Variables

# The port n8n should be made available on
N8N_PORT=5678

# This ones are currently only important for the webhook URL creation.
# So if "WEBHOOK_TUNNEL_URL" got set they do get ignored. It is however
# encouraged to set them correctly anyway in case they will become
# important in the future.
N8N_PROTOCOL=https
N8N_HOST=n8n.example.com

# The IP address n8n should listen on
N8N_LISTEN_ADDRESS=1.1.1.1

export VUE_APP_URL_BASE_API=https://n8n.example.com/

Dokku

dokku config:set $app --no-restart N8N_PORT=5678

Reference

• https://docs.n8n.io/reference/configuration.html