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BookingProvider

A Care Connect Booking Provider demonstrator

This is able to act as a Provider system, offering a set of Slots that can be booked, and allowing Appointments to be POSTed in, thereby booking one of those slots.

Basis

Based on the HAPI FHIR RESTful server code.

Uses Auth0 libraries to validate the supplied JWT.

Usage

Build as a WAR and run (e.g. with a Context Root of /poc) and then:

See Dockerfile for more details of running as a self contained docker container using Jetty.

To run locally in Docker, use the following commands:

docker build -t a2sibookingprovider .
docker run -d -p 443:8080 --name bookingprovider a2sibookingprovider

NB: The URLs of all resources in responses use a server base setting read from the baseurl value in server.properties. It is advisable to edit this value so that links to (for example) any Slots resolve back to the server.

Repo and code

Deployment

Runs a in a Docker container in ECS, at http://appointments.directoryofservices.nhs.uk:443/poc/index

Uses BitBucket pipeline (see bitbucket-pipelines.yml) to deploy whenever a successful (i.e. unit tests passing) push is made to the Master branch:

$(aws ecr get-login --no-include-email --region eu-west-2 --profile domainb)
docker build -t a2sibookingprovider .
docker tag a2sibookingprovider:latest ${AWS_REGISTRY_URL}:latest
docker push ${AWS_REGISTRY_URL}:latest
sleep 2
aws ecs update-service --cluster BookingPOCCluster --service Demonstrator --force-new-deployment

JWT details

In order for requests to be accespted, they need to include an access_token in an Authorization header, for example:

curl -X GET \
  http://localhost:443/poc/Slot \
  -H 'Accept: application/json' \
  -H 'Authorization: Bearer:  eyJ0eX----wCXBzcEVg'

In order to get an access_token, make a call as follows:

curl -X POST \
  https://login.microsoftonline.com/e52111c7-4048-4f34-aea9-6326afa44a8d/oauth2/v2.0/token \
  -H 'Content-Type: application/x-www-form-urlencoded' \
  -d 'client_id=0f7bc08b-3395-4b4b-b23b-f790fc62bf91&client_secret=mVBtuzR-------XreUpnBVb8%3D&grant_type=client_credentials&scope=http%3A%2F%2Fappointments.directoryofservices.nhs.uk%3A443%2Fpoc%2F.default'

Where scope is the root of the FHIR Server being targeted.