ecosystem.config.js

module.exports = {
    /**
     * Application configuration section
     * http://pm2.keymetrics.io/docs/usage/application-declaration/
     */
    apps: [
        {
            name: 'apps',
            script: 'server/index.js',
            //watch: ['.nuxt', 'build'],
            env: {
                COMMON_VARIABLE: 'true'
            },
            env_production: {
                NODE_ENV: 'production'
            },
            'instances': 4,
            'exec_mode': 'cluster',
            'error_file': 'err.log',
            'out_file': 'out.log',
            'merge_logs': true,
            'log_date_format': 'YYYY-MM-DD HH:mm Z',
        },
    ],

    /**
     * Deployment section
     * http://pm2.keymetrics.io/docs/usage/deployment/
     */
    deploy: {
        production: {
            user: 'node',
            host: '212.83.163.1',
            ref: 'origin/master',
            repo: 'git@github.com:repo.git',
            path: '/var/www/production',
            'post-deploy': 'npm install && pm2 reload ecosystem.config.js --env production'
        },
        dev: {
            user: 'node',
            host: '212.83.163.1',
            ref: 'origin/master',
            repo: 'git@github.com:repo.git',
            path: '/var/www/development',
            'post-deploy': 'npm install && pm2 reload ecosystem.config.js --env dev',
            env: {
                NODE_ENV: 'dev'
            }
        }
    }
};