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Running Dash apps inside ShinyProxy

This repository explains how to run Dash apps in ShinyProxy. When running Dash 1.3 or later, you will need to use at least ShinyProxy 2.5.0.

Dash requires the knowledge of the path used to access the app. ShinyProxy makes this path available as an environment variable, therefore you do not have to hard-code this path in your Python code. For example, you can use:

app = dash.Dash(
    __name__,
    requests_pathname_prefix=os.environ['SHINYPROXY_PUBLIC_PATH'],
    routes_pathname_prefix=os.environ['SHINYPROXY_PUBLIC_PATH']
)

Building the Docker image

To pull the image made in this repository from Docker Hub, use

sudo docker pull openanalytics/shinyproxy-dash-demo

The relevant Docker Hub repository can be found at https://hub.docker.com/r/openanalytics/shinyproxy-dash-demo

To build the image from the Dockerfile, navigate into the root directory of this repository and run

sudo docker build -t openanalytics/shinyproxy-dash-demo .

ShinyProxy Configuration

Create a ShinyProxy configuration file (see application.yml for a complete file), containing:

specs:
- id: dash-demo
  display-name: Dash Demo Application
  port: 8050
  container-image: openanalytics/shinyproxy-dash-demo
  target-path: "#{proxy.getRuntimeValue('SHINYPROXY_PUBLIC_PATH')}"

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