ReddRadar
Agent skill
flyio-prod-checklist
Execute Fly.io production deployment checklist with health checks, auto-scaling, monitoring, and rollback procedures. Trigger: "fly.io production", "fly.io go-live", "fly.io prod checklist".
Install this agent skill to your Project
npx add-skill https://github.com/jeremylongshore/claude-code-plugins-plus-skills/tree/main/plugins/saas-packs/flyio-pack/skills/flyio-prod-checklist
SKILL.md
Fly.io Production Checklist
Pre-Deployment
Infrastructure
-
min_machines_running = 1(avoid cold starts) - Machines in 2+ regions for redundancy
- VM sized appropriately (
fly scale show) - Volumes backed up (if using persistent storage)
- Postgres has standby replica
Configuration
- All secrets set via
fly secrets(not[env]) -
force_https = true - Health check configured with appropriate grace period
- Custom domain with TLS certificate active
- Concurrency limits tuned for your app
Code Quality
- Dockerfile builds successfully locally
- App responds on health check endpoint
- Graceful shutdown handles SIGTERM
- No hardcoded secrets in codebase
Production fly.toml
app = "my-app"
primary_region = "iad"
[http_service]
internal_port = 3000
force_https = true
auto_stop_machines = "stop"
auto_start_machines = true
min_machines_running = 1
[http_service.concurrency]
type = "requests"
hard_limit = 250
soft_limit = 200
[http_service.checks]
grace_period = "15s"
interval = "10s"
timeout = "3s"
path = "/health"
[[vm]]
cpu_kind = "shared"
cpus = 2
memory = "1gb"
Rollback Procedure
# List recent releases
fly releases -a my-app
# Rollback to previous release
fly deploy --image registry.fly.io/my-app:previous-version
# Or rollback to specific release
fly releases rollback 5 -a my-app
Monitoring
# Live logs
fly logs -a my-app
# Machine metrics
fly machine status <machine-id> -a my-app
# Platform status
curl -s https://status.flyio.net/api/v2/status.json | jq '.status.description'
Resources
Next Steps
For version upgrades, see flyio-upgrade-migration.
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