Elasticsearch Connection refused when using real database

Thanks for the quick reply Colin, so from looking at the web logs it looks like the connection to postgres is the issue Caused by: java.lang.IllegalStateException: Can not connect to database. Please check connectivity and settings (see the properties pref ixed by 'sonar.jdbc.'). at org.sonar.db.DefaultDatabase.checkConnection(DefaultDatabase.java:119) at org.sonar.db.DefaultDatabase.start(DefaultDatabase.java:84) ... 24 common frames omitted Caused by: java.sql.SQLException: Cannot create PoolableConnectionFactory (The connection attempt failed.) at org.apache.commons.dbcp2.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:2385) at org.apache.commons.dbcp2.BasicDataSource.createDataSource(BasicDataSource.java:2110) at org.apache.commons.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1563) at org.sonar.db.profiling.NullConnectionInterceptor.getConnection(NullConnectionInterceptor.java:31) at org.sonar.db.profiling.ProfiledDataSource.getConnection(ProfiledDataSource.java:317) at org.sonar.db.DefaultDatabase.checkConnection(DefaultDatabase.java:116) ... 25 common frames omitted Caused by: org.postgresql.util.PSQLException: The connection attempt failed. at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:292) at org.postgresql.core.ConnectionFactory.openConnection(ConnectionFactory.java:49) at org.postgresql.jdbc.PgConnection.<init>(PgConnection.java:195) at org.postgresql.Driver.makeConnection(Driver.java:454) at org.postgresql.Driver.connect(Driver.java:256) at org.apache.commons.dbcp2.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:53) at org.apache.commons.dbcp2.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:291) at org.apache.commons.dbcp2.BasicDataSource.validateConnectionFactory(BasicDataSource.java:2395) at org.apache.commons.dbcp2.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:2381) ... 30 common frames omitted Caused by: java.net.SocketTimeoutException: connect timed out at java.base/java.net.PlainSocketImpl.socketConnect(Native Method) at java.base/java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:399) at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:242) at java.base/java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:224) at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:403) at java.base/java.net.Socket.connect(Socket.java:609) at org.postgresql.core.PGStream.<init>(PGStream.java:70) at org.postgresql.core.v3.ConnectionFactoryImpl.tryConnect(ConnectionFactoryImpl.java:91) at org.postgresql.core.v3.Connect