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website: copy cleanups

This commit is contained in:
Armon Dadgar 2014-07-27 14:51:45 -04:00
parent a08c1816cf
commit 5a763e58a3
2 changed files with 12 additions and 12 deletions
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6
website/source/intro/index.html.markdown
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@ -55,7 +55,7 @@ The key features of Terraform are:
as possible, and operators get insight into dependencies in their
infrastructure.
* **Change Automation**: Potentially complex changesets are applied to
* **Change Automation**: Complex changesets can be applied to
your infrastructure with minimal human interaction.
With the previously mentioned execution
plan and resource graph, you know exactly what Terraform will change
@ -67,5 +67,5 @@ See the page on [Terraform use cases](/intro/use-cases.html) to see the
multiple ways Terraform can be used. Then see
[how Terraform compares to other software](/intro/vs/index.html)
to see how it fits into your existing infrastructure. Finally, continue onwards with
the [getting started guide](/intro/getting-started/install.html) to get
Terraform managing some real infrastructure and to see how it works.
the [getting started guide](/intro/getting-started/install.html) to use
Terraform to manage real infrastructure and to see how it works.

18
website/source/intro/use-cases.html.markdown
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@ -20,24 +20,24 @@ non-trivial applications quickly need many add-ons and external services.
Terraform can be used to codify the setup required for a Heroku application, ensuring
that all the required add-ons are available but it can go even further, configuring
DNSimple to use an update CNAME, or setting up CloudFlare to act as a CDN for the
DNSimple to set a CNAME, or setting up CloudFlare as a CDN for the
app. Best of all, Terraform can do all of this without using a web interface in
under 30 seconds.
#### Multi-Tier Applications
A very common pattern is the N-tier architecture. The most common 2-tier architecture is
a pool of web servers that interface with a database tier. Extending this, additional
tiers get added for API servers, caching servers, routing meshes, etc. This pattern is used
because the tiers can be scaled indepedently and provide a seperation of concerns.
a pool of web servers that use a database tier. Additional tiers get added for API servers,
caching servers, routing meshes, etc. This pattern is used because the tiers can be scaled
indepedently and provide a seperation of concerns.
Terraform is an ideal tool for building and managing these infrastructures. Each tier can
be described as a collection of resources, and the depedencies between each tier is handled
automatically; Terraform will ensure the database tier is available before the web servers
are started and that the load balancers are aware of the web nodes. Each tier can then be
scaled easily using Terraform by modifying a single `count` configuration value. Because
the creation and provisioning of a resource is codified and automated, it becomes trivial
to build autoscaling systems to elastically scale with load.
the creation and provisioning of a resource is codified and automated, elastically scaling
with load becomes trivial.
#### Self-Service Clusters
@ -55,8 +55,8 @@ a tool to manage their services.
Modern software is increasing networked and distributed. Although there exists
tools like [Vagrant](http://www.vagrantup.com/) to build virtualized environments
for demos, it is still very challenging to demo software on infrastructure providers
which more closely match production environments or require a large number of nodes.
for demos, it is still very challenging to demo software on real infrastructure
which more closely match production environments.
Sofware writers can provide a Terraform configuration to create, provision and
bootstrap a demo on cloud providers like AWS. This allows end users to easily demo
@ -88,7 +88,7 @@ Terraform can be used to codify the configuration for software defined networks.
This configuration can then be used by Terraform to to automatically setup and modify
settings by interfacing with the control layer. This allows configuration to be
versioned and changes to be automated. As an example, [AWS VPC](http://aws.amazon.com/vpc/)
is the largest deployments and commonly used SDN implementations, and [can be configured by
is one of the most commonly used SDN implementations, and [can be configured by
Terraform](/docs/providers/aws/r/vpc.html).
#### Resource Schedulers