Another attempt at fixes

frameworks/Swift/vapor/vapor-swifql-ikiga/Sources/Extensions/Models+Content.swift

@@ -0,0 +1,10 @@
+//
+//  Models+Content.swift
+//  
+//
+//  Created by Yakov Shapovalov on 04.07.2024.
+//
+
+import Vapor
+
+extension World: Content {}

frameworks/Swift/vapor/vapor-swifql-ikiga/Sources/configure.swift

@@ -24,7 +24,7 @@ extension DatabaseIdentifier {
 
 
 public func configure(_ app: Application) throws {
-    var decoder = IkigaJSONDecoder()
+    let decoder = IkigaJSONDecoder()
     decoder.settings.dateDecodingStrategy = .iso8601
     ContentConfiguration.global.use(decoder: decoder as ContentDecoder, for: .json)
 
@@ -51,19 +51,16 @@ public func routes(_ app: Application) throws {
         ["message": "Hello, world!"]
     }
 
-    app.get("db") { req throws -> EventLoopFuture<World> in
-        req.postgres.connection(to: DbHost) { conn throws -> _ in
-            guard let world = try World
-                .select
+    app.get("db") { req async throws -> World in
+        guard let world = try await req.postgres.connection(to: .Db, { conn in
+            World.select
                 .where(\World.$id == Int.random(in: 1...10_000))
                 .execute(on: conn)
                 .first(decoding: World.self) 
-            else {
-                throw Abort(.notFound)
-            }
-
-            return world
+        }).get() else {
+            throw Abort(.notFound)
         }
+        return world
     }
 
 }

frameworks/Swift/vapor/vapor-swifql-ikiga/Sources/json.swift

@@ -4,7 +4,7 @@ import IkigaJSON
 import Vapor
 
 
-extension IkigaJSONEncoder: ContentEncoder {
+extension IkigaJSONEncoder: @retroactive ContentEncoder {
     public func encode<E: Encodable>(
         _ encodable: E,
         to body: inout ByteBuffer,
@@ -29,7 +29,7 @@ extension IkigaJSONEncoder: ContentEncoder {
     }
 }
 
-extension IkigaJSONDecoder: ContentDecoder {
+extension IkigaJSONDecoder: @retroactive ContentDecoder {
     public func decode<D: Decodable>(
         _ decodable: D.Type,
         from body: ByteBuffer,

frameworks/Swift/vapor/vapor-swifql-ikiga/Sources/main.swift

@@ -3,10 +3,15 @@ import PostgresBridge
 import IkigaJSON
 import Logging
 
-var env = try Environment.detect()
-try LoggingSystem.bootstrap(from: &env)
+@main
+enum App {
+    static func main() throws {
+        var env = try Environment.detect()
+        try LoggingSystem.bootstrap(from: &env)
 
-let app = Application(env)
-defer { app.shutdown() }
+        let app = Application(env)
+        defer { app.shutdown() }
 
-try configure(app)
+        try configure(app)
+    }
+}