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Deploy

Serverless REST API on AWS

A simple REST API that counts the number of times a route has been hit.

Deploying and running the program

Note: some values in this example will be different from run to run. These values are indicated with ***.

  1. Create a new stack:

    $ pulumi stack init count-api-testing

  2. Set the provider and region for AWS:

    $ pulumi config set cloud:provider aws
$ pulumi config set aws:region us-west-2

  3. Restore NPM modules via npm install or yarn install.

  4. Run pulumi up to preview and deploy changes:

    $ pulumi up
Previewing update of stack 'count-api-testing'
...

Updating stack 'count-api-testing'
Performing changes:

    Type                                      Name                                 Status      Info
+   pulumi:pulumi:Stack                       cloud-js-httpserver-routecount-luke  created
+   ├─ cloud:httpserver:HttpServer            routecount                           created
+   │  ├─ cloud:function:Function             routecount                           created
+   │  │  └─ aws:serverless:Function          routecount                           created
+   │  │     ├─ aws:iam:Role                  routecount                           created
+   │  │     ├─ aws:iam:RolePolicyAttachment  routecount-fd1a00e5                  created
+   │  │     ├─ aws:iam:RolePolicyAttachment  routecount-32be53a2                  created
+   │  │     └─ aws:lambda:Function           routecount                           created
+   │  ├─ aws:apigateway:RestApi              routecount                           created
+   │  ├─ aws:apigateway:Deployment           routecount                           created
+   │  ├─ aws:apigateway:Stage                routecount                           created
+   │  ├─ aws:lambda:Permission               routecount-b9de55a3                  created
+   │  └─ aws:lambda:Permission               routecount-e1615237                  created
+   └─ cloud:table:Table                      counterTable                         created
+      └─ aws:dynamodb:Table                  counterTable                         created

    ---outputs:---
    endpoint: "https://zxvi8hpmak.execute-api.us-west-2.amazonaws.com/stage/"

info: 15 changes performed:
    + 15 resources created
Update duration: 32.322463714s

  5. View the endpoint URL and curl a few routes:

    $ pulumi stack output
Current stack outputs (1):
    OUTPUT            VALUE
    endpoint          https://***.us-west-2.amazonaws.com/stage/

$ curl $(pulumi stack output endpoint)/hello
{"route":"/hello","count":1}
$ curl $(pulumi stack output endpoint)/hello
{"route":"/hello","count":2}
$ curl $(pulumi stack output endpoint)/woohoo
{"route":"/woohoo","count":1}

  6. To view the runtime logs of the Lambda function, use the pulumi logs command. To get a log stream, use pulumi logs --follow.

Clean up

  1. Run pulumi destroy to tear down all resources.

  2. To delete the stack itself, run pulumi stack rm. Note that this command deletes all deployment history from the Pulumi Console.