Below are tips & tricks for deploying an application that uses App Config.
# Serialize APP_CONFIG_SCHEMA variable using CLI
To make deployment easier, "resolve" your schema at build time using the
create-schema CLI subcommand.
This will inline all schema references into one file, which is easy to set as the
APP_CONFIG_SCHEMA=$(npx @app-config/cli create-schema --format json)
One option is to pass this into a Dockerfile as a build argument and use
Or in non-docker environments,
export it before deploying/running the application.
# Serialize APP_CONFIG variable using CLI
When deploying, you'll want to use the
APP_CONFIG environment variable.
Generate a "frozen" value using the CLI, for the environment you're deploying to.
This simplifies all of the values in config, and enables spec compliant apps to work.
APP_CONFIG=$(NODE_ENV=production npx @app-config/cli create --format json --secrets)
Configuration should be dynamic, so you should set this variable when deploying.
# Use app-config-inject for frontends
Create a re-useable deployment container by using app-config-inject. This makes it easy to share the same code between environments, even for statically built web apps.