Docker vs Terraform: What are the differences?
What is Docker?
Dockerisaset ofplatformasaservice productsthat useOS-levelvirtualization todeliver software in packages called containers. The service has both free and premium tiers. The softwarethathoststhecontainersiscalled Docker Engine. DevOps Training
What is Terraform?
Terraform is an open-source infrastructure-as-code software tool created by Hashicorp Users define and provide data center infrastructure using a declarative configuration languageknownasHashicorp.
Docker and Terraform are primarily classified as "Virtual Machine Platforms & Containers" and "Infrastructure Build" toolsrespectively.
SomeofthefeaturesofferedbyDockerare:
• Integrateddevelopertools
• open,portableimages
• shareable,reusableapps
Ontheotherhand,Terraformprovidesthefollowingkeyfeatures:
• Infrastructure as Code: Infrastructureisdescribedusingahigh-levelconfiguration syntax.Thisallowsablueprintofyourdatacentertobeversionedandtreatedasyou wouldanyothercode.Additionally,infrastructurecanbesharedandre-used.
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• Execution Plans: Terraformhasa"planning"stepwhereitgeneratesanexecution plan.TheexecutionplanshowswhatTerraformwilldowhenyoucallapply.Thislets youavoidanysurpriseswhenTerraformmanipulatesinfrastructure.
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• Resource Graph: Terraformbuildsagraphofallyourresources,andparallelizesthe creation and modification of any non-dependent resources. Because of this, Terraform builds infrastructure as efficiently as possible, and operators get insight intodependenciesintheirinfrastructure.