Cloud Migration & DevOps

Infrastructure that scales without downtime.

Twistag moves warehouses, databases and workloads to the cloud with a fixed scope and a cutover date, then sets up the pipelines and monitoring that make every release routine.

Shipping containers stacked at a port, seen from above
Why migrate with a plan

Migrations rarely fail in the plan. They fail on the cutover weekend.

  • 01Servers nobody wants to touch. Old systems with one person who knows them.
  • 02Releases that need a weekend. Manual steps, long freezes and rollbacks by hand.
  • 03Cloud bills that grow faster than usage. No one sees what each workload costs.
What gets delivered

A migration with a date, and releases without drama.

Data quality checks are agreed up front, every environment is defined as code, and every release follows the same pipeline.

  1. 01Inventory and planEvery workload, dependency and risk, sequenced in waves.
  2. 02Landing zoneAccounts, network and security, defined as code.
  3. 03Migration wavesWorkloads moved in small, reversible steps.
  4. 04CI/CD pipelinesEvery change built, tested and released the same way.
  5. 05Observability and costLogs, metrics, alerts and cost per workload.
  6. 06Runbooks and handoverInfrastructure as code and runbooks the team can follow.
ExampleBefore and after

What the business notices

Before: 2 days20 minfrom merge to release
Before: 2 a month40 a monthreleases
Monthly infrastructure cost
Example figuresReported after each wave
How it runs

Six to twelve weeks, set by the workloads to move.

A pilot wave proves the approach before the rest moves. Every wave can be rolled back.

Workloads to move
6 weeks
Inventory and planDependencies and waves
Landing zoneAccounts, network, security
Pipelines and monitoringCI/CD, logs, alerts
Pilot waveOne workload, end to end
Migration wavesSmall, reversible steps
Final cutoverOld environment retired
An infrastructure ownerAgrees the plan and the cutover windows.
Access to current environmentsRead access to start the inventory.
An agreed cutover windowFor each wave.
After the migration

Build on it, connect more or hand it over.

Related work

Platforms running in the cloud.

All case studies
Questions

About cloud migration.

How much downtime should a migration expect?

Minutes per wave, planned in advance. Each wave is rehearsed and has a tested rollback.

Is the price fixed?

For a fixed-scope migration, yes: a fixed price and cutover date, with data quality checks agreed up front.

Which clouds does Twistag work with?

AWS, Google Cloud and Microsoft Azure, plus Cloudflare, Vercel and Supabase for the application layer.

How is security handled?

Delivery follows ISO 27001 controls. Access, encryption and backups are set up in the landing zone before any data moves.

Can cloud costs come down?

Each workload gets a cost view and right-sized resources. Savings are reported after each wave.

Who owns what is built?

The client owns everything: source code, infrastructure as code, pipelines, models and documentation, handed over in full with training for the team.
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