2.2 webpack `node` configuration size comparison

configured-webpack.txt

Hash: 8ebeffa40e80dcf45116
Version: webpack 4.17.1
Child
    Hash: 8ebeffa40e80dcf45116
    Time: 35ms
    Built at: 09/08/2018 2:54:15 PM
        Asset      Size  Chunks             Chunk Names
    server.js  4.55 KiB    main  [emitted]  main
    Entrypoint main = server.js
    [./src/entries/server.jsx] 118 bytes {main} [built]
        + 1 hidden module
Hash: 69f29d6d67c399a6d5c1
Version: webpack 4.17.1
Child
    Hash: 69f29d6d67c399a6d5c1
    Time: 132ms
    Built at: 09/08/2018 2:54:21 PM
        Asset      Size  Chunks             Chunk Names
    server.js  4.55 KiB    main  [emitted]  main
    Entrypoint main = server.js
    [./src/entries/server.jsx] 118 bytes {main} [built]
        + 1 hidden module

not-configured-webpack.txt

Hash: 83ea41009a25bd992f66b698f218ef3829a1694f
Version: webpack 4.17.1
Child
    Hash: 83ea41009a25bd992f66
    Time: 5345ms
    Built at: 09/08/2018 2:28:16 PM
        Asset      Size  Chunks             Chunk Names
    bundle.js  3.22 MiB    main  [emitted]  main
    Entrypoint main = bundle.js
    [./node_modules/webpack/buildin/global.js] (webpack)/buildin/global.js 489 bytes {main} [built]
    [./src/entries/client.jsx] 325 bytes {main} [built]
    [./src/http/api.js] 689 bytes {main} [built]
    [./src/models/Apartments.js] 4.02 KiB {main} [built]
    [./src/models/Store.js] 2.24 KiB {main} [built]
        + 976 hidden modules
Child
    Hash: b698f218ef3829a1694f
    Time: 849ms
    Built at: 09/08/2018 2:28:12 PM
        Asset      Size  Chunks             Chunk Names
    server.js  5.68 KiB    main  [emitted]  main
    Entrypoint main = server.js
    [./src/entries/server.jsx] 1.21 KiB {main} [built]
    [koa] external "koa" 42 bytes {main} [built]
Hash: b698f218ef3829a1694f
Version: webpack 4.17.1
Child
    Hash: b698f218ef3829a1694f
    Time: 47ms
    Built at: 09/08/2018 2:30:19 PM
     1 asset
    Entrypoint main = server.js
    [./src/entries/server.jsx] 1.21 KiB {main} [built]
        + 1 hidden module