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Document {container} placeholder in README

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2026-01-31 10:15:05 +00:00
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@@ -109,13 +109,19 @@ Containers that only specify `webterm-theme` are still included and use the defa
**Environment Variables:**
- `WEBTERM_DOCKER_USERNAME` - Set to run Docker exec sessions as a specific user (default: root)
- `WEBTERM_DOCKER_AUTO_COMMAND` - Override the default `auto` command (default: `tmux new-session -As webterm`)
- `WEBTERM_DOCKER_AUTO_COMMAND` - Override the default `auto` command (default: `/bin/bash`). Supports `{container}` placeholder for the container name.
Example: Start containers and exec into them as `developer` user:
```bash
WEBTERM_DOCKER_USERNAME=developer webterm --docker-watch
```
Example: Use tmux with per-container session names:
```bash
WEBTERM_DOCKER_AUTO_COMMAND="tmux new-session -ADs {container}" webterm --docker-watch
```
This creates a tmux session named after each container (e.g., `my-webapp`, `redis`, etc.) instead of a shared session name.
Example docker-compose.yaml:
```yaml