draw.io

draw.io is free online diagram software for making flowcharts, process diagrams, org charts, UML, ER and network diagrams.

Installation using Synology Container Manager

Within your docker folder (/volume1/docker) create a folder named: drawio
Move the following files to that newly created folder
- compose.yml
- .env.sample
Rename .env.sample to .env
Change the environment variables in the file .env as you see fit (Don't forget to remove the # in front of the row you want to use)
Open Container Manager via Synology DiskStation Manager (DSM)
Go to Project (in the left pane)
Click Create
Name your project drawio
Select the path you created in step 1
Choose to use the existing docker-compose.yml file
Click Next
Click Next on the Web portal settings page
Click Done and wait for Container Manager to finish (Exit Code: 0)

Open Portainer with the correct environment.
Under Stacks click the button + Add stack.
Give your stack a name (i.e.: drawio).
Paste the contents of compose.yml under Web editor.
Paste the contents of .env.sample under Environment variables.
- Click Advanced mode to be able to paste.
Change the environment variables as you see fit.
Click Deploy the stack and wait for Portainer to finish.

The following variables could be set an environment varaiables using the .env file.

Value	Default	Information
RESTART	unless-stopped	Choose a restart policy.
DRAWIO_CONTAINER_NAME	draw.io	This is used for the name of the container
DRAWIO_TAG	latest	Choose a version tag.
DRAWIO_PORT	8080	Default port.