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Deploying to Production

Environments

Current we have 3 environments that we deploy to:

  1. syntheticmass-dev.mitre.org
    Our development server. This server operates behind the MITRE proxy and exposes all services, such as the FHIR server (port 3001), MongoDB (port 27017), and HTC API (port 8000). The software and data on this system may be unstable.

  2. syntheticmass-stg.mitre.org
    Our staging server. This server is still behind the MITRE proxy but does not expose services like the development server. This server should match the production server.

  3. syntheticmass.mitre.org
    Our production server. Production is sacred. Only migrate changes to this server after they have been deployed and tested on staging.

Deployment Steps

  1. Begin by deploying to syntheticmass-dev.mitre.org. This may include:

  2. Once you've made your updates and verified that everything works s expected, perform the same steps on syntheticmass-stg.mitre.org. Optionally you may also chose to migrate the Mongo database and migrate the Postgres database.

  3. Following a successful deployment on syntheticmass-stg, carefully repeat the steps on the production site.

  4. Any additional changes or deployment steps should be added to the Server Setup document or this document.

Migrating the Mongo Database

From your local home directory:

$ mongodump --out=./dump --gzip

This dumps the ENTIRE mongo database, including multiple databases if they exist, into the dump/ folder. The --gzip flag significantly compresses the dump, making it easier to transfer.

Next copy the dump to your home directory in another environment:

$ scp -r ./dump/ <user>@<host>.mitre.org:/home/<user>/

Finally, from the directory that the dump was copied to:

$ mongorestore --gzip ./dump

The restore does not rebuild the indexes automatically. GoFHIR must be restarted to build the indexes anew.

Migrating the Postgres Database

As user postgres:

$ sudo su - postgres
$ pg_dump -F c fhir > fhir.bak

This dumps the database in the pg_dump custom format into user postgres's home directory (/var/lib/postgresql/).

Next, copy the dump to your home directory in another environment:

$ scp fhir.bak <user>@<host>.mitre.org:/home/<user>/

Finally, again as user postgres, perform the restore:

$ sudo su - postgres
$ cd /home/<user>/
$ pg_restore -d fhir -F c fhir.bak