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Practicalli Clojure Web Services

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Practicalli Clojure Web Services

GitHub

Introduction
Introduction
Service REPL Workflow
Service REPL Workflow
- Portal
- Mulog Events
- System REPL
- Aero
- Donut System
- Integrant
  Integrant
  - Integrant System
  - Integrant REPL
Projects
Projects
- Slack App
  Slack App
- Status Monitor
  Status Monitor
- Banking On Clojure
  Banking On Clojure
- URL Shortner
  URL Shortner
- TODO App
  TODO App
  - Create Project
    
    Create Project
    
    Update project details
    
    The code so far
  - Webserver with Ring
    
    Webserver with Ring
    
    Add Ring Dependency
    
    Configure main namespace
    
    Theory: Namespaces
    
    Including Ring in the Namespace
    
    Run Jetty web server
    
    Theory: Specifying Types & java.lang
    
    Run webserver
    
    The code so far
  - Ring
  - Create Handler
    
    Create Handler
    
    Add Error message when request not found
    
    Theory: if function
    
    Maps and keywords
    
    Code so far
  - Unit test handler
  - Reloading App
    
    Reloading App
    
    Test the wrap-reload middleware
    
    Middleware in Ring
    
    The code so far
  - Compojure
    
    Compojure
    
    Theory: defroutes is a Clojure macro
    
    Theory: routing
    
    Add Compojure as a dependency
    
    Using Compojure in the project
    
    Adding a goodbye route
    
    About route
    
    Show request info
    
    Variable Path Elements
    
    Theory local name bindings
    
    Theory: Accessing hash-maps
    
    Lisp style Calculator
    
    Code so far
  - Heroku Deploy
    
    Heroku Deploy
    
    Update the project
    
    Add Procfile
    
    Deploy to Heroku
    
    Code so far
  - Hiccup
    
    Hiccup
    
    Updating handlers with hiccup
    
    Create a new handler
    
    Code so far
  - Refactor Namespace
    
    Refactor Namespace
    
    Base routes
    
    Play routes
    
    Task routes
    
    Refactored Core
    
    Code so far
  - Postgres
    
    Postgres
    
    Postgres install
    
    Environment Variables
    
    Postgres CLI
    
    pgAdmin
    
    Heroku Dataclips
    
    Connecting to Heroku Postgres from Postgres Clients
    
    Jira ticket
    
    How to use Lobos with Heroku
    
    pg:info
    
    Performance Analytics
    
    Postgres toolbelt commands
    
    Connect to Postgres
    
    Connect to Postgres
    
    Add Dependency
    
    Define a Database Connection
    
    Database Model
    
    Database Model
    
    Create table
    
    Create a task
    
    Show all tasks
    
    Delete task
    
    Alternative approaches
  - Task handlers
    
    Task handlers
    
    Add a task
    
    Show tasks
    
    Delete a task
  - A working example
Application Servers
Application Servers
Building API
Building API
- Reitit
  Reitit
- compojure-api template
- Create a compojure-api project
- Swagger - self describing APIs
- ring-swagger
- Plumatic schema - defining the shape of data
- Working with JSON files
- Testing our API
- ring-mock
- Cheshire - fast JSON encoding
- End to end testing
  End to end testing
- Terminology
Persistence
Persistence
- Relational
  Relational
Micro-services
Micro-services
Reference
Reference

Postgres setupλ︎

January 18, 2023

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