# Keycloak 9.0.3 - Fatal error on container start

**URL:** <https://forum.keycloak.org/t/keycloak-9-0-3-fatal-error-on-container-start/2244>\
**Category:** Miscellanaeous\
**Created:** [April 20, 2020, 4:08pm UTC](https://forum.keycloak.org/t/keycloak-9-0-3-fatal-error-on-container-start/2244 "2020-04-20T16:08:41Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![Robinyo](https://avatars.discourse-cdn.com/v4/letter/r/dec6dc/32.png) [@Robinyo](https://forum.keycloak.org/u/Robinyo)\
**Post date:** [April 20, 2020, 8:02pm UTC](https://forum.keycloak.org/t/keycloak-9-0-3-fatal-error-on-container-start/2244/5 "2020-04-20T20:02:52Z")

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> [@zonaut](#):
>
> I’ve looked in the Keycloak git repo but don’t find a Dockerfile

See: [Docker](https://hub.docker.com/r/jboss/keycloak/dockerfile)

And:

- [GitHub - keycloak/keycloak-containers: ARCHIVED Containers for the no longer supported WildFly distribution of Keycloak](https://github.com/keycloak/keycloak-containers)
- [https://github.com/keycloak/keycloak-containers/blob/master/server/README.md](https://github.com/keycloak/keycloak-containers/blob/master/server/README.md)

Also see: [Data missing when importing realm - #6 by Robinyo](http://forum.keycloak.org/t/data-missing-when-importing-realm/2276/6)

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