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docker-deployment.md

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Docker Deployment

Blaze comes as a web application which needs one Docker volume to store its data.

Volume

docker volume create blaze-data

Blaze

docker run -d --name blaze -p 8080:8080 -v blaze-data:/app/data samply/blaze:0.17

Blaze should log something like this:

2021-06-27T11:02:29.649Z ee086ef908c1 main INFO [blaze.system:173] - Set log level to: info
2021-06-27T11:02:29.662Z ee086ef908c1 main INFO [blaze.system:43] - Try to read blaze.edn ...
2021-06-27T11:02:29.679Z ee086ef908c1 main INFO [blaze.system:152] - Use storage variant standalone
2021-06-27T11:02:29.680Z ee086ef908c1 main INFO [blaze.system:163] - Feature OpenID Authentication disabled
...
2021-06-27T11:02:37.758Z ee086ef908c1 main INFO [blaze.system:230] - Start metrics server on port 8081
2021-06-27T11:02:37.822Z ee086ef908c1 main INFO [blaze.system:218] - Start main server on port 8080
2021-06-27T11:02:37.834Z ee086ef908c1 main INFO [blaze.core:64] - JVM version: 16.0.2
2021-06-27T11:02:37.834Z ee086ef908c1 main INFO [blaze.core:65] - Maximum available memory: 1738 MiB
2021-06-27T11:02:37.835Z ee086ef908c1 main INFO [blaze.core:66] - Number of available processors: 8
2021-06-27T11:02:37.836Z ee086ef908c1 main INFO [blaze.core:67] - Successfully started Blaze version 0.17.7 in 8.2 seconds

In order to test connectivity, query the health endpoint:

curl http://localhost:8080/health

After that please note that the FHIR RESTful API is available under http://localhost:8080/fhir. A good start is to query the CapabilityStatement of Blaze using jq to select only the software key of the JSON output:

curl -H 'Accept:application/fhir+json' -s http://localhost:8080/fhir/metadata | jq .software

that should return:

{
  "name": "Blaze",
  "version": "0.17.7"
}

Blaze will be configured through environment variables which are documented here.

Docker Compose

A Docker Compose file looks like this:

version: '3.2'
services:
  blaze:
    image: "samply/blaze:0.17"
    environment:
      BASE_URL: "http://localhost:8080"
      JAVA_TOOL_OPTIONS: "-Xmx2g"
    ports:
    - "8080:8080"
    volumes:
    - "blaze-data:/app/data"
volumes:
  blaze-data: