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server.js
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server.js
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const mongoose = require('mongoose');
process.on('uncaughtException',function(err){
console.log('Uncaught Exception.................')
console.log(err.name,err.message);
process.exit(1);
})
const dotenv = require('dotenv');
dotenv.config({path:'./config.env'})
const app = require('./app');
const DB = process.env.DATABASE.replace('<PASSWORD>',process.env.DATABASE_PASSWORD);
mongoose.connect(DB,{
useNewUrlParser : true,
useCreateIndex:true,
useFindAndModify:false,
useUnifiedTopology: true
}).then(con=>{
console.log('DB connection successful')
})
const port = process.env.PORT || 8000;
const server = app.listen(port, () => {
console.log(`App running on port ${port}...`)
})
process.on('unhandledRejection',err=>{ // ? It's for asynchronous code.
console.log(err.name,err.message);
console.log('Unhandled Rejection..............')
server.close(()=>{
process.exit(1); //! Gracefully shuting down. Server handle the pending request or being handled.
})
// process.exit(1); // ! abruptly shutdown every process.
})
//console.log(x); // synchronous code error.