ecosystem.config.js

const appendEnvIfNotProduction = name => {
  let suffix = "-development"

  if (typeof process.env === "object") {
    if (typeof process.env.NODE_ENV === "string") {
      if (process.env.NODE_ENV.trim() !== "") {
        suffix = ("-" + process.env.NODE_ENV.trim().toLowerCase()).replace(
          "-production",
          ""
        )
      }
    }
  }

  return name + suffix
}

module.exports = {
  apps: [
    {
      name: appendEnvIfNotProduction("stats"),
      script: "server.js",
      instances: 3,
      env_preprod: {
        NODE_ENV: "preprod"
      },
      env_production: {
        NODE_ENV: "production"
      }
    }
  ],
  deploy: {
    production: {
      user: "podcloud",
      host: "eve.podradio.fr",
      ref: "origin/master",
      repo: "git@github.com:PodShows/podcloud-stats.git",
      path: "/home/podcloud/production/stats",
      "pre-deploy-local": "ssh-keyscan eve.podradio.fr >> ~/.ssh/known_hosts",
      "post-deploy": "npm install",
      env: {
        NODE_ENV: "production"
      }
    },
    preprod: {
      user: "podcloud",
      host: "eve.podradio.fr",
      ref: "origin/develop",
      repo: "git@github.com:PodShows/podcloud-stats.git",
      path: "/home/podcloud/preprod/stats",
      "pre-deploy-local": "ssh-keyscan eve.podradio.fr >> ~/.ssh/known_hosts",
      "post-deploy": "npm install",
      env: {
        NODE_ENV: "preprod"
      }
    }
  }
}