Within the current 5.0.5 Platform upgrade, Jelastic starts the process of certified software stacks transition to dockerized containers, following the global trend of this technology adoption. Such implementation does not limit any of the existing native templates’ functionality and even enlarges it with the inherent Docker containers support possibilities in Jelastic.
As one of the main advantages gained, this novelty simplifies delivery of new stack versions, which can be performed by a cluster administrator at any time by means of the corresponding Docker image tag addition. In such a way, availability of the most recent software is not bound to a particular platform upgrade anymore, whilst it’s developer who decides whether the update is required and when to perform it (by means of the inbuilt Docker container redeployment functionality). This allows to resolve any vulnerability or security issue almost immediately after the official fix is provided and ensures much more flexibility during development.
Currently, the following stacks were converted for being treated as Docker containers: NGINX load balancer, Maven, Memcached, Apache PHP, NGINX PHP, Tomcat 6/7/8, TomEE, MySQL 5.6/5.7, MariaDB 5/10 and Varnish. All such dockerized templates are packaged, proven and fully managed by Jelastic team. The remaining software stacks will be consequentially modified within future Jelastic releases.
In order to support this feature integration, a number of changes were applied to the dashboard UI:
Take into consideration that all abovementioned newly created containers will be built upon Dockerized templates for now, whilst the already existing servers will also remain fully operable due to backward compatibility.
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