### StandardJS Linting Setup

Source: https://github.com/brave-intl/bat-ledger/blob/master/README.md

Instructions for setting up StandardJS for linting, including installing necessary IDE plugins and global packages for ES7 features.

```javascript
// For linting we use StandardJS. It's recommended that you install the necessary IDE plugin.
// Since this repo uses ES7 features, you'll need a global install of both the standard and babel-eslint packages.
```

--------------------------------

### Build and Start Local Servers

Source: https://github.com/brave-intl/bat-ledger/blob/master/README.md

Commands to build Docker images for local servers and then start them.

```bash
npm run docker-build

npm run docker-up
```

--------------------------------

### Project Setup Scripts

Source: https://github.com/brave-intl/bat-ledger/blob/master/test/secrets/README.md

This snippet shows the commands to run for setting up the project. It includes removing old files, creating new certificates, and generating client configurations.

```bash
rm broker1* consumer*kafka* snakeoil-ca*
./create-certs.sh
./generate-client.sh
```

--------------------------------

### npm Install with Ignored Scripts

Source: https://github.com/brave-intl/bat-ledger/blob/master/README.md

Instructions for performing an npm install while ignoring postinstall scripts, which may be necessary in certain environments.

```sh
# npm install
you may also have to use npm without running the postinstall scripts. use the `--ignore-scripts` flag.
```

--------------------------------

### Prepare .env file

Source: https://github.com/brave-intl/bat-ledger/blob/master/README.md

Steps to prepare the .env file for local development, including copying the example and ensuring variables match CI configuration.

```sh
# Prepare .env file

1. Copy example over: `cp .env.example .env`.
2. Confirm .env vars match the contents of `.github/workflows/ci.yaml` section `env`.
3. Fill in the remaining `{CHANGE_ME}` .env vars appropriately; please consult your local BAT dev to find the answers.
```

--------------------------------

### Debugging with Node Inspector

Source: https://github.com/brave-intl/bat-ledger/blob/master/README.md

Command to start the eyeshade-web service with Node.js inspector enabled, allowing remote debugging on port 9229.

```bash
docker-compose run --rm -p 9229:9229 eyeshade-web npm run start-eyeshade -- --inspect=0.0.0.0
```

--------------------------------

### Add Surveyor Contribution

Source: https://github.com/brave-intl/bat-ledger/blob/master/README.md

Example using curl to POST a surveyor contribution to the ledger service API. Requires an authorization token and specific JSON payload.

```sh
curl -X POST --header 'Authorization: Bearer foobarfoobar' --header 'Content-Type: application/json' --header 'Accept: application/json' -d '{"adFree":{"fee":{"USD":5},"votes":50,"altcurrency":"BAT","probi":"27116311373482831368"}}' 'http://127.0.0.1:3001/v2/surveyor/contribution'
```

--------------------------------

### Running Ava Tests

Source: https://github.com/brave-intl/bat-ledger/blob/master/README.md

Commands for executing tests using the Ava test runner, both locally and within Docker containers. Includes passing arguments to Ava.

```bash
# Running Individual tests
`bat-ledgers` is executing tests using `ava` which can be executed via `npm run ava` and the requires args for any individual test can be passed to the command using `npm` scripts args syntax.  See below:

npm run ava -- -v -s eyeshade/workers/referrals.test.js

Or, if invoking the container externally,

docker-compose run --rm -p 9229:9229 eyeshade-web npm run ava -- -v -s test/eyeshade/suggestions.integration.test.js
```

--------------------------------

### Running Docker Compose Services

Source: https://github.com/brave-intl/bat-ledger/blob/master/README.md

Commands to manage Docker Compose services for the bat-ledger project. This includes bringing up all services, specific services, running in the background, and stopping services.

```bash
# To bring up all the services :
docker-compose up

# Logs from all services presented interleaved, you can press ctrl-c to stop.
# Ledger listens on port 3001, eyeshade on 3002, and balance on 3003

# Note you can run any subset of services (e.g. only eyeshade)
docker-compose up eyeshade-web eyeshade-consumer

# You can also launch and run services in the background
docker-compose up -d eyeshade-web eyeshade-consumer

# And stop running background services with
docker-compose stop
```

--------------------------------

### Run Tests with Docker

Source: https://github.com/brave-intl/bat-ledger/blob/master/README.md

Command to execute all tests within the Docker environment.

```bash
npm run docker-test
```

--------------------------------

### Postgres Migrations

Source: https://github.com/brave-intl/bat-ledger/blob/master/README.md

Commands to manage database schema migrations using Docker. This includes applying all pending migrations and reverting a specific migration.

```bash
# You can run all migrations to upgrade the schema to the latest version using:

npm run docker-migrate-up

# You can reverse a particular migration by running:

npm run docker-migrate-down -- migrations/0001_transactions/down.sql
```

--------------------------------

### Docker Compose Network Configuration

Source: https://github.com/brave-intl/bat-ledger/blob/master/README.md

Configuration snippet to allow other Docker containers to join the 'ledger' network for inter-container communication.

```yaml
networks:
  ledger:
      external: true
```

--------------------------------

### Disallow All Crawling

Source: https://github.com/brave-intl/bat-ledger/blob/master/static/robots.txt

This configuration disallows all web crawlers from accessing any part of the project. It is typically used for private or sensitive repositories.

```robots
User-agent: *
Disallow: /

```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.