Overview
Understand exactly how packets move inside, between, and beyond your containers.
First 3 emails are free; unlock the remaining 7 when you’re ready.
| Duration | Pace | Effort |
|---|---|---|
| 10 days | 1 email / day | ≈ 5 min / drill |
Who this is for
- DevOps / SREs troubleshooting multi-container apps
- Backend devs curious why
localhostisn’t the answer in Docker - Network engineers dipping toes into container stacks
Sneak-peek curriculum
| Day | Skill unlocked | 5-Minute Exercise |
|---|---|---|
| 1 | Net namespaces & veth pairs | Trace traffic with ip link inside a fresh container |
| 2 | Default bridge (docker0) | Launch two containers and verify ARP / ping across the bridge |
| 3 | User-defined bridges | Create --driver bridge network and attach running containers |
| 4-10 | 🤫 Pro + Bonus drills | Overlay networking • DNS round-robin • --publish pitfalls • IPTables inspection • Host-gateway • CNI intro • Service-mesh preview |
Full syllabus delivered after purchase — no guesswork.
Results you’ll ship
- Zero “it works on my laptop” port bugs
- Repeatable, least-privilege network setups for CI/CD pipelines
- Faster incident response with packet-level visibility
Get the full series — $9
Unlock days 4-10 now »14-day money-back guarantee. One-time payment, no subscription.
FAQ
Do I need Swarm or Kubernetes?
No. The drills run with stand-alone Docker; overlay concepts translate directly to Swarm & K8s later.
Will these lessons change my existing containers?
All exercises use isolated test containers or networks — your running workloads stay untouched.
Can I pace it slower?
Sure! Each email stands alone; skip a day and pick up where you left off.
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