Logstash is a free and open server-side data processing pipeline that ingests data from a multitude of sources, transforms it, and then sends it to your favorite "stash."
This section describes how one can use it on UNIX to migrate data from a PostgreSQL database to elasticsearch.
| const HDWalletProvider = require("truffle-hdwallet-provider"); | |
| require('dotenv').config(); // Store environment-specific variable from '.env' to process.env | |
| module.exports = { | |
| /** | |
| * Networks define how you connect to your ethereum client and let you set the | |
| * defaults web3 uses to send transactions. If you don't specify one truffle | |
| * will spin up a development blockchain for you on port 9545 when you | |
| * run `develop` or `test`. You can ask a truffle command to use a specific |
