Change webpack config.

Changed webpack config to build only one single JS file that which even does not require the `node_modules` directory.

package.json

@@ -68,6 +68,7 @@
     "@typescript-eslint/parser": "^5.26.0",
     "chalk": "^4.1.2",
     "cli": "^1.0.1",
+    "copy-webpack-plugin": "^11.0.0",
     "eslint-plugin-deprecation": "^1.4.1",
     "express": "^4.18.2",
     "inquirer": "^8.2.5",
@@ -85,7 +86,7 @@
     "typescript-transform-paths": "^3.4.6",
     "webpack": "^5.89.0",
     "webpack-cli": "^5.1.4",
-    "webpack-node-externals": "^3.0.0"
+    "write-file-webpack-plugin": "^4.5.1"
   },
   "dependencies": {
     "@nestia/core": "^2.3.9",

webpack.config.js

@@ -1,6 +1,19 @@
 const path = require("path");
-const nodeExternals = require("webpack-node-externals");
 
+const CopyWebpackPlugin = require("copy-webpack-plugin");
+const WriteFilePlugin = require("write-file-webpack-plugin");
+const { IgnorePlugin } = require("webpack");
+
+const lazyImports = [
+  "@fastify/static",
+  "@fastify/view",
+  "@nestjs/microservices",
+  "@nestjs/websockets",
+  "class-transformer",
+  "class-validator",
+];
+
+// @reference https://tech-blog.s-yoshiki.com/entry/297
 module.exports = {
   // CUSTOMIZE HERE
   entry: {
@@ -17,7 +30,6 @@ module.exports = {
   },
 
   // JUST KEEP THEM
-  externals: [nodeExternals()],
   mode: "production",
   target: "node",
   module: {
@@ -32,4 +44,31 @@ module.exports = {
   resolve: {
     extensions: [".tsx", ".ts", ".js"],
   },
+  plugins: [
+    new CopyWebpackPlugin({
+      patterns: [
+        {
+          from: ".env",
+          to: "[name][ext]",
+        },
+        {
+          from: "./node_modules/.prisma/client/*.node",
+          to: () => Promise.resolve("[path][name][ext]"),
+        },
+      ],
+    }),
+    new WriteFilePlugin(),
+    new IgnorePlugin({
+      checkResource: (resource) => {
+        if (lazyImports.some((modulo) => resource.startsWith(modulo))) {
+          try {
+            require.resolve(resource);
+          } catch (err) {
+            return true;
+          }
+        }
+        return false;
+      },
+    }),
+  ],
 };