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Platform:

Fastly Compute

Language:

Rust

Repo:

https://github.com/fastly/compute-starter-kit-rust-kv-store

Use this starter

Using the Fastly CLI, create a new project using this starter somewhere on your computer:

$ fastly compute init --from=https://github.com/fastly/compute-starter-kit-rust-kv-store

Or click the button below to create a GitHub repository, provision a Fastly service, and set up continuous deployment:

Understanding the code

./src/main.rs

A single main function is defined which uses the #[fastly::main] macro, this is the function that recieves the incoming Request and returns a Result<Response>, which will be sent to the user-agent.

Deploying the project to Fastly

Note that Fastly Services have to have unique names within a Fastly Account.

To create and deploy to a new Fastly Service run the command and follow the instructions:

fastly compute publish

That is it, we now have a Fastly Service, a Fastly KV Store and have them linked together!

You can view real-time logs for the Fastly Service by running:

fastly log-tail

Adding entries to the KV Store

It is possible to add key-value pairs to an KV Store using the Fastly CLI like so:

fastly kv-store-entry create --store-id=$FASTLY_KV_STORE_ID --key-name=$KEY --value=$VALUE

For example, here is how you could add to the KV Store named my-store a key named readme whose value is the contents of README.md:

fastly kv-store-entry create --store-id="$(fastly kv-store list --json | jq -r '.Data[]|select(.Name=="my-store").ID')" --key-name="readme" --value="$(cat README.md)"

Next steps

Starters are a good way to bootstrap a project. For more specific use cases, and answers to common problems, try our library of code examples.