How to connect remote database via NodeJS

Question

I am trying to connect to Heroku's database via NodeJs.

I tried to connect to localhost and it worked perfectly. But when i tried to remote database it gives error.

Here is the localhost connection code which is working perfectly.

const conectionString='postgressql://postgres:1234@localhost:5433/Qfield'
const client= new Client({
    connectionString:conectionString
})

client.connect()

//client.query('select * from point',(err,res)=>{
//    console.log(err,res)
//    client.end()
//})

client.query('SELECT * FROM trees', function(err, res) {
    console.log(err,res)
    client.end()
    });

Here is the error connection which is remote database.

const {Pool,Client}=require('pg')
const conectionString='postgressql://Username:[email protected]:5432/database'
const client= new Client({
    connectionString:conectionString
})

client.connect()

//client.query('select * from point',(err,res)=>{
//    console.log(err,res)
//    client.end()
//})

client.query('SELECT * FROM trees', function(err, res) {
    console.log(err,res)
    client.end()
    });

Here is the error.

(node:14896) UnhandledPromiseRejectionWarning: error: no pg_hba.conf entry for host "193.140.225.88", user "vfoiltyjszbpav", database "dduigib0uc8ebt", SSL off
    at Connection.parseE (C:\Users\CBS Lab\Desktop\postgres_conn\node_modules\pg\lib\connection.js:604:11)
    at Connection.parseMessage (C:\Users\CBS Lab\Desktop\postgres_conn\node_modules\pg\lib\connection.js:401:19)
    at Socket.<anonymous> (C:\Users\CBS Lab\Desktop\postgres_conn\node_modules\pg\lib\connection.js:121:22)
    at Socket.emit (events.js:198:13)
    at addChunk (_stream_readable.js:288:12)
    at readableAddChunk (_stream_readable.js:269:11)
    at Socket.Readable.push (_stream_readable.js:224:10)
    at TCP.onStreamRead [as onread] (internal/stream_base_commons.js:94:17)
(node:14896) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1)
(node:14896) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
Error: Connection terminated unexpectedly
    at Connection.con.once (C:\Users\CBS Lab\Desktop\postgres_conn\node_modules\pg\lib\client.js:252:9)
    at Object.onceWrapper (events.js:286:20)
    at Connection.emit (events.js:198:13)
    at Socket.<anonymous> (C:\Users\CBS Lab\Desktop\postgres_conn\node_modules\pg\lib\connection.js:131:10)
    at Socket.emit (events.js:203:15)
    at endReadableNT (_stream_readable.js:1145:12)
    at process._tickCallback (internal/process/next_tick.js:63:19)

How can I fix this error? What am I doing wrong?

Veve · Accepted Answer · 2019-11-08 13:36:24Z

3

Add ssl=true to your connection string to fix the error you've got:

const conectionString='postgressql://Username:[email protected]:5432/database?ssl=true'

answered Nov 8, 2019 at 13:36

Veve

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