Migration Scope

Define your migration landscape

Model: 1 developer migrates 1 service end-to-end (code + test + validate)

Service Portfolio

Total services / applications

Count of deployable services sharing these Spring deps

Tier Classification

How many services fall into each complexity tier?

S

Simple

Minor/patch upgrade, standard config, few or no CVEs

~1 week per service ~40 hrs
M

Medium

Major version jump (e.g. 2.x→3.x), API changes, moderate CVEs

~2-3 weeks per service ~120 hrs
C

Complex

Major upgrade + custom BOM/security + high CVE count + inter-service deps

~4-5 weeks per service ~180 hrs
Total classified 50 / 50
Environment & Overhead

Team structure

Deployment sites

Air-gapped environments

Compliance requirement

Pricing

Developer daily rate (fully loaded)

$ /day

Project management overhead

PM, coordination, wave planning

Live Estimate

What this migration will cost

Total Estimated Migration Cost

$0

$0

Avg cost per service

0

Developer-months

0

Months (5 devs)

Migration Breakdown

Category Services Days / Svc Cost / Svc Total

Sanity Check

Key Drivers