JavaEE Microservices -the Payara Way
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Mike Croft from Payara gave a presentation on using Payara Micro for Java EE microservices. Payara Micro is a lightweight (~58MB) and embeddable Java EE server based on GlassFish. The presentation demonstrated how to easily start and deploy applications on Payara Micro both locally and on AWS EC2 using Vagrant. It also showed running Payara Micro in Docker containers.
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JavaEE Microservices -the Payara Way
- 1. @croft#Devoxx #PayaraMicro #BadassFish Java EE Microservices: The Payara Way Mike Croft Payara
- 2. @croft#Devoxx #PayaraMicro #BadassFish Who am I? • Java Middleware Consultant • Payara support • @croft • Snowboarder
- 3. @croft#Devoxx #PayaraMicro #BadassFish Who are you? • Developers? • Ops? • DevOps? • Everything…!?
- 4. @croft#Devoxx #PayaraMicro #BadassFish What is this about? • Buzzwords? • Opinions? • Tools-In-Action
- 5. @croft#Devoxx #PayaraMicro #BadassFish What is Payara? • Payara is… • Built from GlassFish – Java EE RI • Entirely open source (CDDL), forever • Active • Released quarterly • (snapshot builds also available)
- 6. @croft#Devoxx #PayaraMicro #BadassFish What is Payara Micro? • Payara Micro is… • Micro! (~58MB) • Elastic • Fully embeddable (if you want…) • Web Profile “plus” • On Maven Central <dependency> <groupId>fish.payara.extras</groupId> <ArtifactId>payara-micro</artifactId> <version>4.1.1.154</version> <type>jar</type> </dependency>
- 8. @croft#Devoxx #PayaraMicro #BadassFish Demo Scenario • Fat JAR or skinny WAR? • RESTful API? • Data centre or cloud?
- 9. @croft#Devoxx #PayaraMicro #BadassFish Demo Scenario • “Traditional” hosts • Local deployments • AWS EC2 via Vagrant • Containers • Bonus: full-fat Java EE full profile cluster in Docker (if there’s time)
- 10. @croft#Devoxx #PayaraMicro #BadassFish Demo • Start Payara Micro • java -jar payara-micro.jar • Start another! • … • java -jar payara-micro.jar --autoBindHttp • What about actually running something useful?
- 11. @croft#Devoxx #PayaraMicro #BadassFish Demo • Payara REST JCache example • https://github.com/payara/Payara-Examples/tree/master/rest-examples/rest-jcache java -jar payara-micro.jar --autoBindHttp --deploy myApp.war OR java -jar payara-micro.jar --autoBindHttp --deploymentDir myApps/
- 15. @croft#Devoxx #PayaraMicro #BadassFish Demo • Payara Micro + AWS = Elastic cluster • Vagrant AWS plugin • Vagrant ENV plugin • Note: This is just a demo, the better way is to use a DevOps tool!
- 18. @croft#Devoxx #PayaraMicro #BadassFish Demo • Note: This is just a demo, the better way is to use some of the extensive tooling (e.g. etcd, kubernetes, docker swarm)