Identity server with custom domain not working in AWS ECS #691

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• ABP Framework version: v3.0.4
• UI type: Angular
• Tiered (MVC) or Identity Server Seperated (Angular): yes
• Exception message and stack trace:
• Steps to reproduce the issue:

Identity server with custom domain not working in AWS ECS and not validating token show below error

Exception - System.InvalidOperationException: IDX20803: Unable to obtain configuration from: '[PII is hidden. For more details, see https://aka.ms/IdentityModel/PII.]'. ---> System.IO.IOException: IDX20804: Unable to retrieve document from: '[PII is hidden. For more details, see https://aka.ms/IdentityModel/PII.]'. ---> System.Net.Http.HttpRequestException: Name or service not known ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken) --- End of inner exception stack trace --- at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken) at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken) at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken) at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken) at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken) at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken) at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken) at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts) at Microsoft.IdentityModel.Protocols.HttpDocumentRetriever.GetDocumentAsync(String address, CancellationToken cancel) --- End of inner exception stack trace --- at Microsoft.IdentityModel.Protocols.HttpDocumentRetriever.GetDocumentAsync(String address, CancellationToken cancel) at Microsoft.IdentityModel.Protocols.OpenIdConnect.OpenIdConnectConfigurationRetriever.GetAsync(String address, IDocumentRetriever retriever, CancellationToken cancel) at Microsoft.IdentityModel.Protocols.ConfigurationManager1.GetConfigurationAsync(CancellationToken cancel) --- End of inner exception stack trace --- at Microsoft.IdentityModel.Protocols.ConfigurationManager1.GetConfigurationAsync(CancellationToken cancel) at Microsoft.AspNetCore.Authentication.JwtBearer.JwtBearerHandler.HandleAuthenticateAsync() at Microsoft.AspNetCore.Authentication.JwtBearer.JwtBearerHandler.HandleAuthenticateAsync() at Microsoft.AspNetCore.Authentication.AuthenticationHandler1.AuthenticateAsync() at Microsoft.AspNetCore.Authentication.AuthenticationService.AuthenticateAsync(HttpContext context, String scheme) at IdentityServer4.AccessTokenValidation.IdentityServerAuthenticationHandler.HandleAuthenticateAsync() Timestamp - 12/16/2020 12:01:13 +00:00 | Level - Error | Message IDX20803: Unable to obtain configuration from: '[PII is hidden. For more details, see https://aka.ms/IdentityModel/PII.]'. {"SourceContext":{"Value":"IdentityServer4.AccessTokenValidation.IdentityServerAuthenticationHandler"},"RequestId":{"Value":"0HM51N8VNE06N:00000001"},"RequestPath":{"Value":"/test/getSummary"},"SpanId":{"Value":"|f30d46a6-453bf21c21f8eb96."},"TraceId":{"Value":"f30d46a6-453bf21c21f8eb96"},"ParentId":{"Value":""},"ConnectionId":{"Value":"0HM51N8VNE06N"}} Exception - System.InvalidOperationException: IDX20803: Unable to obtain configuration from: '[PII is hidden. For more details, see https://aka.ms/IdentityModel/PII.]'. ---> System.IO.IOException: IDX20804: Unable to retrieve document from: '[PII is hidden. For more details, see https://aka.ms/IdentityModel/PII.]'. ---> System.Net.Http.HttpRequestException: Name or service not known ---> System.Net.Sockets.SocketException (0xFFFDFFFF): Name or service not known at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken) --- End of inner exception stack trace --- at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken) at System.Net.Http.HttpConnectionPool.ConnectAsync(HttpRequestMessage request, Boolean allowHttp2, CancellationToken cancellationToken) at System.Net.Http.HttpConnectionPool.CreateHttp11ConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken) at System.Net.Http.HttpConnectionPool.GetHttpConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken) at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken) at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken) at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken) at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts) at Microsoft.IdentityModel.Protocols.HttpDocumentRetriever.GetDocumentAsync(String address, CancellationToken cancel) --- End of inner exception stack trace --- at Microsoft.IdentityModel.Protocols.HttpDocumentRetriever.GetDocumentAsync(String address, CancellationToken cancel) at Microsoft.IdentityModel.Protocols.OpenIdConnect.OpenIdConnectConfigurationRetriever.GetAsync(String address, IDocumentRetriever retriever, CancellationToken cancel) at Microsoft.IdentityModel.Protocols.ConfigurationManager1.GetConfigurationAsync(CancellationToken cancel) --- End of inner exception stack trace --- at Microsoft.IdentityModel.Protocols.ConfigurationManager1.GetConfigurationAsync(CancellationToken cancel) at Microsoft.AspNetCore.Authentication.JwtBearer.JwtBearerHandler.HandleAuthenticateAsync() at Microsoft.AspNetCore.Authentication.JwtBearer.JwtBearerHandler.HandleAuthenticateAsync() at Microsoft.AspNetCore.Authentication.AuthenticationHandler1.AuthenticateAsync() at Microsoft.AspNetCore.Authentication.AuthenticationService.AuthenticateAsync(HttpContext context, String scheme) at IdentityServer4.AccessTokenValidation.IdentityServerAuthenticationHandler.HandleAuthenticateAsync()