Redis

• Redis intro
• Showcase redis container

    $ docker run -d --name redis_basket -p 6379:6379 redis
    $ docker exec -it redis_basket /bin/bash
    % redis-cli
    > ping
    > set <KEY> <VALUE>
    > get <KEY>
  

Basket.API init

• Open Rider and load Webstore solution
• Add new solution folder Services/Basket
• Create new project
  • name: Basket.API
  • path: Webstore/Services/Basket
  • Framework: .NET 10
  • Template: Web.API
  • (opt) Do not use top-level statements
  • Auth: no auth
  • Advanced: no https
• Delete premade solution files
• Change runtime APP URL to use port 5001
• Install:
  • Swashbuckle.AspNetCore
  • Swashbuckle.AspNetCore.Swagger
  • Swashbuckle.AspNetCore.SwaggerGen
  • Swashbuckle.AspNetCore.SwaggerUI
  • NEW: Newtonsoft.Json
  • NEW: Microsoft.Extensions.Caching.StackExchangeRedis
• Add to Program.cs: ```cs — | builder.Services.AddAuthorization();
  • | builder.Services.AddSwaggerGen(); — | if (app.Environment.IsDevelopment()) | { | app.MapOpenApi();

  • app.UseSwagger();

  • | app.UseSwaggerUI(); | } — ```
• Run, access localhost:5001/swagger
  • (opt) applicationUrl to auto-open Swagger in launchSettings
• VCS point

Basket.API coding:

• Coding:
  • Basket.API/Entities
    • ShoppingCartItem.cs
    • ShoppingCart.cs
  • Basket.API/Repositories
    • IBasketRepository.cs
    • BasketRepository.cs
  • Basket.API/Controllers
    • BasketController.cs
• Add dependency injection (DI) to Program.cs: ```cs | builder.Services.AddSwaggerGen();

  • builder.Services.AddScoped<IBasketRepository, BasketRepository>();

  • | builder.Services.AddControllers(); —
  • | app.MapControllers(); | app.Run(); ```
• Update appsettings.Development: ```cs | { | “Logging”: { | “LogLevel”: { | “Default”: “Information”, | “Microsoft.AspNetCore”: “Warning” | } | },

  • “CacheSettings” : {

  • “ConnectionString”: “localhost:6379”

  • | } | } ```
• VSC point

(Optional) Basket.API testing/debugging

• Open Swagger, add a sample basket
• Go into redis-cli in the redis_basket container and run:

    $ docker exec -it redis_basket /bin/bash
    % redis-cli
    > type <added-basket-id>
    hash
    > hkeys <added-basket-id>
    1) "absexp"
    2) "data"
    3) "sldexp"
    > hget <added-basket-id> data
    "{...}"
  

• Show Rider debugger

Basket.API containerization

• In Rider, right click on Basket.API -> Add -> Dockerfile
• Explain generated dockerfile
• Note Paths might not be correct, fix
• Showcase container build/run

Docker Compose

• Add docker-compose.yml
• Add docker-compose.override.yml
• Showcase build/up/down ```bash $ docker compose build # ERROR “/Catalog.API.csproj”: not found # treba vratiti promenjene putanje u Dockerfile # ponoviti build, trebalo bi da prodje $ docker compose up [–build] $ docker compose stop $ docker compose down $ docker compose -f … -f … up $ docker compose up -d $ docker compose logs -f $ curl localhost:8000/api/v1/catalog “{ … }” $ curl localhost:8001/api/v1/basket/foo “{ … }”