fix: add tcpKeepAlive to connectionPool config (#258)

Author: tamassoltesz

CHANGELOG.md

@@ -7,6 +7,10 @@ to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
 
+## [8.1.3]
+
+- Adds tcpKeepAlive to the connection pool config
+
 ## [8.1.2]
 
 - Adds user_id index to the user roles table

build.gradle

@@ -2,7 +2,7 @@ plugins {
     id 'java-library'
 }
 
-version = "8.1.2"
+version = "8.1.3"
 
 repositories {
     mavenCentral()

src/main/java/io/supertokens/storage/postgresql/ConnectionPool.java

@@ -91,6 +91,7 @@ private synchronized void initialiseHikariDataSource() throws SQLException, Stor
         config.addDataSourceProperty("cachePrepStmts", "true");
         config.addDataSourceProperty("prepStmtCacheSize", "250");
         config.addDataSourceProperty("prepStmtCacheSqlLimit", "2048");
+        config.addDataSourceProperty("tcpKeepAlive", "true");
         // TODO: set maxLifetimeValue to lesser than 10 mins so that the following error doesnt happen:
         // io.supertokens.storage.postgresql.HikariLoggingAppender.doAppend(HikariLoggingAppender.java:117) |
         // SuperTokens