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make production future ready

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This commit does the following:

Production start should use the following command `npm run
start-producion` this first runs bower install and builds the front end
app(react). Then it will use the `pm2Start` script. This script will set
up the pm2 daemons to run loopback in cluster mode. This script also use
`production-start` script instead of the regular `server` script.

The reasons are two fold: to ensure `server` is run in es7 mode, and to
wait for handshake from DB or kill itself if no DB can be found within a
certain amount of time.
This commit is contained in:
Berkeley Martinez
2015-07-24 22:22:40 -07:00
parent 00b81f408b
commit c0eda90eb1
5 changed files with 45 additions and 38 deletions
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42
server/server.js
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@ -2,8 +2,7 @@ require('dotenv').load();
var pmx = require('pmx');
pmx.init();
var R = require('ramda'),
assign = require('lodash').assign,
var assign = require('lodash').assign,
loopback = require('loopback'),
boot = require('loopback-boot'),
accepts = require('accepts'),
@ -199,7 +198,6 @@ app.use(
})
);
var startTime = Date.now();
boot(app, {
appRootDir: __dirname,
dev: process.env.NODE_ENV
@ -249,7 +247,7 @@ var passportOptions = {
}
};
R.keys(passportProviders).map(function(strategy) {
Object.keys(passportProviders).map(function(strategy) {
var config = passportProviders[strategy];
config.session = config.session !== false;
passportConfigurator.configureProvider(
@ -310,8 +308,6 @@ if (process.env.NODE_ENV === 'development') {
});
}
module.exports = app;
app.start = function() {
app.listen(app.get('port'), function() {
app.emit('started');
@ -323,34 +319,12 @@ app.start = function() {
});
};
module.exports = app;
// start the server if `$ node server.js`
// in production use `$npm start-production`
// or `$node server/production` to start the server
// and wait for DB handshake
if (require.main === module) {
if (process.env.NODE_ENV === 'production') {
var timeoutHandler;
console.log('waiting for db to connect');
var onConnect = function() {
console.log('db connected in %s ms', Date.now() - startTime);
if (timeoutHandler) {
clearTimeout(timeoutHandler);
}
app.start();
};
var timeoutHandler = setTimeout(function() {
var message =
'db did not after ' +
(Date.now() - startTime) +
' ms connect crashing hard';
console.log(message);
// purposely shutdown server
// pm2 should restart this in production
throw new Error(message);
}, 5000);
app.dataSources.db.on('connected', onConnect);
} else {
app.start();
}
app.start();
}