Expressjs pm2 ignore watch public/images folder
A simple explanation, from actual experience
create a json file in the root folder of the the expressjs application. It can have any name, but I used pm2-process.json for clarity
{
"script": "bin/www",
"watch": true,
"ignore_watch": ["log"],
"watch_options": {
"followSymlinks": false
},
"name": "YOUR_PM2_PROCESS_NAME"
}
To start your pm2 service from terminal, in the root folder of the express application:
pm2 start pm2-process.json
That's it. Really simple. There are many other options but this is the bare functional minimum .
Fields explanation:
- script - the script to run the express application
- watch - a boolean flag to control if pm2 watches (or not) the folder
- ignore_watch - if watch is on, then tell pm2 which folders to ignore watching (in other words, this is a watch monitor exclusion list)
- name - the name of the pm2 process ('service'). Set it to your application name of choice.
The full documentation is here: http://pm2.keymetrics.io/docs/usage/application-declaration/#attributes-available
Note: I left the node_modules folder out of the ignore_watch array in the example above, because I want pm2 to restart the service after a git pull and npm i that causes a change in the node modules. However it easy to ignore node_modules or any other folder (e.g., temp, public, etc.) by editing the array values
PM2 has special flag --ignore-watch
flag.
Try creating file process.json
in the same directory where your app.js/index.js is and paste this:
{
"watch": ["server", "client"],
"ignore_watch" : ["node_modules", "public/images"],
"watch_options": {
"followSymlinks": false
}
}
More on that topic: http://pm2.keymetrics.io/docs/usage/watch-and-restart/