Timeline streaming stopped after #10210

[kedamaDQ]

Actual behaviour

Streaming is crashed because connection from node to postgresql become SSL even if DB_SSLMODE is not set. (regression from mastodon#10210)

Steps to reproduce the problem

Start streaming service with postgresql which works non ssl connections. I got error log, and streaming stopped.

ERR! Error: The server does not support SSL connections

There is not DB_SSLMODE in my .env.production. As far as I investigate, "ssl" option of pg.Pool() of node not has "sslmode" option. Probabry, just only add "ssl" key into config object, and even if it is empty, connection to postgresql become SSL.

Specifications

mastodon: master (3f4a6d4)