minecraft · agones · fabric

Fabric Minecraft onAgones

A Fabric Minecraft 1.21.11 dedicated server deployed via Agones on Kubernetes. A multi-stage Docker build compiles a Rust JNI behavior-tree AI mod and bundles it alongside a performance mod stack, an Old Combat Mod, and Modrinth mods.

View source Mod stack

Rust AI over JNI

behavior_statetree is a Rust/Tokio NPC AI mod compiled to a cdylib, bundled into the server JAR via Gradle/Fabric Loom and a Docker multi-stage build, driving NPC behavior over JNI.

Loader — Fabric, Minecraft 1.21.11.
Orchestration — Agones Fleet on Kubernetes.

kbve/mcImage

Fabric 1.21.11Loader

itzg java21Base

Agones FleetOrchestration

Fabric performance stack

C2ME, VMP, Lithium, FerriteCore, ServerCore, and Chunky for chunk, memory, and server optimization.

Old Combat Mod

Restores 1.8-style combat mechanics.

Rust JNI AI

behavior_statetree NPC AI compiled to a cdylib and bundled via Loom.

Agones Fleet

Scheduled and scaled as an Agones GameServer fleet.

Stack

Mod stack & architecture

Mod	Purpose
Fabric API	Required dependency
C2ME	Concurrent chunk management
VMP	Very many players optimization
Lithium	General server optimization
FerriteCore	Memory usage optimization
ServerCore	Server-side performance tweaks
Chunky	Chunk pre-generation
Old Combat Mod	1.8-style combat mechanics
behavior_statetree	Rust/Tokio NPC AI via JNI

Architecture

Rust cdylib (behavior_statetree)
    └─► Gradle/Fabric Loom bundles .so into JAR
         └─► Docker multi-stage build
              └─► itzg/minecraft-server:java21
                   └─► Agones Fleet (arc-runners namespace)

What is the KBVE Minecraft server?

A Fabric Minecraft 1.21.11 dedicated server deployed via Agones on Kubernetes, bundling performance mods, an Old Combat Mod, and a Rust JNI behavior-tree AI plugin.

What is the behavior_statetree mod?

A Rust/Tokio NPC AI mod compiled to a cdylib and bundled into the server JAR via Gradle/Fabric Loom and a Docker multi-stage build, driving NPC behavior over JNI.

Which performance mods are included?

The stack includes Fabric API, C2ME, VMP, Lithium, FerriteCore, ServerCore, and Chunky for chunk management, memory, and general server optimization.