalatestingmunittestcontainersdockerhttps://pavels.im/zio-test/https://pavels.im/zio-test/Unit testing effectful ZIO code with ZIO Test: assertions, mocks and test aspects.Sun, 05 Apr 2020 00:00:00 GMTscalazioztestunit testinghttps://pavels.im/welcome-zio/https://pavels.im/welcome-zio/Building a Scala application with ZIO, from the first effect to wiring services together with ZLayer.Sat, 21 Mar 2020 00:00:00 GMTscalaziozlayerhttp4shttps://pavels.im/zio-test-old/https://pavels.im/zio-test-old/Unit testing effectful ZIO code with ZIO Test: assertions, mocks and test aspects. Written for ZIO 1.0.0-RC17.Mon, 20 Jan 2020 00:00:00 GMTscalazioztestunit testingrc17https://pavels.im/welcome-zio-old/https://pavels.im/welcome-zio-old/Building a Scala application with ZIO, step by step. Written for ZIO 1.0.0-RC17.Thu, 05 Dec 2019 00:00:00 GMTscalaziohttp4src17https://pavels.im/design-a-pager/https://pavels.im/design-a-pager/Breaking an application into services, packages and sbt modules, using a Telegram release-notification bot as the example.Sat, 12 Jan 2019 00:00:00 GMTdesigncodemodularisationinterfacesbt