The most complete solution for deploying. Net core to Linux (CentOS), high level (docker + nginx or jexus)

Me, me 2021-01-22 20:29:36
complete solution deploying. deploying core


We are right. .netcore Deploy to linux With a full understanding , It can meet the application requirements , In this article, we will continue to take you to understand the use of Doker+jexus or Nginx To deploy .net core application .

1、 Use Jexus As web The server

Jexus Is a Linux High performance on the platform WEB Server and load balancing gateway server , To support the ASP.NET、ASP.NET CORE、PHP As a feature , At the same time, it has reverse agent 、 Intrusion detection and other important functions . It can be said that ,Jexus yes .NET、.NET CORE The best hosting server across platforms , If we think it's Linux Platform IIS, It's not too much , because ,Jexus Not only very fast , And have IIS And other Web A high degree of security that servers don't have . meanwhile ,Jexus Web Server It is a domestic software developed by Chinese people independently , And it did “ Security 、 reliable 、 controllable ”, It has the ability of information construction of our party and government organs and important enterprises and institutions Remote desktop Key qualities needed .

jexus Official website :https://www.jexus.org/

1.1、Jexus Installation

jexus The installation of is very simple , Execute the following command :

curl https://jexus.org/release/x64... sh

notes : Run the install command , The operator is required to have root jurisdiction .

1.2、Jexus Configuration and use of

After installation , Switch to /usr/jexus Catalog , modify /usr/jexus/siteconf In the catalog default, The contents are shown below :

notes : Because in the previous chapter we used nginx, Used 80 port , So here I use 8099 port .

port=8099 # port hosts=*    # domain name AppHost={cmd=dotnet Core50Test.dll; root=/root/app_data/core50test/publih; ort=5000}

Next , We have to restart jexus, Execute the following command :

/usr/jexus/jws restart

Tips Ok after , Our application is up .

You can do this by executing the following command , Look at the results of the execution :

ps -aux

You can see that our app has started , Go to the browser to use 8099 Port view to see the effect .

About jexus More detailed instructions for use , Please refer to the official documentation .

1.3、Jexus Operation command of

Jexus Including the following operation commands ( First cd /usr/jexus):
start-up :sudo ./jws start
stop it :sudo ./jws stop
restart :sudo ./jws restart

2、Docker+Nginx or Jexus Deploy

In the introduction of the previous article , Whether it's supervisor+nginx still jexus, All need to be installed on the server .NET Core Of SDK Or runtime , If we have multiple applications , For each application .net core The versions are different , The above practice requires us to install the corresponding SDK Or runtime , Maintenance is troublesome .Docker Appearance , It can solve the above problems perfectly .

2.1、Docker What is it? ?

docker Is an open source software deployment solution ;

docker It's also a lightweight application container framework ;

docker It can be packed 、 Release 、 Run any application .

Docker It has the following advantages :

1、 Fast , Deliver your applications consistently

Docker Allows developers to work in a standardized environment using local containers for your provided applications or services , This simplifies the development life cycle .

Containers are great for continuous integration and continuous delivery (CI / CD) Workflow , Consider the following example scenario :

Your developers write code locally , And use Docker Containers share their work with colleagues .

They use Docker Push its application into the test environment , And perform automatic or manual tests .

When developers find errors , They can fix it in the development environment , Then redeploy it to the test environment , To test and verify .

After the test is completed , Push patches to production , It's as simple as pushing an updated image to the production environment .

2、 Reactive deployment and expansion

Docker It's a container based platform , Allow highly portable workloads .Docker The container can be on the developer's native machine , On physical or virtual machines in the data center , Running on a cloud service or in a hybrid environment .

Docker Portability and lightweight features , You can also easily complete the workload of dynamic management , And according to the business requirements , Expand or dismantle applications and services in real time .

3、 Run more workloads on the same hardware

Docker Light and fast . It provides the possibility of virtual machine based on hypervisor 、 economic 、 Efficient alternatives , So you can use more computing power to achieve business goals .Docker Very suitable for high-density environment and small and medium-sized deployment , And you can do more with fewer resources .

2.2、docker install

Execute the following command :

sudo yum install docker

PS:

Error report Another app is currentlty holding the yum lock ,waiting for it to exit…

resolvent : rm –r /var/run/yum.pid This command Just unlock it
After installation , Execute the following command to set docker Boot up :

systemctl enable docker

Execute the following command to start docker:

systemctl start docker

see docker Start state :

ps: If there's a problem with the installation process , It may run directly, such as command installation .

yum install docker-ce-cli

see docker Version command :

2.3、.net core docker Support

install docker after , We need to add... To the code dockerfile file .

adopt Visual Studio Can help us automatically generate , In the solution , Right-click the project name , Choose in turn 【 add to 】->【Docker Support 】, As shown in the figure below :
Generated dockerfile The file is shown below :

See https://aka.ms/containerfastmode to understand how Visual Studio uses this Dockerfile to build your images for faster debugging.

FROM mcr.microsoft.com/dotnet/aspnet:5.0-buster-slim AS base

WORKDIR /app

EXPOSE 80

FROM mcr.microsoft.com/dotnet/sdk:5.0-buster-slim AS build

WORKDIR /src

COPY ["Core50Test.csproj", ""]

RUN dotnet restore "./Core50Test.csproj"

COPY . .

WORKDIR "/src/."

RUN dotnet build "Core50Test.csproj" -c Release -o /app/build

FROM build AS publish

RUN dotnet publish "Core50Test.csproj" -c Release -o /app/publish

FROM base AS final

WORKDIR /app

COPY --from=publish /app/publish .

