Requirements

	Standard Stack #	Custom Stack†#
Operating System	Docker / Containers	Custom Docker Image
Orchestrator	Docker Compose on Docker CE Linux Kubernetes	Custom Orchestrator
Application Server	Tomcat 9+	Tomcat 9+
Database	PostgreSQL 15+ RDS PostgreSQL 15+	PostgreSQL 15+ RDS PostgreSQL 15+
Elasticsearch	Open Search 1.3 AWS OpenSearch Service
JVM	Java 21 (Current; LTS 25.07 & 24.12) (Note: Currently in Java 11 compatibility mode as a transitional measure.) Java 11 (LTS 24.04 and earlier)
Hardware	Multi-Core Processor 8+ GB RAM (Dedicated) 100GB HD
Client Browser	Evergreen versions of: MS Edge Chrome Firefox
Authentication	OAuth 2 / OpenId Connect SAML Active Diretory / ADFS

†	dotCMS provides support for environments that meet these requirements for an additional cost.