old_contents: module.exports = {
    "apps" : [{
      "name": "express",
      "script": "./src/app/index.js",
      "interpreter": "./node_modules/.bin/babel-node",
      "watch": ["src/server/**/*.js", "src/app/**/*.js", "babel.config.js"],
      "watch_options": {
        "usePolling": true,
        "alwaysStat": true,
        "useFsEvents": false
      },
      "env": {
        "NODE_ENV": "development",
  
        "ELASTIC_APM_SERVICE_NAME": "bughouse-web",
        "ELASTIC_APM_SERVER_URL": "localhost:8200",
  
        "REDIS_SESSION_STORE_URL": "redis://localhost:6379/0",
        "REDIS_APPLICATION_STORE_URL":  "redis://localhost:6379/1"
      }
  
    }, {
      "name": "webpack",
      "script": "./node_modules/.bin/webpack-dev-server",
      "watch": ["config/webpack.config.js"],
      "args": "--watch --cache --config config/webpack.config.js",
      "env": {
        "NODE_ENV": "development"
      }
  
    }, {
      "name": "simul",
      "script": "./src/simul/index.js",
      "interpreter": "./node_modules/.bin/babel-node",
      "watch": ["src/simul/**/*.js", "babel.config.js"],
      "watch_options": {
        "usePolling": true,
        "alwaysStat": true,
        "useFsEvents": false
      },
      "env": {
        "NODE_ENV": "development",
        "ELASTIC_APM_SERVICE_NAME": "bughouse-simul"
      }
    }]
  }
  
new_contents: module.exports = {
    "apps" : [{
      "name": "express",
      "script": "./src/app/index.js",
      "interpreter": "./node_modules/.bin/babel-node",
      "watch": ["src/server/**/*.js", "src/app/**/*.js", "babel.config.js"],
      "watch_options": {
        "usePolling": true,
        "alwaysStat": true,
        "useFsEvents": false
      },
      "env": {
        "NODE_ENV": "development",
  
        "ELASTIC_APM_SERVICE_NAME": "bughouse-web",
  
        "REDIS_SESSION_STORE_URL": "redis://localhost:6379/0",
        "REDIS_APPLICATION_STORE_URL":  "redis://localhost:6379/1"
      }
  
    }, {
      "name": "webpack",
      "script": "./node_modules/.bin/webpack-dev-server",
      "watch": ["config/webpack.config.js"],
      "args": "--watch --cache --config config/webpack.config.js",
      "env": {
        "NODE_ENV": "development"
      }
  
    }, {
      "name": "simul",
      "script": "./src/simul/index.js",
      "interpreter": "./node_modules/.bin/babel-node",
      "watch": ["src/simul/**/*.js", "babel.config.js"],
      "watch_options": {
        "usePolling": true,
        "alwaysStat": true,
        "useFsEvents": false
      },
      "env": {
        "NODE_ENV": "development",
        "ELASTIC_APM_SERVICE_NAME": "bughouse-simul"
      }
    }]
  }
  
subject: remove unnecessary environment variable