Add production deployment infrastructure (Agent 4)
- Docker: Multi-stage Dockerfile with security hardening, docker-compose
for production and development environments
- Environment: Comprehensive .env.example with all config options,
lib/config/env.ts for typed environment validation
- Logging: Structured JSON logging with request/response middleware
- Monitoring: Prometheus metrics endpoint, Grafana dashboard, health
checks (liveness/readiness probes)
- Security: Security headers, rate limiting, CORS middleware
- CI/CD: GitHub Actions workflows for CI, production deploy, and
preview deployments
- Error tracking: Sentry integration foundation
Files created:
- Docker: Dockerfile, docker-compose.yml, docker-compose.dev.yml, .dockerignore
- Config: lib/config/env.ts, lib/config/index.ts
- Logging: lib/logging/logger.ts, lib/logging/middleware.ts
- Monitoring: lib/monitoring/sentry.ts, lib/monitoring/metrics.ts,
lib/monitoring/health.ts
- Security: lib/security/headers.ts, lib/security/rateLimit.ts,
lib/security/cors.ts
- API: pages/api/health/*, pages/api/metrics.ts
- Infra: infra/prometheus/prometheus.yml, infra/grafana/*
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