The First Way - Automate and Enable Low-risk Releases
18 important questions on The First Way - Automate and Enable Low-risk Releases
Name a few steps to automate the deployment process to production
- Packages suitable for production
- Creating pre- configured virtual machine images or containers
- automating the deployment and configuration middleware
- Copying packages or files onto production servers
- restarting servers, applications or services
- generation configuration files from templates
- running automed smoke tests to make sure the system is working and correctly configured
- running test procedures
- scripting and automating database migrations.
Which requirements are included for a deployment pipeline to production?
- Deploying the same way to every environment
- Smoke testing our deployments
- Ensure we maintain consistent environments
- Pull the Andon chord in cause of failure.
Which steps are effected if we want any authorized person to deploy.
- Build
- Test
- Deploy
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What 's necessary for a good deployment automation?
- Packages are suitable for deployment into production
- Show the readiness of production environments at a glance
- provide a push button, self service method for any suitable version of the packaged code to be deployed in production
- Automatically recording for auditing and compliance purposes
- Run a smoke test to ensure the system is operating correctly
- Provide fast feedback for the deployer so they can determine whether their deployment succeeded.
Deployment and release are often used as interchangable but there not. Explain?
- Deployment is the installation of a specified version of software to a given environment.
- Release is when we make a feature(s) available for customers.
Which release patterns can be used?
- Environment-based release pattern
- Application-based release pattern
Name examples of Environment based releases.
- Blue-green deployment pattern
- Canary release
- Cluster immune system
Name examples of Application based release
- Feature toggles
- Dark launches.
How does the blue- green deployment release pattern works?
Rollback is performed by sending customer traffic back.
What are the advantages of a blue green deployment?
- Performing deployments during daytime
- make simple changeover during off-peak times
What can be done to solve database problems with the releases?
- Create two database ( blue and green)
- Decouple database changes from application changes.
What's a canary release?
What's a cluster Immune system release pattern?
If not as expected it will roll back,
What's the advantage of Cluster Immune systen release pattern above Canary release?
- Additional safeguard for the issues that could be missed by test automation.
- Quick feedback and automated roll-back action for production issues.
What's a feature toggle?
What are the advantages of feature toggles?
- Roll back easily
- Gracefully degrade performance
- Increase resilience throught service-orientated architecture.
What's a dark launch?
What's the difference between continuous deployment and continuous delivery?
Countinuous deployment is deploying everything in production.
So therefore continuous delivery is prerequisite for continuous deployment.
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