Containerization

Kind: mechanism

Layer: Resource Core

Record: architecture:containerization

Severity: contextual

Scope: application, runtime, deployment

Canonical: Ontology

A mechanism that packages an application with its runtime dependencies into an image that runs the same on any host.

Listed in Architecture principles, after Environment Parity and before Infrastructure as Code.

Requires

• Image Definition
• Externalized Config

Reinforces

• Portability
• Environment Parity

Enables

• Repeatable Runtime Packaging

Conflicts with

• Host-Coupled Deployment

In tension with

• Image Complexity

Tensions

• Containerization / Image Complexity

Violated by

• Host-Coupled Deployment

Refactored by

• Externalize Configuration

Severity

• contextual

Category

• Portability / Infrastructure / Deployment

Refactors

• Repeatability

Linked from

• Correctness / Determinism / Verification
• Portability / Infrastructure / Deployment
• Control / Coordination / Centralization
• Portability / Infrastructure / Deployment
• Severity levels
• The resolutions