initial production version

DOCKER.md

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+# Docker Guide
+
+## Docker Compose
+
+```bash
+# Start services
+docker-compose up -d
+
+# Setup database
+docker-compose exec app bun run db:push
+
+# View logs
+docker-compose logs -f app
+
+# Stop services
+docker-compose down
+```
+
+Visit `http://localhost:3000`
+
+## Docker Build
+
+```bash
+# Build image
+docker build -t wishlist-app .
+
+# Run container
+docker run -d \
+  -p 3000:3000 \
+  -e DATABASE_URL="postgresql://user:pass@host:5432/db" \
+  --name wishlist-app \
+  wishlist-app
+```
+
+## Environment Variables
+
+Required:
+- `DATABASE_URL` - PostgreSQL connection string
+- `NODE_ENV` - Set to `production`
+- `PORT` - Default `3000`
+
+## Database Setup
+
+```bash
+# docker-compose
+docker-compose exec app bun run db:push
+
+# Standalone container
+docker exec -it wishlist-app bun run db:push
+```
+
+## Migrations
+
+Production migrations:
+```bash
+docker exec -it wishlist-app bun run db:migrate
+```