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module MyPrayerJournal.Api
open Microsoft.AspNetCore.Builder
open Microsoft.AspNetCore.Hosting
open System.IO
/// Configuration functions for the application
module Configure =
/// Configure the content root
let contentRoot root =
WebApplicationOptions (ContentRootPath = root) |> WebApplication.CreateBuilder
open Microsoft.Extensions.Configuration
/// Configure the application configuration
let appConfiguration (bldr : WebApplicationBuilder) =
bldr.Configuration
.SetBasePath(bldr.Environment.ContentRootPath)
.AddJsonFile("appsettings.json", optional = false, reloadOnChange = true)
.AddJsonFile($"appsettings.{bldr.Environment.EnvironmentName}.json", optional = true, reloadOnChange = true)
.AddEnvironmentVariables ()
|> ignore
bldr
open Microsoft.AspNetCore.Server.Kestrel.Core
/// Configure Kestrel from appsettings.json
let kestrel (bldr : WebApplicationBuilder) =
let kestrelOpts (ctx : WebHostBuilderContext) (opts : KestrelServerOptions) =
(ctx.Configuration.GetSection >> opts.Configure >> ignore) "Kestrel"
bldr.WebHost.UseKestrel().ConfigureKestrel kestrelOpts |> ignore
bldr
/// Configure the web root directory
let webRoot pathSegments (bldr : WebApplicationBuilder) =
Array.concat [ [| bldr.Environment.ContentRootPath |]; pathSegments ]
|> (Path.Combine >> bldr.WebHost.UseWebRoot >> ignore)
bldr
open Microsoft.Extensions.Logging
open Microsoft.Extensions.Hosting
/// Configure logging
let logging (bldr : WebApplicationBuilder) =
match bldr.Environment.IsDevelopment () with
| true -> ()
| false -> bldr.Logging.AddFilter (fun l -> l > LogLevel.Information) |> ignore
bldr.Logging.AddConsole().AddDebug() |> ignore
bldr
open Giraffe
open LiteDB
open Microsoft.AspNetCore.Authentication.JwtBearer
open Microsoft.Extensions.DependencyInjection
open System.Text.Json
open System.Text.Json.Serialization
/// Configure dependency injection
let services (bldr : WebApplicationBuilder) =
bldr.Services
.AddRouting()
.AddGiraffe()
.AddAuthentication(
/// Use HTTP "Bearer" authentication with JWTs
fun opts ->
opts.DefaultAuthenticateScheme <- JwtBearerDefaults.AuthenticationScheme
opts.DefaultChallengeScheme <- JwtBearerDefaults.AuthenticationScheme)
.AddJwtBearer(
/// Configure JWT options with Auth0 options from configuration
fun opts ->
let jwtCfg = bldr.Configuration.GetSection "Auth0"
opts.Authority <- sprintf "https://%s/" jwtCfg.["Domain"]
opts.Audience <- jwtCfg.["Id"])
|> ignore
let jsonOptions = JsonSerializerOptions ()
jsonOptions.Converters.Add (JsonFSharpConverter ())
let db = new LiteDatabase (bldr.Configuration.GetConnectionString "db")
Data.Startup.ensureDb db
bldr.Services.AddSingleton(jsonOptions)
.AddSingleton<Json.ISerializer, SystemTextJson.Serializer>()
.AddSingleton<LiteDatabase>(db)
|> ignore
bldr.Build ()
open Giraffe.EndpointRouting
/// Configure the web application
let application (app : WebApplication) =
match app.Environment.IsDevelopment () with
| true -> app.UseDeveloperExceptionPage ()
| false -> app.UseGiraffeErrorHandler Handlers.Error.error
|> ignore
app.UseAuthentication()
.UseStaticFiles()
.UseRouting()
.UseEndpoints (fun e ->
e.MapGiraffeEndpoints Handlers.routes
e.MapFallbackToFile "index.html" |> ignore)
|> ignore
app
/// Compose all the configurations into one
let webHost pathSegments =
contentRoot
>> appConfiguration
>> kestrel
>> webRoot pathSegments
>> logging
>> services
>> application
[<EntryPoint>]
let main _ =
use host = Configure.webHost [| "wwwroot" |] (Directory.GetCurrentDirectory ())
host.Run ()
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