Refactor production setup and database management

- Updated Dockerfile for production to ensure proper database permissions and improved startup script.
- Removed outdated PRODUCTION_README.md and consolidated relevant information into other documentation.
- Enhanced deploy.sh script to fix database permissions and streamline deployment process.
- Modified docker-compose configuration to use a dedicated production file and adjusted port mappings.
- Removed legacy docker-compose.yml file to avoid confusion.
- Improved session management by refining secure cookie settings based on environment variables.
- Deleted obsolete Nginx configuration and old seed scripts to clean up the project structure.
- Updated database setup scripts to reflect new structure and removed old seed data scripts.
- Adjusted reset-db script to use environment variable for database path.
- Enhanced setup-database script to provide dynamic admin credentials in the summary.
- Removed unnecessary backup file for SQLite database.

.env.example

@@ -1,14 +1,33 @@
-# Database
-DATABASE_URL="./sqlite.db"
+# Environment Configuration Template
+# Copy this to .env.production and fill in your values
 
-# NextAuth.js
-NEXTAUTH_URL="http://localhost:3000"
-NEXTAUTH_SECRET="your-secret-key-here-make-this-very-long-and-random"
+# === REQUIRED VARIABLES ===
+# Database URL (host path - gets mounted into container)
+DATABASE_URL=./data/sqlite.db
 
-# Email Configuration (Gmail)
-EMAIL_USER="your-email@gmail.com"
-EMAIL_PASSWORD="your-app-password-here"
+# NextAuth.js Configuration (REQUIRED)
+NEXTAUTH_URL=https://your-domain.com
+NEXTAUTH_SECRET=your-long-random-secret-here-generate-with-openssl-rand-base64-32
 
-# Admin Configuration
-ADMIN_EMAIL="admin@example.com"
-ADMIN_PASSWORD="admin123"
+# Admin User (CHANGE THESE!)
+ADMIN_EMAIL=admin@your-domain.com
+ADMIN_PASSWORD=your-secure-admin-password
+
+# === OPTIONAL VARIABLES ===
+# Application Environment
+NODE_ENV=production
+PORT=3000
+
+# Email Configuration (for notifications - optional)
+EMAIL_USER=your-email@gmail.com
+EMAIL_PASSWORD=your-gmail-app-password
+
+# Rate Limiting (defaults provided)
+RATE_LIMIT_MAX=100
+RATE_LIMIT_WINDOW=900000
+
+# Logging Level
+LOG_LEVEL=info
+
+# Local Development Override (for HTTP testing)
+DISABLE_SECURE_COOKIES=false