> For the complete documentation index, see [llms.txt](https://toolkit.subquery.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://toolkit.subquery.dev/docs/migration_from_kepler_official_to_mainnet_toolkit.md).

# How to migrate Subquery indexer from kepler Official docker-composer to Toolkit Mainnet Solution

## Who can use it?

`Anyone. Migration script support Original Subquery Composer scripts and Toolkit.`

`PS. for long-live processes please always use tmux or screen. (tmux new)`

## Step 0

* Withdraw MATIC from operatos via GUI.

## # Setup software & prepare env.

`Run command from root.`

```
bash <(curl -s https://raw.githubusercontent.com/web3cdnservices/subquery-indexer-toolkit/mainnet/tools/migrate_from_kepler_to_mainnet_toolkit)
```

## OPTIONAL (Enable external access from WEB to grafana. will require subdomain.)

```
/usr/src/subquery-indexer-toolkit-mainnet/tools/enable_external_access_to_grafana
```

## OPTIONAL (Enable external access from WEB to COORDINATOR. will require subdomain And login\&password for basic auth)

```
/usr/src/subquery-indexer-toolkit-mainnet/tools/enable_external_access_to_coordinator
```

## Run indexer. (first run took 2-3 minutes. We use only sources, for prevent problems)

```
/usr/src/subquery-indexer-toolkit-mainnet/tools/start_indexer_with_wireguard
```

## Whats in? (Actions)

* Detect old indexer configuration (location & database password)
* Detect your postgres version
* Stop old projects and old testnet indexer
* stop\&disable nginx
* Install Mainnet indexer
* Generate configuration, certificates, and move database.
* Start new full-featured indexer.

PS after installation, backup your passwords and keys. All data located in: `/usr/src/subquery-indexer-toolkit-mainnet/SubqueryIndexerHandbook.tar.gz`