Aligning RAILS_ENV, DD_ENV, Amplify Stage, Namespace Stage in AWS Deployments

README.md

Questions

• should RAILS_ENV == DD_ENV
• should DD_ENV == NAMESPACE_STAGE

how do we make these decisions?

current environment

• lower level deployed heroku apps use 'staging' as RAILS_ENV.
• prod uses 'production' as RAILS_ENV
• the namespace stage is either PRODUCTION, DEVELOPMENT or STAGING depending on the deployment account;

Account	Namespace Stage	Deployment Environments
ftf-radix-production	PRODUCTION	radix-prod, environments w/ prod data
ftf-radix-staging	STAGING	radix-stg, and PR/review environments
ftf-radix-development	DEVELOPMENT	radix-dev, and sandbox environments

considertations

• We are setting default values. RAILS_ENV, DD_ENV, &c can be explicitly provided per deployment environment.
• We can add additional NAMESPACE_STAGES. these could align w/ AMPLIFY_STAGES, currently; PRODUCTION, BETA, DEVELOPMENT, EXPERIMENTAL, PULL_REQUEST
• local rails development currently uses RAILS_ENV=development

Recommendation

1. We base RAILS_ENV on the namespace stage

NAMESPACE_STAGE	RAILS_ENV
PRODUCTION	production
DEVELOPMENT	development
STAGING	staging

thus RAILS_ENV=development remains for local development (in docker compose). TODO: is this what we want? is local dev (docker compose) set to "development" in other rails services? what is community standard?

2. We set DD_ENV to Environment tag, aka terraform.workspace

WORKSPACE	DD_ENV
prod	prod
dev	dev
sandbox	sandbox

3. Pull request / review / qa environments will be given the STAGING namespace stage, and thus staging RAILS_ENV.

Examples

Deployment ID	NAMESPACE_STAGE	RAILS_ENV	DD_ENV
radix-prod	PRODUCTION	production	prod
radix-stg	STAGING	staging	stg
radix-dev	DEVELOPMENT	development	dev
radix-sandbox	DEVELOPMENT	development	sandbox
radix-pr-73	STAGING	staging	pr-73

(local development would continue to use development as RAILS_ENV)

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