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stack-orchestrator/app/data/stacks/gelato/README.md

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# Gelato watcher
Instructions to setup and deploy Gelato watcher using [laconic-stack-orchestrator](/README.md#install)
## Setup
Prerequisite: `ipld-eth-server` RPC and GQL endpoints
Clone required repositories:
```bash
laconic-so --stack gelato setup-repositories
# If this throws an error as a result of being already checked out to a branch/tag in a repo, remove the repositories mentioned below and re-run the command
```
Checkout to required version in the repo:
```bash
# gelato-watcher-ts
cd ~/cerc/gelato-watcher-ts
git checkout v0.1.0
```
Build the container images:
```bash
laconic-so --stack gelato build-containers
```
This should create the required docker images in the local image registry.
## Deploy
### Configuration
Create and update an env file to be used in the next step ([defaults](../../config/watcher-gelato/watcher-params.env)):
```bash
# External ipld-eth-server endpoints
CERC_IPLD_ETH_RPC=
CERC_IPLD_ETH_GQL=
# Whether to use a state snapshot to initialize the watcher
CERC_USE_STATE_SNAPSHOT=false
# State snapshot params
# Required if CERC_USE_STATE_SNAPSHOT is set to true
CERC_SNAPSHOT_GQL_ENDPOINT=
CERC_SNAPSHOT_BLOCKHASH=
```
* NOTE: If `ipld-eth-server` is running on the host machine, use `host.docker.internal` as the hostname to access the host port(s)
### Deploy the stack
```bash
laconic-so --stack gelato deploy --env-file <PATH_TO_ENV_FILE> up
```
To list down and monitor the running containers:
```bash
laconic-so --stack gelato deploy ps
# With status
docker ps
# Check logs for a container
docker logs -f <CONTAINER_ID>
```
The stack runs an active watcher with following endpoints exposed on the host ports:
* `3008`: watcher endpoint
* `9000`: watcher metrics
* `9001`: watcher GQL metrics
## Web Apps
TODO
## Clean up
Stop all services running in the background:
```bash
laconic-so --stack gelato deploy down
```
Clear volumes created by this stack:
```bash
# List all relevant volumes
docker volume ls -q --filter "name=.*gelato_watcher_db_data|.*gelato_watcher_state_gql"
# Remove all the listed volumes
docker volume rm $(docker volume ls -q --filter "name=.*gelato_watcher_db_data|.*gelato_watcher_state_gql")
```