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Docker and ESC

With pulumi up, creates a local docker image & starts a container that:

  • Is based from the official Pulumi Docker image
  • Installs ESC
  • Adds any env vars from the ESC environment named my-runner
  • pulumi previews the Pulumi program under runner/proj which outputs:
    • the value of an environment variable injected via ESC
    • the value of a stack config variable injected via ESC
  • No secrets (aside from the PAT you control) need to be stored locally!

Deploying the App

To deploy your infrastructure, follow the steps below.

Prerequisites

  1. Install Pulumi
  2. Install Docker and have it running
  3. A valid Pulumi Access Token in thePULUMI_ACCESS_TOKEN environment variable
  4. ESC environment named my-runner

my-runner ESC config example

(add this before running)

values:
  environmentVariables:
    MY_RUNNER_ENV_SETTING: 'env from ESC'
  pulumiConfig:
    configFromEsc: 'config from ESC'

Running the App

  1. Install prerequisites:

    $ pulumi install

  2. Create a new stack:

    $ pulumi stack init dev

  3. Preview and deploy the app via pulumi up. The preview may take a few minutes, as it builds a Docker container. A total of 4 resources are created.

    $ pulumi up

    Updating (dev)

View in Browser (Ctrl+O): https://app.pulumi.com/<your org>/docker-ecs/dev/updates/1

     Type                       Name                     Status              Info
+   pulumi:pulumi:Stack        docker-ecs               created (6s)
+   ├─ command:local:Command   pinstall                 created (1s)
+   ├─ docker:index:Image      demo-image               created (2s)        1 message
+   └─ docker:index:Container  demo-container           created (0.56s)

Diagnostics:
docker:index:Image (demo-image):
Building your image for linux/arm64 architecture.
To ensure you are building for the correct platform, consider explicitly setting the `platform` field on ImageBuildOptions.

Outputs:
imageName: "demoorg/demo-image:main"

Resources:
+ 4 created

Duration: 7s

  4. Check the docker container's log:

     Logging in using access token from PULUMI_ACCESS_TOKEN
 Previewing update (dev)
 
 View Live: https://app.pulumi.com/<your org>/runner/dev/previews/<guid>
 
 
 @ Previewing update....
  +  pulumi:pulumi:Stack runner-dev create
 @ Previewing update.....
  +  pulumi:pulumi:Stack runner-dev create From ESC env: env from ESC
  +  pulumi:pulumi:Stack runner-dev create From ESC config: config from ESC
  +  pulumi:pulumi:Stack runner-dev create 2 messages
 Diagnostics:
   pulumi:pulumi:Stack (runner-dev):
     From ESC env: env from ESC
     From ESC config: config from ESC

 Resources:
     + 1 to create

  5. Note the "From ESC env" and "From ESC config" contain config values from ESC

Ideas for further exploration

  • Change the values in the ESC environment and re-run the container. Note the new values are output.
  • When the Pulumi Service Provider supports it, create a short-lived access token to use with the container.
  • Do something more useful with the "runner" project!

Clean up

To clean up resources, run pulumi destroy and answer the confirmation question at the prompt.