SkillCoded

Infrastructure as Code

State, Backends, and Locking

Protect OpenTofu state by selecting an appropriate backend, using locking, restricting sensitive access, and preserving a tested recovery path.

Intermediate14 min read
Infrastructure as Code lessonDelivery and reliability foundationsPractice

UNTIMED COACHING

Practice before the pressure

Use feedback to correct the model, not merely memorize an option position.

GUIDED PRACTICE

Practice the lesson questions

Answer normal lesson questions without a timer. Every answer includes an explanation, and incorrect answers can be tried again before continuing.

CONCEPT MODELS

See the lesson as a system

Use these visual guides to connect the key ideas before answering the questions.

Connect the roles in State, Backends, and LockingKeep managed state, remote backend, state lock, and sensitive contents as separate service roles.
Connect the roles in State, Backends, and LockingA topic-specific model connects four distinct roles used to reason about state, backends, and locking.
State dataData maps resources to remote object IDs
State storageStorage centralizes protected state access
Access securitySecurity prevents concurrent state writers
Credential securitySecurity treats all state access as privileged
Verify Recovery copyConnect recovery copy with its topic-specific inspection, expected outcome, and protected delivery boundary.
Verify Recovery copyA verification model for state, backends, and locking connects the final service decision to its check, result, and protected boundary.
State backupBackup preserves a known state snapshot
Starting checkInspect state backup
Expected resultConfirm state backup
Safety boundaryProtect state data scope