Huge v2 uplift, now deployable with real user management and tooling!

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

server/.env.example

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+# Golf Game Server Configuration
+# Copy this file to .env and adjust values as needed
+
+# Server settings
+HOST=0.0.0.0
+PORT=8000
+DEBUG=true
+LOG_LEVEL=DEBUG
+
+# Environment (development, staging, production)
+# Affects logging format, security headers (HSTS), etc.
+ENVIRONMENT=development
+
+# Legacy SQLite database (for analytics/auth)
+DATABASE_URL=sqlite:///games.db
+
+# V2: PostgreSQL for event store
+# Used with: docker-compose -f docker-compose.dev.yml up -d
+POSTGRES_URL=postgresql://golf:devpassword@localhost:5432/golf
+
+# V2: Redis for live state cache and pub/sub
+# Used with: docker-compose -f docker-compose.dev.yml up -d
+REDIS_URL=redis://localhost:6379
+
+# Room settings
+MAX_PLAYERS_PER_ROOM=6
+ROOM_TIMEOUT_MINUTES=60
+
+# Security (optional)
+# SECRET_KEY=your-secret-key-here
+# INVITE_ONLY=false
+# ADMIN_EMAILS=admin@example.com,another@example.com
+
+# V2: Email configuration (Resend)
+# Get API key from https://resend.com
+# RESEND_API_KEY=re_xxxxxxxx
+# EMAIL_FROM=Golf Game <noreply@yourdomain.com>
+
+# V2: Base URL for email links
+# BASE_URL=http://localhost:8000
+
+# V2: Session settings
+# SESSION_EXPIRY_HOURS=168
+
+# V2: Email verification
+# Set to true to require email verification before login
+# REQUIRE_EMAIL_VERIFICATION=false
+
+# V2: Rate limiting
+# Set to false to disable API rate limiting
+# RATE_LIMIT_ENABLED=true
+
+# V2: Error tracking (Sentry)
+# Get DSN from https://sentry.io
+# SENTRY_DSN=https://xxx@xxx.ingest.sentry.io/xxx