phantom/.env.example at main · AIEraDev/phantom · GitHub

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# =============================================================================
# PHANTOM - Development Environment Configuration
# =============================================================================
# This file configures the LOCAL DEVELOPMENT environment.
# Copy this to .env and fill in your values.
#
# FOR HACKATHON JUDGES:
# - Development uses Docker for code execution (no external API needed)
# - Production uses Judge0 Cloud for scalability (see .env.production.example)
# =============================================================================

# -----------------------------------------------------------------------------
# DATABASE
# -----------------------------------------------------------------------------
# PostgreSQL password for local Docker container
DB_PASSWORD=phantom_dev_password

# -----------------------------------------------------------------------------
# AUTHENTICATION
# -----------------------------------------------------------------------------
# JWT secret for signing tokens (change for production!)
JWT_SECRET=dev_jwt_secret_change_in_production

# -----------------------------------------------------------------------------
# AI FEATURES (Optional)
# -----------------------------------------------------------------------------
# Gemini API key for AI-powered code judging and hints
# Get your key at: https://makersuite.google.com/app/apikey
GEMINI_API_KEY=your_gemini_api_key_here

# -----------------------------------------------------------------------------
# CODE EXECUTION BACKEND
# -----------------------------------------------------------------------------
# Phantom supports two code execution backends:
#
# 1. DOCKER (Default for Development)
#    - Runs code in isolated Docker containers locally
#    - Requires Docker Desktop running on your machine
#    - No external API keys needed
#    - Best for: Local development, offline work
#
# 2. JUDGE0 (Recommended for Production)
#    - Uses Judge0 Cloud API for code execution
#    - Requires JUDGE0_API_KEY from RapidAPI
#    - Better scalability, no Docker infrastructure needed
#    - Best for: Production deployments, hackathon demos
#
# Options: 'docker' or 'judge0'
EXECUTION_BACKEND=docker

# Judge0 Cloud API Key (only needed if EXECUTION_BACKEND=judge0)
# Get your FREE API key at: https://rapidapi.com/judge0-official/api/judge0-ce
# Free tier: 50 requests/day - sufficient for demos
JUDGE0_API_KEY=your_judge0_api_key_here