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.env.example

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+# App
+APP_ENV=development
+APP_PORT=8080
+APP_BASE_URL=http://localhost:8080
+
+# Database
+DB_HOST=localhost
+DB_PORT=5432
+DB_USER=postgres
+DB_PASSWORD=postgres
+DB_NAME=cardverse
+DB_SSLMODE=disable
+
+# JWT (Access Token & Refresh Token)
+JWT_SECRET="FIU@&^SIAU@&sg187AS128&#YUD927"
+JWT_EXPIRES_HOURS=1
+JWT_REFRESH_SECRET="REFRESH_FIU@&^SIAU@&sg187AS128&#YUD927"
+JWT_REFRESH_EXPIRES_HOURS=168
+
+# Rate Limit (global, per-IP)
+RATE_LIMIT_RPS=5
+RATE_LIMIT_BURST=10
+
+# Google OAuth
+GOOGLE_CLIENT_ID="123456789012-abcdefghijklmnopqrstuvwxyz123456.apps.googleusercontent.com"