> For the complete documentation index, see [llms.txt](https://docs.bsquared.network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bsquared.network/for-developers/deploy_a_node_from_scratch.md).

# Deploy a node from scratch(snap sync)

Deployment is similar to the previous two articles, with the following differences:

1. No need to download snapshot data.
2. Start the node with snap sync to quickly bring up a usable node.

## Steps

1. Download the following files:

   * [genesis.json](https://github.com/b2network/docs/blob/main/nodes/genesis.json)
   * [rollup.json](https://github.com/b2network/docs/blob/main/nodes/rollup.json)

   ```bash
   bsquare-snap data git:(main) ✗ ls *.json | xargs sha1sum
   21248ccd9515c620b8440b3c2f53fbca0e8a3d2a  genesis.json
   094b023b962645933894185ff4d9f568edd3865b  rollup.json
   ```
2. Create a docker-compose.yml file，referring to [Setup B2 Node](/for-developers/running_rollup_node.md#setup-b2-node)
3. Start the container `us-docker.pkg.dev/oplabs-tools-artifacts/images/op-geth:v1.101315.2` and run `geth init genesis.json` to initialize the node, remember to persist the data( default path `/root/.ethereum`)
4. Configure environment variables:
   1. op-geth: `GETH_SYNCMODE=snap`
   2. op-node: `OP_NODE_SYNCMODE=execution-layer`
5. `docker compose up -d` to start the node.
6. ![](/files/b28FNUo8cnkz6L4ymIFR)