More and more services are moving onto the public clouds and so are the cost related escalating following are some general approaches that can be taken to optimize the cost of cloud usage. Consolidate AWS accounts there should not be multiple accounts for the same company/business unit the advantage with this approach is to gain
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How to update a live heavy traffic system with minimum or zero downtime is always an important thought in following I have discussed a few procedures that can be used to update a live site with minimum or not downtime If the services are exposed through a load balancer in front for example Nginx then
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Following is the script that can be used to deploy application to Apache tomcat running on a Linux machine. Also this script can be called from a Jenkins to automate the deployment process. The script file can be downloaded from HotDeployScript #/bin/bash#/bin/bash # . ~/.profile export APP_ID=$1export URL1="http://localhost:8257/myWebApp/mvc/" export CHECK_URLS="$URL1" export CATALINA_HOME=/opt/myWebApp/tomcat7/ export CATALINA_BASE=$CATALINA_HOME echo CATALINA_HOME:
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Using Java 8 and Gradle I had to generate XSD schema. Most of the Gradle plugins out there are not compatible with Java 8 yet. So I tweaked my way and following is how I did it. I had following model class supporting both JAXB and JSON. @XmlType(namespace = "http://com.invalid/1.0/request/schema") @XmlAccessorType(XmlAccessType.FIELD) @XmlRootElement(name = "Person") @JsonRootName(value
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A simple maven archetypes with most common set of libraries, configured property files and some boiler plate code that you often copy past in every project can be of great help. I had similar requirements and here I am sharing my experience of creating a maven archetype project. The source code is available here Java-maven-archetype-github
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Almost all applications running in some web container need access to some configuration file. I always wondered what was the best path and approach to refer it with in your application so you don’t need to worry a lot like redeploying application, rebuild just for changing the configuration file path. This example assumes it’s a spring
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