March 2022
Intermediate to advanced
560 pages
10h 41m
English
Content preview from Learning DevOps - Second Edition
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Chapter 4: Optimizing Infrastructure Deployment with Packer
In the previous chapters, we learned how to provision a cloud infrastructure using Terraform and then we continued with the automated configuration of VMs with Ansible. This automation allows us to benefit from a real improvement in productivity and very visible time-saving.
However, despite this automation, we notice the following:
- Configuring a VM can be very time-consuming because it depends on its hardening as well as the middleware that will be installed and configured on this VM.
- Between each environment or application, the middleware versions are not identical because their automation script is not necessarily identical or maintained over time. Hence, for example, the production ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.