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Long-term IT projects

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Paweł Lewtak

The document discusses best practices for long-term IT projects. It covers various topics like analysis, architecture, testing, code reviews, continuous integration/deployment, monitoring, metrics, automation, documentation, and communication. For each topic, it lists relevant concepts and principles, along with quotes from experts in software development.

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Long-term Long-term Long-term Long-term Long-term Long-term Long-termLong-term IT projects IT projects IT projects IT projects IT projects IT projects IT projectsIT projects @pawel_lewtak
Paweł Lewtak Paweł Lewtak Paweł Lewtak Paweł Lewtak Paweł Lewtak Paweł Lewtak Paweł LewtakPaweł Lewtak Developer @ GOG.com @pawel_lewtak
0. Dislaimer 0. Dislaimer 0. Dislaimer 0. Dislaimer 0. Dislaimer 0. Dislaimer 0. Dislaimer0. Dislaimer
1. Analysis 1. Analysis 1. Analysis 1. Analysis 1. Analysis 1. Analysis 1. Analysis1. Analysis
What to build? What to build? What to build? What to build? What to build? What to build? What to build?What to build?
What problem to solve? What problem to solve? What problem to solve? What problem to solve? What problem to solve? What problem to solve? What problem to solve?What problem to solve?
The root of all evil in programming is misunderstanding of the problem. Ask right questions to right people before first line of code. Mariusz Gil Source: https://twitter.com/mariuszgil/status/897006258770903040Source: https://twitter.com/mariuszgil/status/897006258770903040Source: https://twitter.com/mariuszgil/status/897006258770903040Source: https://twitter.com/mariuszgil/status/897006258770903040Source: https://twitter.com/mariuszgil/status/897006258770903040
Tech people must speak the language of Business people, not vice versa. Stefan Priebsch Source: https://twitter.com/baehr17/status/913348099795537920Source: https://twitter.com/baehr17/status/913348099795537920Source: https://twitter.com/baehr17/status/913348099795537920Source: https://twitter.com/baehr17/status/913348099795537920Source: https://twitter.com/baehr17/status/913348099795537920
Domain Driven Design Domain Driven Design Domain Driven Design Domain Driven Design Domain Driven Design Domain Driven Design Domain Driven DesignDomain Driven Design
Event Storming Event Storming Event Storming Event Storming Event Storming Event Storming Event StormingEvent Storming
Waterfall vs Agile Waterfall vs Agile Waterfall vs Agile Waterfall vs Agile Waterfall vs Agile Waterfall vs Agile Waterfall vs AgileWaterfall vs Agile
The Only Thing That Is Constant Is Change​ Heraclitus
2. Architecture 2. Architecture 2. Architecture 2. Architecture 2. Architecture 2. Architecture 2. Architecture2. Architecture
Monolith vs Microservice Monolith vs Microservice Monolith vs Microservice Monolith vs Microservice Monolith vs Microservice Monolith vs Microservice Monolith vs MicroserviceMonolith vs Microservice
you shouldn't start a new project with microservices Martin Fowler Source: https://www.martinfowler.com/bliki/MonolithFirst.htmlSource: https://www.martinfowler.com/bliki/MonolithFirst.htmlSource: https://www.martinfowler.com/bliki/MonolithFirst.htmlSource: https://www.martinfowler.com/bliki/MonolithFirst.htmlSource: https://www.martinfowler.com/bliki/MonolithFirst.html
Service Oriented Service Oriented Service Oriented Service Oriented Service Oriented Service Oriented Service OrientedService Oriented Architecture Architecture Architecture Architecture Architecture Architecture ArchitectureArchitecture
Clean architecture Clean architecture Clean architecture Clean architecture Clean architecture Clean architecture Clean architectureClean architecture
Long-term IT projects
You're not unique You're not unique You're not unique You're not unique You're not unique You're not unique You're not uniqueYou're not unique
Long-term IT projects
microservices microservices microservices microservices microservices microservices microservicesmicroservices serverless serverless serverless serverless serverless serverless serverlessserverless artificial intelligence artificial intelligence artificial intelligence artificial intelligence artificial intelligence artificial intelligence artificial intelligenceartificial intelligence machine learning machine learning machine learning machine learning machine learning machine learning machine learningmachine learning blockchain blockchain blockchain blockchain blockchain blockchain blockchainblockchain nosql nosql nosql nosql nosql nosql nosqlnosql virtual/augmented reality virtual/augmented reality virtual/augmented reality virtual/augmented reality virtual/augmented reality virtual/augmented reality virtual/augmented realityvirtual/augmented reality internet of things internet of things internet of things internet of things internet of things internet of things internet of thingsinternet of things cloud computing cloud computing cloud computing cloud computing cloud computing cloud computing cloud computingcloud computing deep learning deep learning deep learning deep learning deep learning deep learning deep learningdeep learning quantum computingquantum computingquantum computingquantum computingquantum computing
