feat: default connection timeout of 15 seconds

By default there is no timeout, which results in fairly unhelpful
messages from other components in the stack because they do have
limits of e.g. 60s

Author: darora

src/server/constants.ts

@@ -7,8 +7,10 @@ const PG_META_DB_USER = process.env.PG_META_DB_USER || 'postgres'
 const PG_META_DB_PORT = Number(process.env.PG_META_DB_PORT) || 5432
 const PG_META_DB_PASSWORD = process.env.PG_META_DB_PASSWORD || 'postgres'
 
+const PG_CONN_TIMEOUT_SECS = Number(process.env.PG_CONN_TIMEOUT_SECS || 15)
+
 export const PG_CONNECTION = `postgres://${PG_META_DB_USER}:${PG_META_DB_PASSWORD}@${PG_META_DB_HOST}:${PG_META_DB_PORT}/${PG_META_DB_NAME}?sslmode=disable`
 
 export const PG_META_EXPORT_DOCS = process.env.PG_META_EXPORT_DOCS === 'true' || false
 
-export const DEFAULT_POOL_CONFIG = { max: 1 }
+export const DEFAULT_POOL_CONFIG = { max: 1, connectionTimeoutMillis: PG_CONN_TIMEOUT_SECS * 1000 }