ENTRYPOINT ["dotnet", "Core50Test.dll"]

Push the code to git Warehouse , And then again linux Pull the latest code from the server .

Switch to /root/app_data/source/core50test Catalog , Execute the following command , Pull the latest code :

git pull

1

Then execute the following command , Package the code as a mirror :

docker build -f Dockerfile -t core50test .

The first packaging image involves pulling .NET Core The official mirror image of , The pulling speed may be slower , Please be patient .
After packing , Execute the following command , You can view the existing image of the current server :

docker images

When the image is packaged , We can execute docker run Command enabled our app :

docker run -p 81:80 -dit --restart=always --name core50test core50test

The results are as follows :
Access... Through a browser :http://ip:81. If no accident , We can see that the application has run successfully .
docker run : Create a new container and run a command

grammar

docker run [OPTIONS] IMAGE [COMMAND] [ARG...]

OPTIONS explain :

-a stdin:  Specify the standard I / O content type , Optional STDIN/STDOUT/STDERR Three items ;

-d:  Background running container , And return to the container ID;

-i:  Run container in interactive mode , Usually with -t Use at the same time ;

-P:  Random port mapping , The internal port of the container is randomly mapped to the port of the host

-p:  Specify port mapping , The format is : host ( host ) port : Container port

-t:  Reassign a pseudo input terminal to the container , Usually with -i Use at the same time ;

–name=“nginx-lb”:  Specify a name for the container ;

–dns 8.8.8.8:  Specify the DNS The server , The default is the same as the host ;

–dns-search example.com:  Specify the container DNS Search for domain names , The default is the same as the host ;

-h “mars”:  Of the specified container hostname;

-e username=“ritchie”:  Set the environment variable ;

–env-file=[]:  Read environment variables from the specified file ;

–cpuset=“0-2” or --cpuset=“0,1,2”:  Bind container to specified CPU function ;

**-m

–net=“bridge”:  Specify the network connection type of the container , Support bridge/host/none/container: Four types ;

–link=[]:  Add a link to another container ;

–expose=[]:  Open a port or a group of ports ;

–volume , -v:  Bind a volume

2.4、 adopt shell Script implementation docker One click Update app

You can write shell Script , Realize one click Update application . stay /root Directory , establish dockerbuild.sh file , The contents of the document are as follows :

!/bin/bash

cd /root/app_data/source/core50testgit pullimtag=$(uuidgen |sed 's/-//g')docker build -f Dockerfile -t core50test:${imtag} .docker stop core50testdocker rm core50testdocker run -dit --restart=always --name core50test -p 81:80  core50test:${imtag}

to dockerbuild.sh File set execution permissions , The order is as follows :

chmod 777 dockerbuild.sh

When new code is pushed to git Warehouse time , Enter server , perform dockerbuild.sh You can quickly update the application .

./dockerbuild.sh
thus ,.net core Use docker The deployment mode is introduced .

2.5、docker Common commands

Docker Common commands , Generally speaking, it can be divided into the following categories :

Docker environmental information — docker [info|version]

Container lifecycle management — docker [create|exec|run|start|stop|restart|kill|rm|pause|unpause]

Container operation and maintenance — docker [ps|inspect|top|attach|wait|export|port|rename|stat]

Containers rootfs command — docker [commit|cp|diff]

Mirror warehouse — docker [login|pull|push|search]

Local image management — docker [build|images|rmi|tag|save|import|load]

Container Resource Management — docker [volume|network]

System log information — docker [events|history|logs]

from docker Order the use of departure , Comb out the following command structure diagram :
To see more detailed commands , You can check the official website or order help

docker --help

3、 summary

Through the introduction of the first three articles , We're right .net core Multiple solutions to linux I have a very comprehensive understanding of , Small teams are enough to use . Attentive students will notice , Although the current solution can achieve one click deployment update , But you still need to log in to linux The server executes the corresponding command .

Show , This is not the best solution , So is there a better solution ? such as : When we submit to git After warehouse , Is it more convenient to deploy the command automatically ?

The answer is yes , We can use jenkins To achieve . If you are interested in , You can do your own research , Or please look forward to the following explanation . And in large projects based on k8s Realized devops. Actually k8s Realization devops The principle is similar to the introduction above , Based on is with the help of gitlab Of runner perhaps jenkins, monitor git The state of the warehouse , When the specified branch is found to have changed , Packaging mirroring , And then by replacing k8s Of deployment To achieve automatic update . meanwhile ,k8s Elastic scaling is realized 、 Rolling update and other functions .

Several years along the way , thank RDIFramework.NET Supporters and users of the framework , You can find out the details through the following address .

RDIFramework.NET Official website :http://www.rdiframework.net/

RDIFramework.NET The official blog :http://blog.rdiframework.net/

In particular , Please refer to the official website for framework related technical articles , Welcome to collect !

RDIFramework.NET The framework is long-term built by the professional team of Hainan Guosi Software Technology Co., Ltd 、 Keep updating 、 Upgrading all the time , Please feel free to use !

In the first two :

.NET Core Deploy to linux(CentOS) The most comprehensive solution , Routine

.NET Core Deploy to linux(CentOS) The most comprehensive solution , Advanced (Supervisor+Nginx)

We are right. .netcore Deploy to linux With a full understanding , It can meet the application requirements , In this article, we will continue to take you to understand the use of Doker+jexus or Nginx To deploy .net core application .

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本文为[Me, me]所创,转载请带上原文链接,感谢
https://javamana.com/2021/01/20210122202844098l.html

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