setup features

backend/.env.example

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+# Backend Environment Variables
+PORT=4000
+JWT_SECRET=your_super_secret_jwt_key_change_this_in_production
+
+# Database Configuration
+DB_HOST=db
+DB_USER=root
+DB_PASSWORD=rootpassword
+DB_NAME=whats_the_point
+
+# TMDB API Key (get from https://www.themoviedb.org/settings/api)
+TMDB_API_KEY=your_tmdb_api_key_here