Update environment configuration for PostgreSQL: Add new environment variables for NextAuth and PostgreSQL settings in .env file, update docker-compose.yml to utilize these variables, and enhance README documentation for environment setup. Ensure DATABASE_URL is constructed dynamically if not defined.

lib/prisma.ts

@@ -2,8 +2,31 @@ import { PrismaClient } from "@/prisma/generated/prisma/client";
 import { PrismaPg } from "@prisma/adapter-pg";
 import { Pool } from "pg";
 
+// Construire DATABASE_URL si elle n'est pas définie, en utilisant les variables individuelles
+let databaseUrl = process.env.DATABASE_URL;
+
+if (!databaseUrl) {
+  const user = process.env.POSTGRES_USER || "gotgaming";
+  const password = process.env.POSTGRES_PASSWORD || "change-this-in-production";
+  const host = process.env.POSTGRES_HOST || "got-postgres";
+  const port = process.env.POSTGRES_PORT || "5432";
+  const db = process.env.POSTGRES_DB || "gotgaming";
+
+  // Encoder le mot de passe pour l'URL
+  const encodedPassword = encodeURIComponent(password);
+  databaseUrl = `postgresql://${user}:${encodedPassword}@${host}:${port}/${db}?schema=public`;
+}
+
+if (typeof databaseUrl !== "string") {
+  throw new Error("DATABASE_URL must be a string");
+}
+
+// Logger l'URL de connexion (masquer le mot de passe pour la sécurité)
+const logUrl = databaseUrl.replace(/:\/\/[^:]+:[^@]+@/, "://***:***@");
+console.log(`[Prisma] Connecting to PostgreSQL: ${logUrl}`);
+
 const pool = new Pool({
-  connectionString: process.env.DATABASE_URL,
+  connectionString: databaseUrl,
 });
 
 const adapter = new PrismaPg(pool);