update image to use pm2

Dockerfile

@@ -1,9 +1,9 @@
-FROM node:6
+FROM keymetrics/pm2:6-jessie
 
 RUN groupadd -r app && useradd -r -g app app
 
 ADD . /var/www
 WORKDIR /var/www
 
 RUN npm install --no-optional
-CMD ["npm", "start"]
+CMD [ "pm2-runtime", "start", "ecosystem.config.js" ]

ecosystem.config.js

@@ -0,0 +1,40 @@
+module.exports = {
+  apps : [{
+    name: "loadDHT",
+    script: "./loadDHT.js",
+    env: {
+      NODE_ENV: "development",
+    },
+    env_production: {
+      NODE_ENV: "production",
+    }
+  }, {
+    name: "loadTorrent",
+    script: "./loadTorrent.js",
+    args: "--watch",
+    env: {
+      NODE_ENV: "development",
+    },
+    env_production: {
+      NODE_ENV: "production",
+    }
+  }, {
+    name: "categorize",
+    script: "./categorize.js",
+    env: {
+      NODE_ENV: "development",
+    },
+    env_production: {
+      NODE_ENV: "production",
+    }
+  }, {
+    name: "crawlDHT",
+    script: "./crawlDHT.js",
+    env: {
+      NODE_ENV: "development",
+    },
+    env_production: {
+      NODE_ENV: "production",
+    }
+  }]
+}