Kio

February 25, 2026 · View on GitHub

Kio is the application registry in the STUPS ecosystem. It manages the basic information about an organisation’s applications.

Download

Releases are pushed as Docker images in the public Docker registry:

Image: stups/kio

You can run Kio by starting it with Docker:

$ docker run -it stups/kio

Configuration

Configuration is provided via environment variables during start.

Variable	Default	Description
HTTP_PORT	`8080`	TCP port to provide the HTTP API.
HTTP_CORS_ORIGIN		Domain for cross-origin JavaScript requests. If set, the Access-Control headers will be set.
DB_SUBNAME	`//localhost:5432/kio`	JDBC connection information of your database.
DB_USER	`postgres`	Database user.
DB_PASSWORD	`postgres`	Database password.

Example:

$ docker run -it \
    -e HTTP_CORS_ORIGIN="*.zalando.de" \
    -e DB_USER=kio \
    -e DB_PASSWORD=kio123 \
    stups/kio

Building

$ lein uberjar
$ lein docker build

Releasing

$ lein release :minor

Developing

Kio embeds the reloaded workflow for interactive development:

$ lein repl
user=> (go)
user=> (reset)

License

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.