build: prepare Next.js standalone output and Payload Postgres adapter for Coolify deployment

.dockerignore

@@ -0,0 +1,12 @@
+node_modules
+.next
+.git
+.env
+.env.local
+dev.db
+*.db
+.DS_Store
+npm-debug.log*
+.vscode
+.gemini
+.agents

.env.example

@@ -1,2 +1,19 @@
-DATABASE_URI=file:./dev.db
+# Baza danych
+DATABASE_URI=postgres://user:password@localhost:5432/dbname
+# Dla lokalnego dewelopmentu:
+# DATABASE_URI=file:./dev.db
+
+# Payload
 PAYLOAD_SECRET=YOUR_SECRET_HERE
+
+# Opcjonalne: SMTP (do formularzy)
+# SMTP_HOST=
+# SMTP_PORT=
+# SMTP_USER=
+# SMTP_PASS=
+# SMTP_FROM_ADDRESS=
+# SMTP_FROM_NAME=
+
+# Opcjonalne: Turnstile (Cloudflare)
+# NEXT_PUBLIC_TURNSTILE_SITE_KEY=
+# TURNSTILE_SECRET_KEY=

next.config.ts

@@ -7,6 +7,7 @@ const __filename = fileURLToPath(import.meta.url)
 const dirname = path.dirname(__filename)
 
 const nextConfig: NextConfig = {
+  output: 'standalone',
   async headers() {
     const { buildSecurityHeaders } = await import('@intecion/ipal-kit')
     return [

src/payload.config.ts

@@ -1,4 +1,5 @@
 import { sqliteAdapter } from '@payloadcms/db-sqlite'
+import { postgresAdapter } from '@payloadcms/db-postgres'
 import { mcpPlugin } from '@payloadcms/plugin-mcp'
 import { seoPlugin } from '@payloadcms/plugin-seo'
 import { ipalKit, panelSmtpAdapter } from '@intecion/ipal-kit'
@@ -33,11 +34,9 @@ export default buildConfig({
   typescript: {
     outputFile: path.resolve(dirname, 'payload-types.ts'),
   },
-  db: sqliteAdapter({
+  db: process.env.DATABASE_URI?.startsWith('postgres')
-    client: {
+    ? postgresAdapter({ pool: { connectionString: process.env.DATABASE_URI }, push: false })
-      url: process.env.DATABASE_URI || '',
+    : sqliteAdapter({ client: { url: process.env.DATABASE_URI || '' } }),
-    },
-  }),
   sharp,
   localization: {
     locales: i18n.locales.map(l => l.code),