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38 lines
881 B
38 lines
881 B
---
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id: installation
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title: Installation
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---
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It uses [Graphviz](https://www.graphviz.org/) to render the diagram, so you need to [install Graphviz](https://graphviz.gitlab.io/download/) to use **diagrams**. After installing graphviz (or already have it), install the **diagrams**.
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```shell
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$ pip install diagrams
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```
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## Quick Start
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```python
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# diagram.py
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from diagrams import Diagram
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from diagrams.aws.compute import EC2
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from diagrams.aws.database import RDS
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from diagrams.aws.network import ELB
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with Diagram("Web Service", show=False):
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ELB("lb") >> EC2("web") >> RDS("userdb")
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```
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This code generates below diagram.
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```shell
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$ python diagram.py
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```
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It will be saved as `web_service.png` on your working directory.
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## Next
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See more [Examples](/docs/examples) or see [Guides](/docs/diagram) page for more details.
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