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Document SYNBIOHUB_BACKEND environment variable configuration #9

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Initial plan
Copilot Feb 17, 2026
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Add backend URL configuration documentation
Copilot Feb 17, 2026
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22 changes: 22 additions & 0 deletions docs/1_getting_started/installation.md
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Expand Up @@ -59,6 +59,28 @@ To run the base configuration:
`docker-compose -f ./docker-compose.yml down`


## Configuration

### Backend URL

The frontend backend URL can be configured using the `SYNBIOHUB_BACKEND` environment variable. If not set, it defaults to `http://localhost:7777`.

To use a custom backend URL, you can set it when starting Docker Compose:

```bash
SYNBIOHUB_BACKEND=http://your-backend-url:port docker-compose -f ./docker-compose.yml up
```

Alternatively, you can create a `.env` file in the same directory as `docker-compose.yml`:

```bash
cp .env.example .env
# Edit .env and uncomment/set SYNBIOHUB_BACKEND
docker-compose -f ./docker-compose.yml up
```

This is particularly useful when deploying SynBioHub2 in production environments where the backend may be hosted on a different server or port.

## With SBOLExplorer
You can also run SynBioHub2 by using SBOLExplorer.
To add [SBOLExplorer](https://github.com/michael13162/SBOLExplorer), add the `docker-compose.explorer.yml` to the main Docker Compose file, i.e., for step 5, run the following command:
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