Month: September 2013

Build Your App on OpenShift Using Flask, SQLAlchemy, and PostgreSQL 9.2

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Deploy Flask Python Apps on OpenShift

Let me start this blog by confessing that I am a Java guy who first learned Python three years back but haven’t used it much in my day to day work. So, after three long years, I have decided to brush up on my Python skills by developing a simple web application. By simple I don’t mean “Hello World” application but an application which does some work like storing data to a database. After spending some time googling “best web framework in Python,” I zeroed in on Flask. Flask is a microframework for Python based on Werkzeug and Jinja 2. It is a very easy to learn framework and is based on convention over configuration, which means that many things are preconfigured with sensible defaults.

You can read full blog here https://www.openshift.com/blogs/build-your-app-on-openshift-using-flask-sqlalchemy-and-postgresql-92

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Deploy WebSocket Web Applications With JBoss Wildfly

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Wildfly application server on OpenShift

Wildfly is the new name for the community edition of the JBoss Application Server. The current development version of Wildfly (8.0) will be adding support for Java EE 7. Java EE 7 brings a lot of goodies for Java(EE) developers. One of the features of Java EE 7 is the JSR 356 Java API for WebSockets, which specifies a Java API that developers can use to integrate WebSockets into their applications — both on the server side as well as on the Java client side. In case you are new to WebSockets or JSR 356, please refer to my earlier blog post on this subject. In this blog post, we will install Wildfly on OpenShift using the DIY cartridge and look at the sample WebSocket application bundled with the quickstart.

OpenShift already has best in class Java support with Tomcat 6, Tomcat 7, JBoss AS7, and JBoss EAP 6 bundled with it. You can also run Jetty or GlassFish on it using the DIY cartridges. In addition, OpenShift provides support for Jenkins continuous integration server.

Read full blog at https://www.openshift.com/blogs/deploy-websocket-web-applications-with-jboss-wildfly

How to Build and Deploy OpenShift Java Projects using Travis CI

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Recently, Travis CI announced support for deploying OpenShift applications from Travis builds. Travis-CI.org is a free hosted continuous integration server for open source applications. Commercial non-opensource project developers can use the Travis CI commercial offering. This blog shows how developers can use Travis-CI.org to build and deploy OpenShift Java applications. These instructions also apply to commercial offerings Travis-CI.com

Please note that out-of-the-box OpenShift provides support for Jenkins based deployments. You can refer to my blog on Jenkins for more information.

Read full blog https://www.openshift.com/blogs/how-to-build-and-deploy-openshift-java-projects-using-travis-ci.