implemented release build

README.md

@@ -1 +1,20 @@
 # paradox-save-parser-frontend
+
+## Install dependencies
+
+```sh
+npm i
+```
+
+## Build release
+
+```sh
+npm run build
+```
+
+## Run release
+
+```sh
+cd .next/standalone
+node --enable-source-maps ./server.js
+```

next.config.ts

@@ -2,7 +2,29 @@ import type { NextConfig } from 'next'
 
 const nextConfig: NextConfig = {
     experimental: {
+        // call tsc6 instead of import 'typescript'
         useTypeScriptCli: true,
+        // faster "npm run dev"
+        turbopackFileSystemCacheForDev: true,
+        // don't create temporary files in .next/ during "npm run build"
+        turbopackFileSystemCacheForBuild: false,
+        // options to make standalone build more debuggable
+        serverSourceMaps: true,
+        serverMinification: false,
+    },
+    // produce .next/standalone
+    // which can be started by `node server.js` without any dependencies
+    output: 'standalone',
+    images: {
+        unoptimized: true,
+    },
+    // remove next/image from build, which this project doesn't use
+    outputFileTracingExcludes: {
+        '*': ['node_modules/sharp/**', 'node_modules/@img/**'],
+    },
+    // sometimes production builds ran without proper type checking
+    typescript: {
+        ignoreBuildErrors: false,
     },
 }
 

package.json

@@ -6,6 +6,7 @@
         "dev": "cross-env NEXT_TELEMETRY_DISABLED=1 next dev --turbopack",
         "prebuild": "node scripts/replace-tsc6-with-tsc7.mjs",
         "build": "cross-env NEXT_TELEMETRY_DISABLED=1 next build",
+        "postbuild": "node scripts/prepare-build.mjs",
         "start": "next start",
         "lint": "eslint",
         "format": "npx prettier --write ."

scripts/prepare-build.mjs

@@ -0,0 +1,36 @@
+/**
+Assembles a self-contained deployment folder at ./build/ from the
+`output: 'standalone'` next build output. Next.js does not include
+.next/static or public/ in .next/standalone by itself, so this script
+copies them in. The result can be deployed as-is and started with
+`node server.js` from inside ./build/, without running `npm install`.
+ */
+
+import { cpSync, existsSync, rmSync } from 'node:fs'
+import path from 'node:path'
+
+const root = path.resolve(import.meta.dirname, '..')
+const standaloneDir = path.join(root, '.next', 'standalone')
+const buildDir = path.join(root, 'build')
+
+if (!existsSync(standaloneDir)) {
+    console.error(
+        `${standaloneDir} not found. Run "next build" with output: 'standalone' set in next.config.ts first.`
+    )
+    process.exit(1)
+}
+
+rmSync(buildDir, { recursive: true, force: true })
+cpSync(standaloneDir, buildDir, { recursive: true })
+cpSync(
+    path.join(root, '.next', 'static'),
+    path.join(buildDir, '.next', 'static'),
+    { recursive: true }
+)
+
+const publicDir = path.join(root, 'public')
+if (existsSync(publicDir)) {
+    cpSync(publicDir, path.join(buildDir, 'public'), { recursive: true })
+}
+
+console.log(`build assembled at ${buildDir}`)