TodoLambdaHandler-Init.swift

struct TodoLamdaHandler: EventLoopLambdaHandler {
    
    //...
    
    init(context: Lambda.InitializationContext) throws {
        // HTTP Client Setup
        let timeout = HTTPClient.Configuration.Timeout(
            connect: .seconds(30),
            read: .seconds(30)
        )
        
        let httpClient = HTTPClient(
            eventLoopGroupProvider: .shared(context.eventLoop),
            configuration: HTTPClient.Configuration(timeout: timeout)
        )
        
        // Retrieving Environment Variables for TableName and Region
        let tableName = Lambda.env("TODOS_TABLE_NAME") ?? ""
        let region: Region
        if let envRegion = Lambda.env("AWS_REGION") {
            region = Region(rawValue: envRegion)
        } else {
            region = .uswest2
        }
        
        // Initializing DynamoDB and TodoService
        let db = AWSDynamoDB.DynamoDB(region: region, httpClientProvider: .shared(httpClient))
        let todoService = TodoService(db: db, tableName: tableName)
        
        // Assign to instance properties
        self.httpClient = httpClient
        self.db = db
        self.todoService = todoService
    }
}