schadokar

// web3.js
const fs = require("fs");
const Web3 = require("web3");

const web3Network = "ganache"

// creating a web3 instance on ganache-cli network
// Here the url is http://ganache:8545
// this ganache is the name of the container in which ganache-cli is running
const web3 = new Web3(new Web3.providers.HttpProvider("http://ganache:8545"))

schadokar

const fs = require("fs-extra");
const path = require("path");
const {web3, web3Network} = require("./web3");
const compiledContract = require("./build/Message.json");
const circularJSON = require('circular-json');

const deploy = async (mymessage) => {
    try {
        // set the receipt path 
        const receiptPath = path.resolve("ethereum","receipt-"+web3Network+".json");

schadokar

const fs = require("fs-extra");
const path = require("path");
const solc = require("solc");

const compile = () => {
    try {
    // build path where compiled contract will save
    const buildPath = path.resolve(__dirname,"./build");

    // remove the build folder if it exist

schadokar

pragma solidity ^0.4.25;

contract Message {
    
    string public message;
    
    constructor(string memory _message) public {
        message = _message;
    }
    

schadokar

# base image - node:alpine
FROM node:alpine

# set the working directory to /app
WORKDIR /app

# install ganache-cli globally
RUN npm install -g ganache-cli

# set the command ganache-cli -h 0.0.0.0