# Fly.io configuration for LinkForty
# See https://fly.io/docs/reference/configuration/ for full documentation

app = "linkforty-core" # Change this to your unique app name
primary_region = "iad" # Change to your preferred region (iad = Washington DC)

# Build configuration
[build]
  # Use the Dockerfile from the examples directory
  dockerfile = "../../examples/Dockerfile"

# Environment variables (non-sensitive)
[env]
  NODE_ENV = "production"
  PORT = "8080"
  # DATABASE_URL and REDIS_URL should be set as secrets (see DEPLOYMENT.md)

# HTTP service configuration
[http_service]
  internal_port = 8080
  force_https = true
  auto_stop_machines = false  # Keep at least one machine always running
  auto_start_machines = true
  min_machines_running = 1    # Always keep at least one instance running

  # HTTP service concurrency
  [http_service.concurrency]
    type = "requests"
    hard_limit = 250          # Maximum concurrent requests per machine
    soft_limit = 200          # Target concurrent requests before scaling

# Health checks
[[http_service.checks]]
  grace_period = "10s"        # Wait before starting health checks
  interval = "30s"            # Check every 30 seconds
  method = "GET"
  timeout = "5s"
  path = "/health"            # Ensure your app has a /health endpoint

# VM resources
# Start with shared-cpu-1x (256MB RAM) - scale up as needed
[vm]
  cpu_kind = "shared"
  cpus = 1
  memory_mb = 256

# Metrics (optional but recommended)
[[metrics]]
  port = 9091                 # If you add Prometheus metrics
  path = "/metrics"

# Deploy configuration
[deploy]
  release_command = "npm run migrate" # Run migrations before deploying
  strategy = "rolling"               # Rolling deployment strategy

# Scaling configuration
# Uncomment and adjust for auto-scaling based on traffic
# [[services.autoscaling]]
#   enabled = true
#   min_count = 1              # Minimum number of machines
#   max_count = 10             # Maximum number of machines

# Multi-region deployment (optional)
# Uncomment to deploy to multiple regions for lower latency
# [[regions]]
# name = "iad"  # Primary region (US East)
# [[regions]]
# name = "lhr"  # Europe (London)
# [[regions]]
# name = "syd"  # Asia-Pacific (Sydney)