firebase-sdk-with-netlify-functions build

package.json

    "start": "concurrently 'yarn start:client' 'yarn start:server'",
    "start:client": "webpack-dev-server --mode development --hot --config webpack.client.js",
    "start:server": "netlify-lambda serve src/lambda -c webpack.server.js",
    "build": "yarn build:client && yarn build:server && cd dist/server/ && yarn install",
    "build:client": "webpack --mode production --config webpack.client.js",
    "build:server": "netlify-lambda build src/lambda -c webpack.server.js"