mount it locally, so we can modify the local file db: image:mysql ports: -"8003:3306" Environment: -mysql_root_password=123456 volumes: -/home/jinhan/mysql/ Data:/var/lib/mysql //database data, hanging locally -/home/jinhan/mysql/conf:/etc/mysql/conf.d//Database configuration, we're going to put it ourselves.Four. Mounting volumesWe're experimenting with MySQL and WordPress.Configure MySQL config to increase the number of connections becaus
responsible for monitoring 8080 ports, Nginx received dynamic Web pages need to be handled by Tomcat, to be forwarded to 8080 ports. In the Docker environment, the Nginx directly forwards the request to 8080,tomcat is not forwarded. So with Llinks, the value here is T1, which is the name.In the nginx.conf file, add the following configuration:On the HTTP side, addUpstream Backend {#后台负载均衡容器及端口, this example
0x0. Origin:On a new Fedora 25 today, following official documentation, after installing docker-compose using curl, verify that an error occurred when the installation was successful:The command used for installation is;Curl-l https://github.com/docker/compose/releases/download/1.14.0-rc2/
( referred to as a project , that is, an item ), For example, a scheduler, two Web the service container plus the backend database service container, and so on. 650) this.width=650; "title=" image "style=" border-top:0px; border-right:0px; Background-image:none; border-bottom:0px; padding-top:0px; padding-left:0px; border-left:0px; padding-right:0px "border=" 0 "alt=" image "src=" http://s3.51cto.com/wyfs02/M02/87/03/wKiom1fRGqrhQc8gAACa9_ Ftpie004.
In the previous part, " Run the ASPDOTNETCOREMVC program on Docker-part4: Load Balancing ", We have several more complex steps on the Docker platform to achieve the load balance of the website program, configuration steps are more. If the actual site is less, the overall architecture is relatively simple case, this does not have much problem, if the application of more time, will be prone to error. At this
Docker ~ Docker-compose and dockercompose
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Docker-compose is a tool used to define and run complex applications in Docker. For example, to define multiple containers in
option) Example: docker-Compose up starts the service in the dependent order, in the following example, when the redis and DB services start the Web service by default using docker-Compose up Web to start the web service, the red
For details about how to install docker-ce and docker-compose in ubuntu,Install docker in mint 18.2 (Sonya)
Similar to ubuntu installation, refer to the ubuntu installation method provided on the official website.Delete the original version
Sudo apt-get remove docker-engine
Tags: compose and high-availability Docker swarmOne. Docker ComposeDocker Compose divides the managed containers into three tiers, engineering (project), Services (service), and Containers (CONTAIENR). All files (docker-compose.yml, extends files, or environment variable fil
encounter the need for multiple containers to cooperate with each other to complete a task. For example, to implement a Web project, in addition to the Web Services container itself, it is often necessary to add the backend database service container, and so on.
Compose just met the demand. It allows the user to define a set of associated application containers through a separate
app:restart:always Build:./app working_dir:/app volumes:-. /app:/app-~/.m2:/root/.m2 Expose:-"8080" depends_on:-nginx-mysql command:mvn clean s Pring-boot:run-dspring-boot.run.profiles=docker
version: ‘3‘: Represents the use of a third-generation syntax to build a Docker-compose.yaml file.
services: Used to indicate the service that compose needs
Brief introduction:Docker can run a configured server on a single command, which is handy.But there is also a problem is that when the parameters are more, the mapping directory is more, map port more ...I used to write a script, start with a foot, very low ah.Also see some of the Docker Image introduction page has introduced Docker-compose, but because has been
build a Docker-compose.yaml file.
services: Used to indicate the service that compose needs to start, we can see that there are three services in this file: Nginx, MySQL, app.
container_name: Container Name
environment: The information under this node is passed into the container as an environment variable, and in this example the MySQL service configures
Compose is a tool for defining and running Multi-container Docker applications. With Compose, you use a Compose file to configure your application ' s services. Then, using a single command, you create and start all the Servicesfrom your configuration. To learn more on all the features of Composesee the list of feature
-compose.yml fileUpstream App {{{Range service ' Logapi '}}server {.} address}}:{{. Port}} max_fails=3 fail_timeout=60 weight=1;{{Else}}server 127.0.0.1:65535; # force a 502{{end}}}server {Listen default_server;Location/{Proxy_pass Http://app;Proxy_set_header x-forwarded-for $proxy _add_x_forwarded_for;Proxy_set_header Host $host;Proxy_set_header X-real-ip $remote _addr;}}Go to the directory where the Docker-compose.yml file is locatedRunning sudo
Docker-compose Use Example
Using Docker to build a MySQL + Java service + Nginx, a total of 4 Docker containers, if used Docker run way a container to create very cumbersome. In order to create containers more efficiently,
Tags: always folder ges latest command put PWD general execInformation:
Docker version ( $ docker --version ): Docker version 18.03.1-ce, version 9ee9f40
System Information: WINDOWS10 Professional Edition
MySQL is mounted in Docker's volume 1. The first step: 1 Docker volume create Mysql-data 2. S
Functions of docker-compose
Docker-comopse can help us quickly build a development environment. For example, you can deploy redis, MongoDB, rabbitmq, MySQL, Eureka, and configserver on the local machine once, and then let them be the basis of other projects, which can be implemented.Communication between containers-lin
VirtualBox virtual machine app is still used to start boot2docker.Docker has dealt with the dependencies that have been made on boot2docker. Existing boot2docker are automatically migrated to the new toolbox, for example, as shown in.Kitematic, formerly a standalone component, provides an open-source Docker GUI that launches lite Linux images in VirtualBox. The product did not change as much as the
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