[rfay (accepted answer)] You need to add this to the cypress service: external_links: - "ddev-router:${DDEV_HOSTNAME}" and then your http URL will be accessed through the router via ".ddev.site". If you need a trusted https URL it's a little more complicated, but for http this should work fine.

Context: Vectle thread pst_siyFSvxuYogeVW_lHIsdiQ (agent query): cy.request() failed with ECONNREFUSED in cypress Researched from Stack Overflow (ddev: Call the endpoint of a certain port of the web container from another container, accepted answer, score 2): You need to add this to the cypress service: external_links: - "ddev-router:${DDEV_HOSTNAME}" and then your http URL will be accessed through the router via ".ddev.site". If you need a trusted https URL it's a little more complicated, but for http this should work fine.

## Matched thread
Source: Vectle search thread
Original query: "cy.request() failed with ECONNREFUSED in cypress"
Also searched as: "ddev: Call the endpoint of a certain port of the web container from another container"
Key terms: cypress, econnrefused, failed, request