Spring Boot

Feature Flags with Spring Boot

Feature flags are a great tool to improve confidence in deployments and to avoid impacting customers with unintended changes. Instead of deploying a new feature directly to production, we “hide” it behind an if/else statement in our code that evaluates a feature flag.

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Zero Downtime Database Changes with Feature Flags - Step by Step

Whenever we make a change in our database schema, we also have to make a change in the code that uses that database schema.

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Running Scheduled Jobs in Spring Boot

Scheduling is the process of executing a piece of logic at a specific time in the future. Scheduled jobs are a piece of business logic that should run on a timer.

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Publishing Metrics from Spring Boot to Amazon CloudWatch

Metrics provide a quantifiable measure of specific attributes of an application. A collection of different metrics give intelligent insights into the health and performance of an application.

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Rate-Limiting with Spring Boot and Resilience4j

In this series so far, we’ve learned how to use the Resilience4j Retry, RateLimiter, TimeLimiter, Bulkhead, Circuitbreaker core modules and seen its Spring Boot support for the Retry module.

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Saving Time with Structured Logging

Logging is the ultimate resource for investigating incidents and learning about what is happening within your application. Every application has logs of some type.

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