我正在尝试使用 docker 将 .net 核心 WEB API 部署到 Heroku 服务器。我构建并发布了我的应用程序，我构建了我的 docker 镜像，并在我部署到 Heroku 服务器之后。我已经运行了以下命令:
我的 docker 文件是:
FROM mcr.microsoft.com/dotnet/core/aspnet:2.2-stretch-slim AS base
WORKDIR /app
COPY . .
CMD ASPNETCORE_URLS=http://*$PORT dotnet YangSoft.2.WebAPI.dll
我的startup.cs:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Application;
using Application.AutoMapper;
using Application.Exceptions;
using Infrastructure;
using Infrastructure.Seed;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.HttpsPolicy;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using Swashbuckle.AspNetCore.Swagger;
namespace YangSoft._2.WebAPI
{
public class Startup
{
public Startup(IConfiguration configuration)
{
Configuration = configuration;
}
public IConfiguration Configuration { get; }
// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
// Use a PostgreSQL database
var sqlConnectionString = Configuration.GetConnectionString("DataAccessPostgreSqlProvider");
services.RegisterInfrastructureServices(sqlConnectionString, Configuration);
services.AddAutoMapperSetup();
services.RegisterApplicationServices();
services.AddCors(options =>
{
options.AddPolicy("CorsPolicy",
builder => builder.WithOrigins("https://localhost:3000", "http://localhost:3000")
.AllowAnyMethod()
.AllowAnyHeader()
.AllowCredentials());
});
services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_2);
services.AddSwaggerGen(c =>
{
c.SwaggerDoc("v2.0", new Info { Title = "YS API v2.0", Version = "v2.0" });
// Swagger 2.+ support
var security = new Dictionary<string, IEnumerable<string>>
{
{"Bearer", new string[] { }},
};
c.AddSecurityDefinition("Bearer", new ApiKeyScheme() { In = "header", Description = "Please insert JWT with Bearer into field", Name = "Authorization", Type = "apiKey" });
c.AddSecurityRequirement(security);
c.SwaggerDoc("v1", new Info { Title = "YangSoft API", Version = "v1" });
c.CustomSchemaIds(s => s.FullName);
});
}
// This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app, IHostingEnvironment env, IDbinitializer dbinitializer)
{
if (env.IsDevelopment())
{
app.UseDeveloperExceptionPage();
dbinitializer.Initialize();
}
else
{
// The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
app.UseHsts();
}
app.UseSwagger();
// Enable middleware to serve swagger-ui (HTML, JS, CSS, etc.), specifying the Swagger JSON endpoint.
app.UseSwaggerUI(c =>
{
c.SwaggerEndpoint("/swagger/v1/swagger.json", "YangSoft API");
c.RoutePrefix = string.Empty;
c.DocumentTitle = "YangSoftAPI Swagger Documentation";
});
app.UseCors(builder => builder.AllowAnyHeader().AllowAnyOrigin().WithMethods("GET", "POST", "OPTIONS", "DELETE", "PUT"));
app.UseHttpsRedirection();
app.UseAuthentication();
app.UseMiddleware(typeof(ErrorHandlingMiddleware));
app.UseMvcWithDefaultRoute();
}
}
}
还有我的program.cs
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Logging;
namespace YangSoft._2.WebAPI
{
public class Program
{
public static void Main(string[] args)
{
CreateWebHostBuilder(args).Build().Run();
}
public static IWebHostBuilder CreateWebHostBuilder(string[] args) =>
WebHost.CreateDefaultBuilder(args)
.UseStartup<Startup>();
}
}
该平台向我显示以下错误
这是 Heroku 的日志:
2020-02-24T12:54:28.086049+00:00 app[api]: Deployed web (f48d9fbff2f7) by user pdxdevelop@gmail.com
2020-02-24T12:54:28.086049+00:00 app[api]: Release v3 created by user pdxdevelop@gmail.com
2020-02-24T12:54:28.108716+00:00 app[api]: Scaled to web@1:Free by user pdxdevelop@gmail.com
2020-02-24T12:54:33.158551+00:00 heroku[web.1]: Starting process with command `/bin/sh -c ASPNETCORE_URLS\=http://\*\31326\ dotnet\ YangSoft.2.WebAPI.dll`
2020-02-24T12:54:37.592379+00:00 heroku[web.1]: State changed from starting to crashed
2020-02-24T12:54:36.964344+00:00 app[web.1]: : Microsoft.AspNetCore.DataProtection.KeyManagement.XmlKeyManager[0]
2020-02-24T12:54:36.964370+00:00 app[web.1]: User profile is available. Using '/app/.aspnet/DataProtection-Keys' as key repository; keys will not be encrypted at rest.
