Sexual Health Service Finder

Helping to connect people to sexual health services.

Installation

Clone the repo: git clone https://github.com/nhsuk/sexual-health-service-finder.git and review the scripts to get up and running.

Testing

The application uses Docker to run in containers. Development is typically done on the host machine. Files are loaded into the container and changes are automatically updated.

Use the test script for continuous testing during development.

Test environments

As the application is being developed, every Pull Request has its own test environment automatically built and deployed to.

Every environment apart from the one we want the public to access requires basic authentication to access. The username and password are not secret, in fact they are included within environment variable table below. The intention with the authentication challenge is to prevent people whom may stumble across the site and not realise it is for testing, it also prevents access by search engines and other bots.

Environment variables

Environment variables are expected to be managed by the environment in which the application is being run. This is best practice as described by twelve-factor.

In order to protect the application from starting up without the required env vars in place require-environment-variables is used to check for the env vars that are required for the application to run successfully. This happens during the application start-up. If an env var is not found the application will fail to start and an appropriate message will be displayed.

Environment variables are used to set application level settings for each environment.

Variable	Description	Default	Required
`ADOBE_TRACKING_URL`	Adobe Analytics Dynamic Tag Management URL		No
`BASIC_AUTH`	An MD5 encrypted htpasswd	test:test
`HOTJAR_ANALYTICS_TRACKING_ID`	Hotjar tracking id		No
`GOOGLE_ANALYTICS_TRACKING_ID`	Google Analytics property id		No
`LOG_LEVEL`	Numeric log level	Depends on `NODE_ENV`
`NODE_ENV`	Node environment	development
`PORT`	Server port	3000
`WEBTRENDS_ANALYTICS_TRACKING_ID`	Webtrends tracking id		No

FAQ

Is the application failing to start?
- Ensure all expected environment variables are available within the environment
- If set, LOG_LEVEL must be a number and one of the defined log levels
- Check for messages in the logs

Architecture Decision Records

This repo uses Architecture Decision Records to record architectural decisions for this project. They are stored in doc/adr.

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