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MAKING A WEBSCRAPER USING AWS INSTALL
MAKING A WEBSCRAPER USING AWS DOWNLOAD

MAKING A WEBSCRAPER USING AWS INSTALL

provisioners (optional) is an array of one or more objects that defines the provisioners that will be used to install and configure software for the machines created by each of the builders.

If it is not specified, then no variables are defined.

variables (optional) is an object of one or more key/value strings that defines user variables contained in the template.

builders (required) is an array of one or more objects that defines the builders that will be used to create machine images for, and configures each of those builders.

Along with each key, it is noted whether it is required or not.

The available keys within a template are listed below. Packer Template Formatīefore we begin, let’s define the components that make up a packer template in order to understand the role each component performs in the process of creating a machine image (The definitions below are copied from ):Ī template is a JSON object that has a set of keys configuring various components of Packer. If you are not comfortable with setting up an AWS account (credit card is required, even for the free-tier), I will be doing a follow-up post that uses Vagrant and Ansible to build VirtualBox images. I am warning you with peace and love, I am not responsible for any charges that are generated. If your account is not elibigle for the free-tier or you have used the maximun number of EC2 hours for the current month, you can incur actual costs as a result of using these examples (The accumulated costs should be relatively minor, less than a dollar or a few dollars if you launch an instance and leave it running for a month). The image will use a t2.micro instance, which qualifies for the free-tier. The packer template shown in this post builds an Amazon EC2 image, so create an account if you do not already have one.

MAKING A WEBSCRAPER USING AWS DOWNLOAD

Installing packer is simple, visit this page for instructions as well as download links for all platforms. In fact, when building images, Packer is able to use tools like Chef or Puppet to install software onto the image. Packer does not replace configuration management like Chef or Puppet. Packer is lightweight, runs on every major operating system, and is highly performant, creating machine images for multiple platforms in parallel. Packer is an open source tool for creating identical machine images for multiple platforms from a single source configuration. The official website describes packer as follows: Packer is a powerful build automation tool that is relatively simple to integrate with your team’s workflow. Implementing a successful build automation strategy can dramatically improve product quality and produce time savings in several areas. Build automation is a foundational concept within the culture of Continuous Delivey and DevOps.