Run Local LLMs with Ollama + Spring Boot REST API (2026)

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CRUD + REST guide

Source code: munonye-ai-chat-spring-angular on GitHub

Estimated reading time: 12–15 minutes · Last updated: July 1, 2026

This Ollama Spring Boot tutorial runs local LLMs with no OpenAI bill — ideal for development and air-gapped environments. Part of AI Developer Tutorials.

Install Ollama

curl -fsSL https://ollama.com/install.sh | sh
ollama pull llama3.2
ollama serve

Spring configuration

Replace OpenAI starter with:

<dependency>
  <groupId>org.springframework.ai</groupId>
  <artifactId>spring-ai-ollama-spring-boot-starter</artifactId>
</dependency>

spring.ai.ollama.base-url=http://localhost:11434
spring.ai.ollama.chat.options.model=llama3.2

Your M7-A ChatController works unchanged.

Next: Angular signals for chat state (M10-B)

Related:
AI Developer Tutorials hub ·
Angular CRUD Part 1 ·
Spring AI overview