Scout/Tutorial/4.0/cloud/local cloud

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Scout Tutorial
This page belongs to the Cloud Tutorial.

• Back: Deploy your Application into the Cloud .

Run your Application in a local cluster

For developing and testing issues its often required to run the application on the local machine. In this section your will learn how to set-up a local environment to run multiple server nodes.

Install load balancer

As load balancer we recommend to use the Apache HTTPD Service. Download here.

Configuration

Open the file "config/httpd.conf" Enable the following plugins (Uncomment the imports)

• mod_proxy.so
• mod_proxy_balancer.so
• mod_proxy_http.so

Include the file "httpd-vhosts.conf". For this search for "httpd-vhosts.conf" and uncomment the line.

Now opten the file "config/extra/httpd-vhosts.conf". Uncomment the line with "##NameVirtualHost *:80" and insert the following code:

<VirtualHost *:80>
	ProxyRequests off
	ServerName localhost
	<Proxy balancer://cluster>
		BalancerMember http://localhost:8081
		BalancerMember http://localhost:8082
		BalancerMember http://localhost:8083
	</Proxy>
	ProxyPass / balancer://cluster/
</VirtualHost>

Redirect you Clients

To use the Load Balancer with your Clients you have to update their Server URL to: server.url=http\://localhost\/helloworld_server/process

for the following config-files:

1. /org.eclipse.scout.helloworld.ui.swt/products/development/config.ini
2. /org.eclipse.scout.helloworld.ui.swt/products/production/config.ini
3. /org.eclipse.scout.helloworld.ui.swing/products/development/config.ini
4. /org.eclipse.scout.helloworld.ui.swing/products/production/config.ini
5. /org.eclipse.scout.helloworld.ui.rap/products/development/config.ini
6. /org.eclipse.scout.helloworld.ui.rap/products/production/config.ini