discuss the basics / CLI commands for working with docker containers & Lifecycle of Docker Container
Using the Docker client from Windows and getting AspNet vNext running in a Docker Container
{
"version": "0.2.0",
"configurations": [
{
"type": "chrome",
"request": "launch",
"name": "Launch Chrome with ng serve",
"url": "http://localhost:4200/#",
"webRoot": "${workspaceRoot}"
}
]
} {
"version": "0.2.0",
"configurations": [
{
"type": "chrome",
"request": "launch",
"name": "Launch Chrome for dotnet build & ng build",
"url": "http://localhost:5000/#",
"webRoot": "${workspaceRoot}"
}
]
} ngOnInit() {
this.formPoster.getLanguages().subscribe(
data => {
this.languages = data;
},
err => console.log("get error: ", err)
);
} >npm install >ng build --watch
>dotnet restore >dotnet watch run
{
"version": "0.2.0",
"configurations": [
{
"type": "chrome",
"request": "launch",
"name": "Launch Chrome for dotnet build & ng build",
"url": "http://localhost:5000",
"runtimeArgs": [
"--user-data-dir",
"--remote-debugging-port=9222",
"--disable-session-crashed-bubble"
],
"sourceMaps": true,
"trace": true,
"webRoot": "${workspaceRoot}/wwwroot/",
"userDataDir": "${workspaceRoot}/.vscode/chrome"
}
]
} 
dotnet new mvc
ng new SignalRCore2Client
<Project Sdk="Microsoft.NET.Sdk.Web">
<PropertyGroup>
<TargetFramework>netcoreapp2.0</TargetFramework>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.0" />
<PackageReference Include="Microsoft.AspNetCore.SignalR" Version="1.0.0-alpha1-final" />
</ItemGroup>
<ItemGroup>
<DotNetCliToolReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Tools" Version="2.0.0" />
<DotNetCliToolReference Include="Microsoft.DotNet.Watcher.Tools" Version="2.0.0" />
</ItemGroup>
</Project> dotnet restore
dotnet watch run
using System.Threading.Tasks;
using Microsoft.AspNetCore.SignalR;
namespace SignalRCore2WebApp.Hubs
{
public class MessageHub : Hub
{
public Task Send(string message)
{
return Clients.All.InvokeAsync("Send", message);
}
}
} public void ConfigureServices(IServiceCollection services)
{
services.AddSignalR();
services.AddMvc();
} public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
app.UseSignalR(routes =>
{
routes.MapHub<MessageHub>(path: "message");
}); http://localhost:5000/message
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.SignalR;
using SignalRCore2WebApp.Hubs;
namespace SignalRCore2WebApp.Controllers
{
public class HomeController : Controller
{
private readonly IHubContext<MessageHub> _messageHubContext;
public HomeController(IHubContext<MessageHub> messageHubContext)
{
_messageHubContext = messageHubContext;
}
public IActionResult Index()
{
return View(); // show the view
}
[HttpPost]
public async Task<IActionResult> Index(string message)
{
await _messageHubContext.Clients.All.InvokeAsync("Send", message);
return View();
}
}
} @{
ViewData["Title"] = "Home Page";
}
<form method="post"
asp-action="Index"
asp-controller="Home"
role="form">
<div class="form-group">
<label label-for="message">Message: </label>
<input id="message" name="message" class="form-control"/>
</div>
<button class="btn btn-primary" type="submit">Send</button>
</form> npm install @aspnet/signalr-client --save
import { Component, OnInit } from "@angular/core";
import { HubConnection } from "@aspnet/signalr-client";
@Component({
selector: "app-root",
templateUrl: "./app.component.html",
styleUrls: ["./app.component.css"]
})
export class AppComponent implements OnInit {
hubPath = "http://localhost:5000/message";
messages: string[] = [];
ngOnInit(): void {
const connection = new HubConnection(this.hubPath);
connection.on("send", data => {
this.messages.push(data);
});
connection.start().then(() => {
// connection.invoke("send", "Hello");
console.log("connected.");
});
}
} <div>
<h1>
The messages from the server:
</h1>
<ul>
<li *ngFor="let message of messages">
{{message}}
</li>
</ul>
</div> ng serve -o
Failed to load http://localhost:5000/message: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://localhost:4200' is therefore not allowed access.
public void ConfigureServices(IServiceCollection services)
{
services.AddSignalR();
services.AddCors(options =>
{
options.AddPolicy("CorsPolicy",
builder => builder
.AllowAnyOrigin()
.AllowAnyMethod()
.AllowAnyHeader()
.AllowCredentials());
});
services.AddMvc();
} public void Configure(IApplicationBuilder app, IHostingEnvironment env)
{
app.UseCors(policyName: "CorsPolicy"); 
The command depends on the dotnet build command to build the code.
syntax = "proto3";
package helloworld;
service Greeter {
rpc SayHello (HelloRequest) returns (HelloReply) {}
}
message HelloRequest {
string name = 1;
}
message HelloReply {
string message = 1;
} Google.Protobuf grpc Grpc.Tools
<ItemGroup>
<Protobuf Include="helloworld.proto" />
</ItemGroup> using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using Helloworld;
using Grpc.Core;
namespace ServerGrpc
{
class GreeterImpl : Greeter.GreeterBase
{
public override Task<HelloReply> SayHello(HelloRequest request, ServerCallContext context)
{
System.Console.WriteLine("request made!");
return Task.FromResult(new HelloReply { Message = "Hello " + request.Name });
}
}
class Program
{
const int Port = 50051;
public static void Main(string[] args)
{
Server server = new Server
{
Services = { Greeter.BindService(new GreeterImpl()) },
Ports = { new ServerPort("localhost", Port, ServerCredentials.Insecure) }
};
server.Start();
Console.WriteLine("Greeter server listening on port " + Port);
Console.WriteLine("Press any key to stop the server...");
Console.ReadKey();
server.ShutdownAsync().Wait();
}
}
} obj/Debug/netcoreapp2.2(یا نسخهی دیگری که استفاده میکنید)
protoc helloworld.proto --go_out=plugins=grpc:.
package main
import (
"fmt"
"golang.org/x/net/context"
"google.golang.org/grpc"
"gosample/proto"
)
func main() {
initial()
}
func initial(){
conn, _ := grpc.Dial("localhost:50051", grpc.WithInsecure())
defer conn.Close()
client := helloworld.NewGreeterClient(conn)
data, _ := client.SayHello(context.Background(), &helloworld.HelloRequest{Name : "Ali"})
fmt.Println(data)
} Run WPF in .NET Core on Nano Server in Docker
Using Peachpie with Docker to Run PHP on .NET Core
npx degit sveltejs/template my-svelte-project cd my-svelte-project npm install npm run dev
