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The *goal* of development is to support a **product’s** development. Limited to a technical perspective (given the right features), a good product is **error free** and **high-performance**. Time and budget are always constraints on achieving this *goal*. So a good development process **quickly** and **sustainably** adds features. This is what we mean by **efficient development**. The key/secret to efficient development is **maintainability**. Maintainability is how easily a codebase can respond to change. A highly maintainable app enables the most efficient development, which allows you to quickly improve the application, resulting in something that is error free, fast, has a better user experience, and adds more customer value. This page is a list of characteristics of a maintainable application and team. ## Checklist ### Tools and environment (ops) Required **Source control is:** Used Git Used with a branch and merge strategy. **An issue tracker is:** Used Integrated with source control. Used by non developers. **The following environments exist** Development Test Staging Production **A 1-3 step process for the following exist:** Setting up a development environment Testing the application. Building the application into a production distributable. Deploy to test and staging. **Continuous Integration:** Exists Runs on all commits / pushes Recommended **Portability:** Containerized microservices - The application self-documents the environment in which it runs. That documentation is widely known (Example: docker files) **Cloud Deployment:** The application is able to be started and stopped on new machines easily. New machines are able to be created easily. New machines are able to be created across multiple platforms. **Monitoring:** Vital app performance characteristics are measured (errors, CPU, Memory) Errors (client and server side) are automatically emailed to team **Reporting:** Vital app performance characteristics are reported and analyzed every 1-6 weeks ### Code quality Required **Is the high level architecture documented and followed?** Yes No **Are there unit tests?** Yes No **Is there documentation for the code?** Yes No **All modules include:** High level documentation. Tests Inline documentation A demo **Are there performance tests?** Yes No **The service layer is:** RESTful Documented Tested Built / working Recommended **Is technical debt measured?** *Is some value (often in days / weeks) of technical debt calculated?* Yes No **Is technical debt factored into estimates?** *Do estimations of time, or points, or effort include discussions of technical debt?* Yes No ### Team Recommended **Is there a QA team or resource?** Yes No **Are teams grouped by specialty?** *Example: client vs. server* Yes No **Do you work alongside the client’s developers?** Yes No **Is every piece of code known to at least two people?** *No piece of code should be "workable" by only one person.* Yes No **There are code reviews:** Every commit Every week Every month Of new people’s code Never ## Methodologies The following are some common project management methodologies. ### Scrum Summary: - Work organized in sprints (~2-6 weeks) Guides: - [Atlassian - What is Scrum?](https://www.atlassian.com/agile/scrum) - [The Scrum Guide](https://www.scrumguides.org/scrum-guide.html) ### Kanban Summary: - Task board where any engineer can take a job and complete it. - Continuous delivery Guides: - [Atlassian - What is Kanban?](https://www.atlassian.com/agile/kanban) ### Extreme Programming - [Extreme Programming](http://www.extremeprogramming.org/) [Compared to Scrum](https://www.mountaingoatsoftware.com/blog/differences-between-scrum-and-extreme-programming): - Allows changes in sprints. - Work in strict priority order. - Prescribes engineering practices (TDD, automation, pair programming) ## Versioning and Environment Workflows This document describes the process of development workflows with respect to versioning software and application environments (dev, test, staging, prod). The specifics on your project should be documented in the [Engagement Summary Document](https://www.bitovi.com/academy/learn-technology-consulting/transitioning-to-delivery.html#engagement-summary-document) - Versioning Software: GitHub - Continuous Integration: TravisCI - Environments - Production - The production servers and databases users interact with. - Staging - An environment that matches production as closely as possible that is able to verify the next release is going to work as expected. - Development - An environment that allows developers to quickly show off new features or test their code in a near production environment. - Branches - master - Represents the features that will go onto staging. - `{ISSUE_NUM}_FEATURE` - A feature branch that is forked from `master`. When ready, it is merged into `master` - `RELEASE-pre.X` - A tagged version of master that will be pushed to *Staging* for testing. If successful, it will be tagged without `-pre.X` for released. - `RELEASE` - A release that will be pushed to *Production*. ###### On this page... ###### Get help If you need [help](https://discord.gg/J7ejFsZnJ4) with an exercise, please reach out to us on [Discord](https://discord.gg/J7ejFsZnJ4) If you find a bug, please [create an issue](https://github.com/bitovi/academy/issues/new) or email [contact@bitovi.com](mailto:contact@bitovi.com?Subject=Training%20Suggestion) ## Join the Bitovi Newsletter Do you want to receive updates about new Bitovi Academy courses, Bitovi open source projects, and dev community news? If so, please provide your email. 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