Adjust pg connection params

db/pg.js

@@ -2,13 +2,12 @@ const { Pool } = require('pg');
 const debug = require('debug')('sos:pg');
 
 const pool = new Pool({
-  max: 20,
+  max: 40,
   connectionTimeoutMillis: 1000,
   host: process.env.DB_HOST,
   user: process.env.DB_USER,
   database: process.env.DB_NAME,
   password: process.env.DB_PASS,
-  connectionTimeoutMillis: 200
 });
 
 pool.on('error', err=>debug(err));