Deployment tool for AWS ECS and ECR
Last updated 2 years ago by jyoung-asymmetrik .
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$ cnpm install @asymmetrik/yadda 
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(Yet Another Docker Deployment Application)

yadda is a command line tool for managing deploying a collection of microservices to AWS EC2 Container Service using a declarative syntax. Create a Manifest file (and associated environment files) declaring your services and jobs (one-time or periodic task), and yadda will handle building the required docker images, pushing them to your AWS Elastic Container Registry, creating the associated services and task definitions in ECS, and running periodic tasks on a schedule.

Warning: Use of yadda will result in creating resources in AWS for which you bear the cost.

Getting Started


yadda is installable via npm under the asymmetrik namespace.

$ npm install -g @asymmetrik/yadda

Deployment Center

To operate, yadda first must install a deployment center that handles the deployment history of your application (enabling the rollback feature) and is responsible for running the jobs defined in your Manifest files.

To create the deployment center, run the following after installing yadda

$ yadda create-deployment-center --region <AWS_REGION> <DEPLOYMENT_CENTER_NAME>

replacing <AWS_REGION> with the region you want the deployment center installed in and <DEPLOYMENT_CENTER_NAME> with the name you want to give this deployment center.

A single deployment center can be used to manage deployments across multiple AWS Regions (including managing deployments on ECS clusters outside of the region where the Deployment Center is installed).

Additionally, a single deployment center can handle managing multiple different applications.

Manifest Files

yadda needs certain information to manage the deployments. This information is stored in a Manifest file for a given App and specific environment files for each deployment environment.

yadda expects these files to be within the root directory of your App, inside a folder named deployment. An example folder structure is provided below.

|- deployment
	|- Manifest.js
	|- env
		|- production.js
		|- staging.js
		|- dev.js

To create a skeleton for the required files, run

$ yadda init

which will create the deployment folder and skeleton files in the current working directory.

You can find an full example under the example directory in this repo. The example files will show the required information for configuring your application.

The schema for the Manifest files can be found under /config/manifest.js.

Deploying your application

After creating your Deployment Center and Manifest, you can deploy the application via

$ yadda deploy <environment>

replacing <environment> with the name of the environment you want to deploy to (for example, yadda deploy staging to deploy to the environment defined in deployment/env/staging.js).

Secret Management

After your Deployment Center is created you can optionally create a secret center which your containers can leverage for encrypted secrets. See Yadda-Secret for the server package.

To create the Secret Center you can run

$ yadda create-secret-center <env>

The command will create a secret center in the same region as your environments deployment center. You can then access the secrets with

$ yadda secret <env> <action> <key> [value]

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