mirror of
https://github.com/ToolJet/ToolJet
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26 lines
1,007 B
Markdown
26 lines
1,007 B
Markdown
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---
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id: architecture
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title: Architecture
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---
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# Introduction
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ToolJet has two main components: **ToolJet Server** and **ToolJet Client**.
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### 1. ToolJet Server
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ToolJet server is a Node.js API application. Server is responsible for authentication, authorization, persisting application definitions, running queries, storing data source credentials securely and more.
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**Dependencies:**
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- **PostgreSQL** - ToolJet server persists data to a postgres database.
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- **Email service** (SMTP/Sendgrid/Mailgun/etc) - Required to send user invitations and password reset emails.
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- **PostgREST (Optional)** - Standalone web server that converts PostgreSQL database into queryable RESTful APIs for Tooljet Database.
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### 2. ToolJet Client
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ToolJet client is a ReactJS application. Client is responsible for visually editing the applications, building & editing queries, rendering applications, executing events and their trigger, etc.
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## Requirements
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1. **Node version 18.3.0**
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2. **npm version 8.11.0**
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