In the context of the Cloud Native Applications (CNA) Seed Project we are working on migrating an open source CRM application into to the cloud. After enabling horizontal scalabilty of the original application and moving it onto our OpenStack cloud with the help of CoreOS (etcd, fleet) and docker we’ve now just finished adding the monitoring / logging / log-collection functionality – a blog post describing this process in its detail will follow – which is needed for the next part of the project: enabling automatic scaling. As part of this process we’ve learnt some lessons concerning the process management in docker containers which we’d like to share in this post.
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