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Azul Payara Micro

Lightweight Runtime for Cloud-Native Microservices

Your Go-To Runtime for Microservices
& Container Management

Azul Payara Micro is a lightweight, cloud-optimized runtime for containerized Jakarta EE applications and microservices. Compatible with MicroProfile, it delivers automatic elastic clustering in a ~100MB package with no installation or configuration. Deploy existing applications unchanged and run in minutes.

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Cloud-Native by Design

Azul Payara Micro is designed for containerization, rapid deployment and scaling in Docker and Kubernetes environments. No heavyweight application server overhead or complex configuration.  

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Optimized for Containerization

Lightweight solution with fast startup, seamless integration, and optimized performance in containerized environments. Enable faster development cycles, consistent environments, and easier scalability.

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Microservices Power Agility

Global organizations are using microservices architecture to drive business agility, scalability and resilience. Azul Payara Micro supports automatic clustering and elastic scaling right out of the box for modern distributed systems.

Features

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Jakarta EE 10 Web Profile

Complete implementation with servlets, JAX-RS, CDI, JSON-P/B, WebSocket

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MicroProfile 6.1

Implements cloud-native specifications: Config, Health, Metrics, OpenAPI, Fault Tolerance, JWT Auth

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Single JAR Deployment

Entire runtime embedded in ~70MB JAR

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Small Memory Footprint

Optimized for resource-constrained environments

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Automatic Clustering

Hazelcast-based dynamic clustering with auto-discovery

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No Installation or configuration

Run directly from the command line, no installation or configuration needed

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Java SE Version Support

Java SE 11, 17, 21 certified

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Fast Startup

2-5 second startup time

How Azul Payara Micro Works

Azul Payara Micro uses an embedded architecture optimized for single-JAR deployment: 

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Learn More about Azul Payara Micro

Azul Payara Micro FAQs

What is Azul Payara Micro?

Azul Payara Micro is the lightweight middleware platform of choice for containerized Jakarta EE (Java EE) microservices deployments. Less than 100MB, Azul Payara Micro requires no installation, configuration, or code rewrites – so you can build and deploy a fully working app within minutes. Azul Payara Micro offers a long-term support software lifecycle, monthly releases and bug fixes.

How does Azul Payara Micro differ from Azul Payara Server?

Azul Payara Micro is designed for lightweight microservices deployment, whereas Azul Payara Server is a full enterprise Java runtime.

How does Azul Payara Micro differ from the Payara Micro Community?

Azul Payara Micro provides enterprise-grade assistance from expert engineers, longer-term support for key features and technologies, additional security patches, performance enhancements and more. It also offers a regulatory compliant platform in line with key legislation, such as the EU’s Cyber-Resilience Act (CRA).

Conversely, Payara Micro Community is our community-driven, free version. It’s designed for developing, testing, and quickly trying out new ideas on the Jakarta EE Platform.

Can I use Azul Payara Micro with Kubernetes?

Yes, it’s optimized for containerized and cloud-native environments.

What kind of support is available?

Payara Services delivers world-class, enterprise-grade support with guaranteed Service Level Agreements (SLAs) for Azul Payara Micro users, ensuring mission-critical applications remain secure, optimized and always available.

Azul Payara Micro customers can choose between two levels of support, based on their business and application needs: 10×5 or 24×7.

Can you use Azul Payara Micro with Spring?

You can use Azul Payara Micro to deploy Spring Boot applications. To learn more, check out our blog posts on the topic.

Do you provide Docker Images for Azul Payara Micro?

Of course! Azul Payara Micro Docker images are available to customers in our Nexus repository. For user guides, videos, datasheets and other documents on Docker and Payara Platform Enterprise, check this page.

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Ready? So are we.

Our Java experts will show you how Azul Payara Micro supports secure, stable and high-performance Java applications.