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Run Waltz as a container

Pre Requisites

  • Docker
  • Postgres DB instance (optional, can run in Docker instead)

Configuration

  • The Waltz container will use default values to connect its DB.
  • By default it will try to update its DB and then run Waltz.
  • You can change this by providing environment variables to the container on the command line or as part of docker-compose.yml

Default values and actions

The container will execute two commands: update and run. The first command will update the database instance by running liquibase against it. The second command run will execute catalina.sh run to run Waltz.

The default parameters are listed below:

  • DB_HOST="postgres"
  • DB_PORT="5432"
  • DB_NAME="waltz"
  • DB_USER="waltz"
  • DB_PASSWORD="waltz"
  • DB_SCHEME="waltz"
  • WALTZ_FROM_EMAIL="[email protected]"
  • WALTZ_BASE_URL="http://127.0.0.1:8080/"
  • CHANGELOG_FILE=_FILE="/opt/waltz/liquibase/db.changelog-master.xml"

Running

Docker Compose

To start Waltz with a Postgres instance in just one command, you can use docker-compose.yml and run it with:

$> docker-compose up

When the server starts you will see messages about registering endpoints and CORS services, similar to:

....
waltz_1     | 16:33:53.088 [localhost-startStop-1] DEBUG o.f.w.w.e.a.StaticResourcesEndpoint - Registering static resources
waltz_1     | 16:33:53.089 [localhost-startStop-1] INFO  org.finos.waltz.web.Main - Completed endpoint registration
waltz_1     | 16:33:53.093 [localhost-startStop-1] INFO  org.finos.waltz.web.Main - GZIP not enabled
waltz_1     | 16:33:53.094 [localhost-startStop-1] INFO  org.finos.waltz.web.Main - Enabled CORS
waltz_1     | 09-Dec-2021 16:33:53.108 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployWAR Deployment of web application archive [/usr/local/tomcat/webapps/ROOT.war] has finished in [4,292] ms
waltz_1     | 09-Dec-2021 16:33:53.110 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio-8080"]
waltz_1     | 09-Dec-2021 16:33:53.117 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in 4351 ms

Once the container is up you can access the Waltz dashboard on http://127.0.0.1:8080/

Docker run

Run waltz without updating the database:

$> docker run ghcr.io/finos/waltz \
  -p 8080:8080 \
  -e "DB_HOST=IP_or_FQDN" \
  -e "DB_PORT=5432" \
  -e "DB_NAME=demo" \
  -e "DB_USER=user" \
  -e "DB_PASSWORD=password" \
  run

Update the database and run Waltz with fresh database:

$> docker run ghcr.io/finos/waltz \
  -p 8080:8080 \
  -e "DB_HOST=IP_or_FQDN" \
  -e "DB_PORT=5432" \
  -e "DB_NAME=demo" \
  -e "DB_USER=user" \
  -e "DB_PASSWORD=password" \
  update \
  run