- Single Responsibility Principle (SRP)
- Open Closed Principle (OCP)
- Liskov Substitution Principle (LSP)
- Interface Segregation Principle (ISP)
- Dependency Inversion Principle (DIP)
- Separation of Concerns (SOC)
- Don't Repeat Yourself (DRY)
- You Aren't Gonna Need It (YAGNI)
- Keep It Simple, Silly (KISS)
- Composition Over Inheritance
- Small Commits
- Factory
- Adapter
- Composite
- Decorator
- Proxy
- Dependency Injection
- Abstract Server
- Composition Root
- Builder
- Singleton
- TDD
- Clean Architecture
- DDD
- Conventional Commits
- GitFlow
- Modular Design
- Dependency Diagrams
- Use Cases
- Continuous Integration
- Continuous Delivery
- Continuous Deployment
- NPM
- Typescript
- Git
- Docker
- Jest
- MongoDb
- Travis CI
- Swagger
- Bcrypt
- JsonWebToken
- Faker
- Coveralls
- Validator
- Express
- Apollo Server Express
- Graphql
- Graphql ISO Date
- Graphql Scalars
- Graphql Tools
- Supertest
- Husky
- Lint Staged
- Eslint
- Standard Javascript Style
- Sucrase
- Nodemon
- Rimraf
- In-Memory MongoDb Server
- MockDate
- Module-Alias
- Copyfiles
- Npm Check
- Bson ObjectId
- Apollo Server Integration Testing
- API Documentation with Swagger
- REST API with Express
- GraphQL with Apollo Server
- Error Logging
- Security (Hashing, Encryption, and Encoding)
- CORS
- Middleware
- Route Access Levels (Admin, User, and Anonymous)
- Deploy to Heroku
- Serve Static Files
- Types
- Queries
- Mutations
- Resolvers
- Directives
- Scalars
- Plugins
- Alias
- Custom Logging
- Branch
- Reset
- Amend
- Tag
- Stash
- Rebase
- Merge
- Advanced OOP
- Interface
- TypeAlias
- Namespace
- Utility Types
- Path Modularization
- Configurations
- Build
- Deploy
- Using Breakpoints
- Resolvers
- Type Definitions
- Directives
- Scalars
- Plugins
- Error Handling
- Unit Tests
- Integration Tests (Rest API & GraphQL)
- Test Coverage
- Test Doubles -Mocks
- Stubs
- Spies
- Fakes
- Connect and Reconnect
- Collections
- InsertOne and InserMany
- Find, FindOne and FindOneAndUpdate
- DeleteMany
- UpdateOne
- Aggregation (Match, Group, Unwind, Lookup, AddFields, Project, Sort)
- ObjectId
- Upsert and ReturnOriginal
- Push, Divide, Multiply, ArrayElemAt, Cond, Sum
- Filter, Map, Reduce, MergeObjects, ConcatArrays