2020-02-24T12:54:36.975068+00:00 app[web.1]: info: Microsoft.AspNetCore.DataProtection.KeyManagement.XmlKeyManager[58]
2020-02-24T12:54:36.975077+00:00 app[web.1]: Creating key {d658c8a4-f9be-49c5-aa59-f05c80a0cf75} with creation date 2020-02-24 12:54:36Z, activation date 2020-02-24 12:54:36Z, and expiration date 2020-05-24 12:54:36Z.
2020-02-24T12:54:36.985908+00:00 app[web.1]: warn: Microsoft.AspNetCore.DataProtection.KeyManagement.XmlKeyManager[35]
2020-02-24T12:54:36.985909+00:00 app[web.1]: No XML encryptor configured. Key {d658c8a4-f9be-49c5-aa59-f05c80a0cf75} may be persisted to storage in unencrypted form.
2020-02-24T12:54:36.990050+00:00 app[web.1]: info: Microsoft.AspNetCore.DataProtection.Repositories.FileSystemXmlRepository[39]
2020-02-24T12:54:36.990052+00:00 app[web.1]: Writing data to file '/app/.aspnet/DataProtection-Keys/key-d658c8a4-f9be-49c5-aa59-f05c80a0cf75.xml'.
2020-02-24T12:54:37.665340+00:00 heroku[web.1]: State changed from crashed to starting
2020-02-24T12:54:37.487934+00:00 app[web.1]: crit: Microsoft.AspNetCore.Server.Kestrel[0]
2020-02-24T12:54:37.487974+00:00 app[web.1]: Unable to start Kestrel.
2020-02-24T12:54:37.487975+00:00 app[web.1]: System.Net.Sockets.SocketException (13): Permission denied
2020-02-24T12:54:37.487975+00:00 app[web.1]: at System.Net.Sockets.Socket.UpdateStatusAfterSocketErrorAndThrowException(SocketError error, String callerName)
2020-02-24T12:54:37.487976+00:00 app[web.1]: at System.Net.Sockets.Socket.DoBind(EndPoint endPointSnapshot, SocketAddress socketAddress)
2020-02-24T12:54:37.487977+00:00 app[web.1]: at System.Net.Sockets.Socket.Bind(EndPoint localEP)
2020-02-24T12:54:37.487977+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.SocketTransport.BindAsync()
2020-02-24T12:54:37.487978+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.KestrelServer.<>c__DisplayClass21_0`1.<<StartAsync>g__OnBind|0>d.MoveNext()
2020-02-24T12:54:37.487978+00:00 app[web.1]: --- End of stack trace from previous location where exception was thrown ---
2020-02-24T12:54:37.487979+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.AddressBinder.BindEndpointAsync(ListenOptions endpoint, AddressBindContext context)
2020-02-24T12:54:37.487980+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.ListenOptions.BindAsync(AddressBindContext context)
2020-02-24T12:54:37.487987+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.AnyIPListenOptions.BindAsync(AddressBindContext context)
2020-02-24T12:54:37.487988+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.AddressBinder.AddressesStrategy.BindAsync(AddressBindContext context)
2020-02-24T12:54:37.487989+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.AddressBinder.BindAsync(IServerAddressesFeature addresses, KestrelServerOptions serverOptions, ILogger logger, Func`2 createBinding)
2020-02-24T12:54:37.487990+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.KestrelServer.StartAsync[TContext](IHttpApplication`1 application, CancellationToken cancellationToken)
2020-02-24T12:54:37.499101+00:00 app[web.1]:
2020-02-24T12:54:37.502608+00:00 app[web.1]: Unhandled Exception: System.Net.Sockets.SocketException: Permission denied
