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Sample Startup Project

A starter greeting template for cloud demo deployments

It's essentially a fancier "Hello World" app.

Introduction

Welcome to your new project. This is a basic starter project with a NodeJS app connected to a database for you to modify and expand to fit your needs. It provides scripts for developing and running locally, as well as "Infrastructure-as-Code" using Terraform to allow the app to be easily deployed to public cloud environments. Currently, AWS is supported, but support for other cloud targets may be added in the future.

Prerequisites

In order to develop or run the app locally, you will need:

  • a bash-like terminal environment; testing has primarily been done using MacOS Catalina
  • make
  • Docker

In order to deploy to AWS, you will also need:

  • terraform 12 or newer
  • the AWS CLI (on MacOS Catalina, brew install awscli)
  • access to an AWS account and mechanism to get temporary (STS) credentials

Setup

One-time Setup

# setup development environment
make setup-development-env

Build and Run Locally using Docker

make local

Deploy to AWS

Build Deployment Image

The image that is built using the local build step is not intended for remote deployment, so before we can deploy to a remote environment, we need to build an suitable image. The command below will do this.

make pipeline-build

Provision Image Repository

Once we have a deployment image, we need to push the image to repository where the runtime container engine will be able to access it, so we need to create a repository. The command below will set up a repository for us.

You will need to Log into AWS before running the command below and make your credentials visible to your command shell via environment variables AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY and AWS_SESSION_TOKEN. Note: The make command below calls terraform behind the scenes and you will be prompted whether to proceed with creation of the repository. Answer `yes' at the prompt to proceed.

make setup-image-repository

Push image

Next, we can push the image to the repository that was created above using the command below.

make pipeline-push

Provision AWS infrastructure and Deploy App

The next step is to provision the services that are needed to run the app in AWS. The command below will do this by calling Terraform. When the procedure is completed, it will have created all the services, and the application will be deployed.

Note: You may wish to "refresh" your AWS credentials (login in again using AWS console and update environment variables) at this point, as the provisioning step takes some time and credentials are time-bound. Note: You will see some of the steps you completed are run again. These are mostly "no-ops" and shouldn't add much time to the process. Nothing to see here...

make setup-aws-infrastructure

Once the process completes, it will print a URL that can be pasted into your browser. It may take a few moments, but you will be able to access to app at the printed URL.

Cleanup/Teardown

The task of decommissioning the app and its infrastructure, can be done in one step as shown below.

make cleanup-aws-infrastructure

License

Copyright 2020 Province of British Columbia

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.