Home

Welcome to Lagom

1. What is Lagom?
2. What’s in the name?
3. Where to begin

Getting started with Lagom

1. Introduction and prerequisites
2. Creating and running Hello World
3. Understanding Hello World
4. Learning more from Lagom examples

Lagom core concepts

1. Introduction to Lagom concepts
2. Lagom design philosophy
3. Polyglot systems with Lagom
4. Development environment overview
5. Lagom build philosophy
6. Component technologies
7. API Overview
8. Designing your microservices system
9. Sizing individual microservices
10. Internal and external communication
11. Registering and discovering services
12. Using Immutable Objects
13. Managing data persistence
14. Advantages of Event Sourcing
15. Separating reads from writes
16. Deploying scalable, resilient systems

Lagom reference guide

1. Reference Guide
2. Configuring builds and the development environment
   1. Defining a Lagom build
   2. Splitting a system into multiple builds
   3. Importing an sbt project into Intellij
   4. Importing an sbt project into Eclipse
   5. Increase Memory in sbt
   6. Using a newer version of Akka and Play Framework
3. Running Lagom in development
   1. Development Environment
   2. Running Services
   3. How are Lagom services configured in development?
   4. Service Locator and Service Gateway
   5. Cassandra Server
   6. Kafka Server
4. Writing Lagom services
   1. Service descriptors
   2. Implementing services
   3. Dependency Injection
   4. Scala Components
   5. Service Metadata
   6. Consuming services
   7. Testing Services
   8. Message serializers
   9. Header Filters
   10. Error handling
   11. Additional Routers
5. Writing persistent and clustered services
   1. Domain Modelling with Akka Persistence Typed
   2. Migrating to Akka Persistence Typed
   3. Persistent Entity (classic)
   4. Choosing a Database
   5. Cassandra Setup
   6. Relational Database Setup
   7. Persistent Read-Side
   8. Cassandra Read-Side Support
   9. Relational Database Read-Side Support
   10. JDBC Read-Side Support
   11. Slick Read-Side Support
   12. Publish-Subscribe
   13. Cluster
   14. Serialization
   15. Serialization using Play JSON
   16. Serialization using Akka Jackson
   17. Projections
6. Decouple services with a message broker
   1. Message Broker Support
   2. Message Broker API
   3. Lagom Kafka Client
   4. Message Broker Testing
7. Running Lagom in production
   1. Production Overview
   2. Akka Discovery Integration
   3. Lightbend Platform
8. Logging
   1. Logging
   2. Configuring Logging
9. Advanced topics
   1. Integrating with Akka
   2. Integrating with non Lagom services

Lagom releases

1. What's new in Lagom 1.6
2. What's new in Lagom 1.5
3. Lagom 1.6 Migration Guide
4. Lagom 1.5 Migration Guide
5. Lagom 1.4 Migration Guide
6. Lagom 1.3 Migration Guide