2020-02-24T12:54:37.502611+00:00 app[web.1]: at System.Net.Sockets.Socket.UpdateStatusAfterSocketErrorAndThrowException(SocketError error, String callerName)
2020-02-24T12:54:37.502612+00:00 app[web.1]: at System.Net.Sockets.Socket.DoBind(EndPoint endPointSnapshot, SocketAddress socketAddress)
2020-02-24T12:54:37.502612+00:00 app[web.1]: at System.Net.Sockets.Socket.Bind(EndPoint localEP)
2020-02-24T12:54:37.502613+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.SocketTransport.BindAsync()
2020-02-24T12:54:37.502613+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.KestrelServer.<>c__DisplayClass21_0`1.<<StartAsync>g__OnBind|0>d.MoveNext()
2020-02-24T12:54:37.502614+00:00 app[web.1]: --- End of stack trace from previous location where exception was thrown ---
2020-02-24T12:54:37.502615+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.AddressBinder.BindEndpointAsync(ListenOptions endpoint, AddressBindContext context)
2020-02-24T12:54:37.502615+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.ListenOptions.BindAsync(AddressBindContext context)
2020-02-24T12:54:37.502616+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.AnyIPListenOptions.BindAsync(AddressBindContext context)
2020-02-24T12:54:37.502617+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.AddressBinder.AddressesStrategy.BindAsync(AddressBindContext context)
2020-02-24T12:54:37.502618+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.AddressBinder.BindAsync(IServerAddressesFeature addresses, KestrelServerOptions serverOptions, ILogger logger, Func`2 createBinding)
2020-02-24T12:54:37.502619+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.KestrelServer.StartAsync[TContext](IHttpApplication`1 application, CancellationToken cancellationToken)
2020-02-24T12:54:37.502620+00:00 app[web.1]: at Microsoft.AspNetCore.Hosting.Internal.WebHost.StartAsync(CancellationToken cancellationToken)
2020-02-24T12:54:37.502620+00:00 app[web.1]: at Microsoft.AspNetCore.Hosting.WebHostExtensions.RunAsync(IWebHost host, CancellationToken token, String shutdownMessage)
2020-02-24T12:54:37.502620+00:00 app[web.1]: at Microsoft.AspNetCore.Hosting.WebHostExtensions.RunAsync(IWebHost host, CancellationToken token)
2020-02-24T12:54:37.502621+00:00 app[web.1]: at Microsoft.AspNetCore.Hosting.WebHostExtensions.Run(IWebHost host)
2020-02-24T12:54:37.502621+00:00 app[web.1]: at YangSoft._2.WebAPI.Program.Main(String[] args) in C:\Users\Mathias\Documents\YangSoft\YangSoft\Backend\YangSoft.2.WebAPI\Program.cs:line 18
2020-02-24T12:54:37.521106+00:00 app[web.1]: Aborted
2020-02-24T12:54:37.575022+00:00 heroku[web.1]: Process exited with status 134
2020-02-24T12:54:43.370035+00:00 heroku[web.1]: Starting process with command `/bin/sh -c ASPNETCORE_URLS\=http://\*\7013\ dotnet\ YangSoft.2.WebAPI.dll`
2020-02-24T12:54:47.431294+00:00 app[web.1]: info: Microsoft.AspNetCore.DataProtection.KeyManagement.XmlKeyManager[0]
2020-02-24T12:54:47.431338+00:00 app[web.1]: User profile is available. Using '/app/.aspnet/DataProtection-Keys' as key repository; keys will not be encrypted at rest.
