Obrigado Maiki pelo seu apoio 
Ok, estamos usando este software: GitHub - canonical/canonicalwebteam.discourse
Ele usa uma consulta do Data Explorer, mas depois não consegue lidar com os links âncora.
A partir daí, vejo 2 caminhos possíveis:
- Enviar um PR para a Canonical
- Ter nosso servidor Discourse em 2.6.7
Nosso servidor está atualmente em 2.9.0 beta10. Não há muito conteúdo lá, então seria super fácil transferir para outro, sem grandes problemas.
Tentei iniciar um novo servidor (no Docker) com:
#version: tests-passed
substituído por
version: f73cdbbd2f20460ea6330930f97cdce59fb984be (último commit do 2.6.7)
Mas, infelizmente, ele se recusa a iniciar:
run-parts: executing /etc/runit/1.d/00-ensure-links
run-parts: executing /etc/runit/1.d/00-fix-var-logs
run-parts: executing /etc/runit/1.d/01-cleanup-web-pids
run-parts: executing /etc/runit/1.d/anacron
run-parts: executing /etc/runit/1.d/cleanup-pids
Cleaning stale PID files
run-parts: executing /etc/runit/1.d/copy-env
Started runsvdir, PID is 47
ok: run: redis: (pid 62) 0s
ok: run: postgres: (pid 59) 0s
supervisor pid: 57 unicorn pid: 90
config/unicorn_launcher: line 71: kill: (90) - No such process
config/unicorn_launcher: line 15: kill: (90) - No such process
(57) exiting
timeout: down: redis: 0s, normally up, want up
timeout: down: redis: 1s, normally up, want up
timeout: down: redis: 1s, normally up, want up
timeout: down: redis: 1s, normally up, want up
timeout: down: redis: 0s, normally up, want up
timeout: down: redis: 0s, normally up, want up
timeout: down: redis: 0s, normally up, want up
timeout: down: redis: 0s, normally up, want up
timeout: down: redis: 0s, normally up, want up
timeout: down: redis: 1s, normally up, want up
timeout: down: redis: 0s, normally up, want up
timeout: down: redis: 1s, normally up, want up
timeout: down: redis: 0s, normally up, want up
timeout: down: redis: 1s, normally up, want up
ok: run: redis: (pid 358) 0s
timeout: down: postgres: 0s, normally up, want up
timeout: down: redis: 1s, normally up, want up
...
Alguma sugestão?