convert app to use node-config

config/default.js

@@ -0,0 +1,36 @@
+module.exports = {
+  host: process.env.HOST || 'localhost',
+  port: process.env.PORT || 7777,
+
+  keyLength: 10,
+
+  maxLength: 400000,
+
+  staticMaxAge: 86400,
+
+  recompressStaticAssets: true,
+
+  logging: [
+    {
+      level: "verbose",
+      type: "Console",
+      colorize: true
+    }
+  ],
+
+  keyGenerator: {
+    type: "phonetic"
+  },
+
+  storage: {
+    type: "redis",
+    host: process.env.REDIS_HOST || 'localhost',
+    port: process.env.REDIS_PORT || 6379,
+    db: process.env.REDIS_DB || 2,
+    expire: process.env.REDIS_EXPIRE || 2592000
+  },
+
+  documents: {
+    about: "./about.md"
+  }
+};

config/docker.js

@@ -0,0 +1,36 @@
+module.exports = {
+  host: "0.0.0.0",
+  port: 7777,
+
+  keyLength: 10,
+
+  maxLength: 400000,
+
+  staticMaxAge: 86400,
+
+  recompressStaticAssets: true,
+
+  logging: [
+    {
+      level: "verbose",
+      type: "Console",
+      colorize: true
+    }
+  ],
+
+  keyGenerator: {
+    type: "phonetic"
+  },
+
+  storage: {
+    type: "redis",
+    host: process.env.REDIS_PORT_6379_TCP_ADDR || process.env.REDIS_HOST || 'localhost',
+    port: process.env.REDIS_PORT_6379_TCP_PORT || process.env.REDIS_PORT || 6379,
+    db: process.env.REDIS_DB || 2,
+    expire: process.env.REDIS_EXPIRE || 2592000
+  },
+
+  documents: {
+    about: "./about.md"
+  }
+};