2020-02-24T12:54:47.446767+00:00 app[web.1]: info: Microsoft.AspNetCore.DataProtection.KeyManagement.XmlKeyManager[58]
2020-02-24T12:54:47.452185+00:00 app[web.1]: Creating key {9beba187-065b-462d-9ef5-1d1c25993ec4} with creation date 2020-02-24 12:54:47Z, activation date 2020-02-24 12:54:47Z, and expiration date 2020-05-24 12:54:47Z.
2020-02-24T12:54:47.471368+00:00 app[web.1]: warn: Microsoft.AspNetCore.DataProtection.KeyManagement.XmlKeyManager[35]
2020-02-24T12:54:47.471403+00:00 app[web.1]: No XML encryptor configured. Key {9beba187-065b-462d-9ef5-1d1c25993ec4} may be persisted to storage in unencrypted form.
2020-02-24T12:54:47.477442+00:00 app[web.1]: info: Microsoft.AspNetCore.DataProtection.Repositories.FileSystemXmlRepository[39]
2020-02-24T12:54:47.477443+00:00 app[web.1]: Writing data to file '/app/.aspnet/DataProtection-Keys/key-9beba187-065b-462d-9ef5-1d1c25993ec4.xml'.
2020-02-24T12:54:48.263004+00:00 heroku[web.1]: State changed from starting to crashed
2020-02-24T12:54:48.244318+00:00 heroku[web.1]: Process exited with status 134
2020-02-24T12:54:48.156913+00:00 app[web.1]: crit: Microsoft.AspNetCore.Server.Kestrel[0]
2020-02-24T12:54:48.156944+00:00 app[web.1]: Unable to start Kestrel.
2020-02-24T12:54:48.156946+00:00 app[web.1]: System.Net.Sockets.SocketException (13): Permission denied
2020-02-24T12:54:48.156947+00:00 app[web.1]: at System.Net.Sockets.Socket.UpdateStatusAfterSocketErrorAndThrowException(SocketError error, String callerName)
2020-02-24T12:54:48.156948+00:00 app[web.1]: at System.Net.Sockets.Socket.DoBind(EndPoint endPointSnapshot, SocketAddress socketAddress)
2020-02-24T12:54:48.156948+00:00 app[web.1]: at System.Net.Sockets.Socket.Bind(EndPoint localEP)
2020-02-24T12:54:48.156954+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.SocketTransport.BindAsync()
2020-02-24T12:54:48.156955+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.KestrelServer.<>c__DisplayClass21_0`1.<<StartAsync>g__OnBind|0>d.MoveNext()
2020-02-24T12:54:48.156955+00:00 app[web.1]: --- End of stack trace from previous location where exception was thrown ---
2020-02-24T12:54:48.156957+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.AddressBinder.BindEndpointAsync(ListenOptions endpoint, AddressBindContext context)
2020-02-24T12:54:48.156958+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.ListenOptions.BindAsync(AddressBindContext context)
2020-02-24T12:54:48.156958+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.AnyIPListenOptions.BindAsync(AddressBindContext context)
2020-02-24T12:54:48.156958+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.AddressBinder.AddressesStrategy.BindAsync(AddressBindContext context)
2020-02-24T12:54:48.156959+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.AddressBinder.BindAsync(IServerAddressesFeature addresses, KestrelServerOptions serverOptions, ILogger logger, Func`2 createBinding)
2020-02-24T12:54:48.156961+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.KestrelServer.StartAsync[TContext](IHttpApplication`1 application, CancellationToken cancellationToken)
2020-02-24T12:54:48.168253+00:00 app[web.1]:
