A simple Spring REST app to learn various monitoring and logging options and the deployment pipeline via CircleCI and Docker

For monitoring, there exists Actuator which has by default 2 services actuator/health and actuator/info enable just by adding the dependency in pom. This can be customized as shown in HealthCheck.java

For logging request, a standard CommonsRequestLoggingFilter is available and can be just configured as in RestApplication.java. Basic customization can be done as shown in CustomRequestLoggingFilter

For performance monitoring, a PerformanceMonitorInterceptor can be used as shown in PerformanceMetricsConfiguration

This app is then built automatically on any push on Git, using CircleCI using configuration in config.yml and then a Docker image is built on the Docker Hub

The generated Docker image can be run locally using the commands

docker pull abykoshy/spring-rest-ci

docker run -d -p 8080:8080 abykoshy/spring-rest-ci