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This application is a Chatbot that uses the OpenAI API to maintain a conversation, it has an interface similar to ChatGPT itself.

Chat Front-end

• Next.js
• BFF (Route Handlers)
• SES
• gRPC Client
• MySQL
• Prisma
• SWR
• Next Auth
• Keycloak
• Tailwindcss
• Docker + Docker Compose

Chat Microservice

• Golang
• MySQL
• SQLC
• Go Chi
• Go OpenAI
• gRPC Server Stream
• REST API
• Docker + Docker Compose

Access the folder:

$cd chat-service

Create.env file:

$ cp .env.example .env

Update the variable values as needed.

Create OpenAI Secret Key and update the variable below:

OPENAI_API_KEY="PASTE THE OPENAI SECRET KEY VALUE"

Access the folder:

$cd chat

Create.env file:

$ cp .env.example .env

Update the variable values as needed.

Configure/etc/hosts:

# Mac and Linux# /etc/hosts# Windows# C:\Windows\System32\drivers\etc\hosts127.0.0.1 host.docker.internal

Keycloak settings

Access Keycloak Administration Console

Username: admin

Password: admin

http://host.docker.internal:9000

Create Realm:

Realm name: chat-app

Enabled: yes

Create User:

This user will be used for you to access app, so define as you wish the name, email, etc.

After create user, go toCredentials tab and set a new password, unchecked temporary option.

Create Client:

ClientID: nextjs

Valid redirect URIs:http://localhost:3000/*

Web origins:http://localhost:3000/*

Client authentication: On

Authentication flow: Standard flow and Direct access grants

After create client, go toCredentials tab and copyClient secret value and add in the.env file:

KEYCLOAK_CLIENT_SECRET="PASTE THE CLIENT SECRET VALUE"

Up Container:

$ docker-compose up -d

Access container:

$ dockerexec -it chatservice_app /bin/bash

Install dependencies:

$ go mod tidy

Run migrations:

$ make migrate

Run microservice:

$ go run cmd/chatservice/main.go

Up Container:

$ docker-compose up -d

Access container:

$ dockerexec -it chat_app /bin/bash

Install dependencies:

$ npm install

Run migrations:

$ npx prisma migrate dev

Run front-end:

$ npm run dev