2020-02-24T12:54:48.171374+00:00 app[web.1]: Unhandled Exception: System.Net.Sockets.SocketException: Permission denied
2020-02-24T12:54:48.171376+00:00 app[web.1]: at System.Net.Sockets.Socket.UpdateStatusAfterSocketErrorAndThrowException(SocketError error, String callerName)
2020-02-24T12:54:48.171376+00:00 app[web.1]: at System.Net.Sockets.Socket.DoBind(EndPoint endPointSnapshot, SocketAddress socketAddress)
2020-02-24T12:54:48.171377+00:00 app[web.1]: at System.Net.Sockets.Socket.Bind(EndPoint localEP)
2020-02-24T12:54:48.171377+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.SocketTransport.BindAsync()
2020-02-24T12:54:48.171377+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.KestrelServer.<>c__DisplayClass21_0`1.<<StartAsync>g__OnBind|0>d.MoveNext()
2020-02-24T12:54:48.171378+00:00 app[web.1]: --- End of stack trace from previous location where exception was thrown ---
2020-02-24T12:54:48.171379+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.AddressBinder.BindEndpointAsync(ListenOptions endpoint, AddressBindContext context)
2020-02-24T12:54:48.171379+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.ListenOptions.BindAsync(AddressBindContext context)
2020-02-24T12:54:48.171380+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.AnyIPListenOptions.BindAsync(AddressBindContext context)
2020-02-24T12:54:48.171380+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.AddressBinder.AddressesStrategy.BindAsync(AddressBindContext context)
2020-02-24T12:54:48.171381+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.AddressBinder.BindAsync(IServerAddressesFeature addresses, KestrelServerOptions serverOptions, ILogger logger, Func`2 createBinding)
2020-02-24T12:54:48.171383+00:00 app[web.1]: at Microsoft.AspNetCore.Server.Kestrel.Core.KestrelServer.StartAsync[TContext](IHttpApplication`1 application, CancellationToken cancellationToken)
2020-02-24T12:54:48.171383+00:00 app[web.1]: at Microsoft.AspNetCore.Hosting.Internal.WebHost.StartAsync(CancellationToken cancellationToken)
2020-02-24T12:54:48.171384+00:00 app[web.1]: at Microsoft.AspNetCore.Hosting.WebHostExtensions.RunAsync(IWebHost host, CancellationToken token, String shutdownMessage)
2020-02-24T12:54:48.171384+00:00 app[web.1]: at Microsoft.AspNetCore.Hosting.WebHostExtensions.RunAsync(IWebHost host, CancellationToken token)
2020-02-24T12:54:48.171384+00:00 app[web.1]: at Microsoft.AspNetCore.Hosting.WebHostExtensions.Run(IWebHost host)
2020-02-24T12:54:48.171385+00:00 app[web.1]: at YangSoft._2.WebAPI.Program.Main(String[] args) in C:\Users\Mathias\Documents\YangSoft\YangSoft\Backend\YangSoft.2.WebAPI\Program.cs:line 18
2020-02-24T12:54:48.205641+00:00 app[web.1]: Aborted
我尝试过使用各种 docker 文件，将端口更改为 8080，并且我在启动时寻找问题，但没有找到解决方案。
最佳答案
https://devcenter.heroku.com/articles/setting-the-http-port-for-java-applications
这是为 java 应用程序编写的，但它适用于 Heroku 上托管的任何 Web 应用程序。当你运行一个 web worker 时，你必须将端口绑定(bind)到环境变量 $PORT .您不能指定自定义端口。
一旦你绑定(bind)到正确的端口，这些错误就会消失:
Unhandled Exception: System.Net.Sockets.SocketException: Permission denied
然后您的应用程序可能会工作，或者您可能会遇到不同的错误。如果您以后遇到不同的问题，请创建一个新问题。
关于c# - 关于将net core app部署到heroku服务器，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/60376784/