From cee6c95d2c913ea05aeb7bfc1817cb9c76ea0617 Mon Sep 17 00:00:00 2001
From: Stuart Douglas <stuart.w.douglas@gmail.com>
Date: Fri, 27 Sep 2024 19:27:38 +1000
Subject: [PATCH] feat: set DB con TTL to 1m (#2869)

This is not perfect, but is way better than opening a new connection
every time when under load

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
---
 go-runtime/ftl/database.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/go-runtime/ftl/database.go b/go-runtime/ftl/database.go
index d0d4a18fb6..c0c6717654 100644
--- a/go-runtime/ftl/database.go
+++ b/go-runtime/ftl/database.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"database/sql"
 	"fmt"
+	"time"
 
 	"github.com/XSAM/otelsql"
 	"github.com/alecthomas/types/once"
@@ -47,6 +48,8 @@ func PostgresDatabase(name string) Database {
 			if err != nil {
 				return nil, fmt.Errorf("failed to register database metrics: %w", err)
 			}
+			db.SetConnMaxIdleTime(time.Minute)
+			db.SetMaxOpenConns(20)
 			return db, nil
 		}),
 	}