Deployment risk is the possibility that releasing a software change will cause failures or disruption in an application.
Deployment risk is the possibility that releasing a software change causes failures or disruption. Microservices reduce its scope by allowing one service to change without risking the entire application. section 1.9
Reduced deployment risk has practical operational effects:
A faulty update may break one part of the application rather than bring down the whole system. section 1.9
Teams can roll back a small part of the system instead of reverting the entire application. section 1.9
Smaller recovery scope supports more frequent deployments and a faster development pace. section 1.9
How Bootstrapping Microservices, Second Edition: With Docker, Kubernetes, GitHub Actions, and Terraform covers it
How deep it goes
Explains localized failures and rollback consequences but stops short of prescribing deployment procedures.
Examples
Uses service updates, partial application failures, and rolling back a small system part as concrete examples.
What you can do after
Evaluate how service boundaries can localize failures and make rollbacks smaller.
How it connects
Connects deployment risk with microservices, distributed applications, reliability, scalability, and frequent deployments.
Investing for ProgrammersInvestment risk is the possibility that an investment will produce an unfavorable outcome, including loss or lower-than-expected returns.
Software Testing with Generative AIThe possibility that an action, system, or technology will cause harm, loss, failure, or another undesirable outcome.
risk matrixmeasured by · A risk matrix is a tabular or graphical tool that classifies risk levels by combining estimated likelihood and potential impact.
security controladdressed by · A security control is a safeguard, policy, or restriction designed to reduce security risks or enforce security objectives.
batch sizeproduced by · Batch size is the number of items grouped together for processing or computation as a single batch.
market riskincludes · Market risk is the risk that movements in the overall market will reduce an investment’s value.
code coveragecontrasts with · Code coverage measures the extent to which a test suite exercises a program’s code elements, execution paths, or behaviors.
This explainer was generated by Manning's knowledge graph from the text of Bootstrapping Microservices, Second Edition: With Docker, Kubernetes, GitHub Actions, and Terraform. The section links point to the parts of the book it draws on.
