Sold by: EASYCLOUD
Deployed on AWS
AWS Free Tier
This product has charges associated with it for technical support with a 24-hour response time. This AMI provides NATS Server 2.12 on a CentOS Stream 9 minimal installation with the latest updates, repackaged by Easycloud with continuous support.
Overview
This is a repackaged open source software product wherein additional charges apply for technical support with a 24-hour response time. This AMI provides NATS Server 2.12 on a CentOS Stream 9 minimal installation with the latest updates, repackaged by Easycloud with continuous support.
Pre-installed Components
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NATS Server 2.12: NATS is a lightweight, high-performance open-source messaging system designed for cloud-native applications, microservices, and IoT device communication. It supports publish-subscribe, request-reply, and queue group messaging patterns with extremely low latency and a minimal resource footprint. Version 2.12 includes the latest stability fixes and performance improvements for demanding distributed messaging workloads.
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CentOS Stream 9: CentOS Stream 9 is the upstream development branch of Red Hat Enterprise Linux 9, providing a stable and continuously updated Linux platform well suited for running high-throughput messaging infrastructure with the performance and reliability required by production microservice architectures.
Key Benefits
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Ultra-Low Latency Messaging: NATS is engineered for sub-millisecond message delivery, making it one of the fastest messaging systems available for microservices communication and event-driven architectures. Its simple text-based protocol and minimal daemon footprint allow it to handle millions of messages per second with very low CPU and memory overhead. Version 2.12.8 delivers the latest optimizations for consistent, high-throughput performance at scale.
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Production Ready: CentOS Stream 9 provides the latest kernel security patches, SELinux enforcement, and a minimal footprint ideal for network-intensive messaging workloads. NATS is configured to start automatically on boot via systemd, and the built-in HTTP monitoring interface on port 8222 provides immediate visibility into server health, connection metrics, and subscription statistics.
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Expert Engineering and Support: This AMI is built and maintained by Easycloud engineers with deep expertise in messaging infrastructure and AWS deployments. Our team provides fast, professional technical support to help you resolve issues quickly and prevent costly downtime for your messaging layer.
Highlights
- CentOS Stream 9 (Minimal Installation),updated to the latest version.
- Professional installation following best practices.
- Expert Support: Backed by comprehensive documentation and fast, professional technical assistance.
Details
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Delivery method
Delivery option
64-bit (x86) Amazon Machine Image (AMI)
Latest version
Operating system
CentOs CentOS Stream 9
Deployed on AWS
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Pricing
Pricing is based on actual usage, with charges varying according to how much you consume. Subscriptions have no end date and may be canceled any time. Alternatively, you can pay upfront for a contract, which typically covers your anticipated usage for the contract duration. Any usage beyond contract will incur additional usage-based costs.
Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator to estimate your infrastructure costs.
If you are an AWS Free Tier customer with a free plan, you are eligible to subscribe to this offer. You can use free credits to cover the cost of eligible AWS infrastructure. See AWS Free Tier for more details. If you created an AWS account before July 15th, 2025, and qualify for the Legacy AWS Free Tier, Amazon EC2 charges for Micro instances are free for up to 750 hours per month. See Legacy AWS Free Tier for more details.
Dimension | Cost/hour |
|---|---|
t3.medium Recommended | $0.04 |
t3.micro | $0.03 |
t2.micro | $0.03 |
m8i.24xlarge | $0.68 |
i7ie.6xlarge | $0.39 |
x2iezn.6xlarge | $0.39 |
m5d.metal | $0.68 |
d2.2xlarge | $0.19 |
m6in.2xlarge | $0.19 |
g5.2xlarge | $0.19 |
Vendor refund policy
No refunds. Cancel anytime.
Legal
Vendor terms and conditions
Upon subscribing to this product, you must acknowledge and agree to the terms and conditions outlined in the vendor's End User License Agreement (EULA) .
Content disclaimer
Vendors are responsible for their product descriptions and other product content. AWS does not warrant that vendors' product descriptions or other product content are accurate, complete, reliable, current, or error-free.
Delivery details
64-bit (x86) Amazon Machine Image (AMI)
Amazon Machine Image (AMI)
An AMI is a virtual image that provides the information required to launch an instance. Amazon EC2 (Elastic Compute Cloud) instances are virtual servers on which you can run your applications and workloads, offering varying combinations of CPU, memory, storage, and networking resources. You can launch as many instances from as many different AMIs as you need.
Version release notes
Latest Updates
Additional details
Usage instructions
Connection Methods
Once launched, SSH into the instance. The default username is 'ec2-user'. You can switch to the root user environment by running: sudo su -
Install Information
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OS: CentOS Stream 9
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NATS Server: 2.12.8
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Binary: /usr/local/bin/nats-server
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Config File: /etc/nats/nats-server.conf
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Log File: /var/log/nats/nats-server.log
Usage Instructions
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Verify NATS Server is running: sudo systemctl status nats
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Check the installed version: nats-server --version
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Access the monitoring dashboard from a browser at: http://<YOUR_IP>:8222
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Manage the NATS service: sudo systemctl start nats
sudo systemctl stop nats
sudo systemctl status nats
Firewall Configuration
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SSH (Port 22): Required for remote administration and secure shell access.
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NATS Client (Port 4222): The main NATS protocol port used by all clients to publish and subscribe to messages. Restrict to trusted IP addresses in production, or configure authentication in nats-server.conf.
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HTTP Monitoring (Port 8222): Provides the built-in HTTP monitoring API for server metrics, connection info, and health checks. Limit access to internal or management networks only.
Security Recommendation: For production environments, never expose these ports to the public internet. Strictly limit access exclusively to internal traffic within your VPC via AWS Security Groups.
Support
Vendor support
Should you encounter any issues while using the system, please do not hesitate to contact us via email at: support@easyclouds.io ,Thank you!
AWS infrastructure support
AWS Support is a one-on-one, fast-response support channel that is staffed 24x7x365 with experienced and technical support engineers. The service helps customers of all sizes and technical abilities to successfully utilize the products and features provided by Amazon Web Services.
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