Fashionable software carries risk. Consider the business context and take risks when it makes your business different. Jon Topper Source: https://twitter.com/miss_jwo/status/905753287328137216Source: https://twitter.com/miss_jwo/status/905753287328137216Source: https://twitter.com/miss_jwo/status/905753287328137216Source: https://twitter.com/miss_jwo/status/905753287328137216Source: https://twitter.com/miss_jwo/status/905753287328137216
3. Tests 3. Tests 3. Tests 3. Tests 3. Tests 3. Tests 3. Tests3. Tests
Test Driven Design Test Driven Design Test Driven Design Test Driven Design Test Driven Design Test Driven Design Test Driven DesignTest Driven Design
Behaviour Driven Behaviour Driven Behaviour Driven Behaviour Driven Behaviour Driven Behaviour Driven Behaviour DrivenBehaviour Driven Development Development Development Development Development Development DevelopmentDevelopment
If it’s hard to write a test, it’s a signal that you have a design problem, not a testing problem. Kent Beck Source: Source: Source: Source: Source: Extreme Programming ExplainedExtreme Programming ExplainedExtreme Programming ExplainedExtreme Programming ExplainedExtreme Programming Explained by Kent Beck by Kent Beck by Kent Beck by Kent Beck by Kent Beck
4. Code review 4. Code review 4. Code review 4. Code review 4. Code review 4. Code review 4. Code review4. Code review
Long-term IT projects
5. Continous ... 5. Continous ... 5. Continous ... 5. Continous ... 5. Continous ... 5. Continous ... 5. Continous ...5. Continous ...
Continous Continous Continous Continous Continous Continous ContinousContinous integration integration integration integration integration integration integrationintegration
Continous Continous Continous Continous Continous Continous ContinousContinous deployment deployment deployment deployment deployment deployment deploymentdeployment
Long-term IT projects
6. Monitoring 6. Monitoring 6. Monitoring 6. Monitoring 6. Monitoring 6. Monitoring 6. Monitoring6. Monitoring
Servers, services, etc. Servers, services, etc. Servers, services, etc. Servers, services, etc. Servers, services, etc. Servers, services, etc. Servers, services, etc.Servers, services, etc.
7. Metrics 7. Metrics 7. Metrics 7. Metrics 7. Metrics 7. Metrics 7. Metrics7. Metrics
Business Metrics Business Metrics Business Metrics Business Metrics Business Metrics Business Metrics Business MetricsBusiness Metrics
8. Automation 8. Automation 8. Automation 8. Automation 8. Automation 8. Automation 8. Automation8. Automation
If it moves, automate it! If it moves, automate it! If it moves, automate it! If it moves, automate it! If it moves, automate it! If it moves, automate it! If it moves, automate it!If it moves, automate it!
9. Documentation 9. Documentation 9. Documentation 9. Documentation 9. Documentation 9. Documentation 9. Documentation9. Documentation
Start with README Start with README Start with README Start with README Start with README Start with README Start with READMEStart with README
10. Communication 10. Communication 10. Communication 10. Communication 10. Communication 10. Communication 10. Communication10. Communication
It's not a soft skill It's not a soft skill It's not a soft skill It's not a soft skill It's not a soft skill It's not a soft skill It's not a soft skillIt's not a soft skill
It's core skill! It's core skill! It's core skill! It's core skill! It's core skill! It's core skill! It's core skill!It's core skill!
I wish the understanding were more widespread that we plateau in coding skill mid-career, it is all about communication after that. Denton Gentry​ Source: https://twitter.com/dgentry/status/906758809678254080Source: https://twitter.com/dgentry/status/906758809678254080Source: https://twitter.com/dgentry/status/906758809678254080Source: https://twitter.com/dgentry/status/906758809678254080Source: https://twitter.com/dgentry/status/906758809678254080
Thank you! Thank you! Thank you! Thank you! Thank you! Thank you! Thank you!Thank you! @pawel_lewtak
@pawel_lewtak

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Long-term IT projects