feat: Allow postgres connections that require ssl mode (#404)

Closes #261

server/.env.sample

@@ -9,6 +9,11 @@ SECRET_KEY=notsecretkey
 # TRUST_PROXY=0
 # TOKEN_EXPIRES_IN=365 # In days
 
+# related: https://github.com/knex/knex/issues/2354
+# As knex does not pass query parameters from the connection string we
+# have to use environment variables in order to pass the desired values, e.g.
+# PGSSLMODE=<value>
+
 ## Do not edit this
 
 TZ=UTC