Sold by: ThinkCloud
Deployed on AWS
AWS Free Tier
Pre-configured Amazon Linux 2023 AMI with Amazon Corretto 21 (Java 21 LTS) for production-ready Java application deployment.
Overview
This AMI provides a ready-to-use Java 21 development and runtime environment built on Amazon Linux 2023. It comes pre-installed with Amazon Corretto 21, Amazon's no-cost, production-ready distribution of OpenJDK, ensuring long-term support and security patches directly from AWS.
Amazon Corretto 21 passes all TCK (Technology Compatibility Kit) tests, guaranteeing full Java SE 21 compatibility. As the latest LTS release, it introduces virtual threads (Project Loom) for high-throughput concurrent applications, record patterns, pattern matching for switch, sequenced collections, and generational ZGC enabled by default. These features deliver substantial performance gains and a more expressive programming model for modern Java development.
Combined with the security and stability of Amazon Linux 2023, this AMI eliminates the time spent on environment setup and JDK configuration. Ideal for teams building high-concurrency cloud-native applications, adopting virtual threads, migrating from earlier JDK versions, or running modern frameworks like Spring Boot 3.2+, Quarkus, and Micronaut that fully leverage Java 21 capabilities.
Highlights
- Java 21 LTS with Virtual Threads -- Pre-installed Amazon Corretto 21 featuring Project Loom virtual threads, generational ZGC, and full Java SE 21 TCK compliance, ready to deploy out of the box.
- Built on Amazon Linux 2023 -- Leverages the latest Amazon Linux with enhanced security defaults, SELinux permissive mode, and deterministic updates via versioned repositories.
- Zero Licensing Cost -- Amazon Corretto is free to use with no licensing fees, providing a direct drop-in replacement for Oracle JDK 21 without vendor lock-in.
Details
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Delivery method
Delivery option
64-bit (x86) Amazon Machine Image (AMI)
Latest version
Operating system
AmazonLinux 2023
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 |
|---|---|
t3a.medium Recommended | $0.05 |
t2.micro | $0.05 |
t3.micro | $0.05 |
i4i.12xlarge | $0.05 |
c7a.2xlarge | $0.05 |
r5n.4xlarge | $0.05 |
p2.16xlarge | $0.05 |
m8i.12xlarge | $0.05 |
r4.16xlarge | $0.05 |
m7i-flex.large | $0.05 |
Dimensions summary
You pay by the hour for each Amazon EC2 instance you run this software on. The rate depends only on which instance type you pick. Options span many EC2 families, including general-purpose, compute-optimized, memory-optimized, storage-optimized, and accelerated (GPU) types. Sizes range from small shared instances up to large metal configurations. Larger instances with more CPU, memory, or specialized hardware carry higher hourly rates. There are no tiers or upfront commitments. You are billed only for the hours each instance runs, and ThinkCloud provides support for the software.
Top-of-mind questions for buyers
The hourly rate covers the software license for Amazon Corretto Java 21 on Amazon Linux 2023, plus support from ThinkCloud. You pay the underlying Amazon EC2 compute charges separately. Your total cost combines this software rate and the AWS infrastructure cost for the instance you choose.
The software rate meters running instance-hours. A fully stopped instance does not accrue software charges. Stopped instances may still incur AWS storage fees for attached volumes, but those are separate from this software license. You are billed only for the hours each instance actually runs.
The rate depends only on the instance type you select. Moving to a type with more CPU, memory, or specialized hardware raises the hourly software rate. There is no tier or commitment. The change applies immediately to the new instance for the hours it runs.
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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
Amazon Corretto Java 21
Additional details
Usage instructions
SSH to the instance and login as 'ec2-user' using the key specified at launch. Additional information may be found at : https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AccessingInstancesLinux.html After entering the system, please check the Readme file under the /root path, which contains detailed configuration information
Support
Vendor support
SSH to the instance and login as 'ec2-user' using the key specified at launch. Additional information may be found at : https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AccessingInstancesLinux.html After entering the system, please check the Readme file under the /root path, which contains detailed configuration information
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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