Add ability to run locally with Docker Compose

.dockerignore

@@ -0,0 +1 @@
+node_modules

Dockerfile

@@ -0,0 +1,10 @@
+FROM node:9.0.0-slim
+
+COPY package.json .
+COPY package-lock.json .
+
+RUN npm install
+
+COPY . .
+
+CMD npm start

README.md

@@ -47,3 +47,14 @@ Just place your files in a new directory in the `api/.nextRelease/data` folder w
 
 ### How to contact us
 If you have any questions, feel free to ask us on our Twitter page [@randomapi](https://twitter.com/randomapi).
+
+### To Run Locally with Docker Compose
+
+```bash
+# runs mongo as a background container
+docker-compose up --build db -d
+# start the service
+docker-compose up --build randomuser
+# call the API
+curl -i localhost:3000/api/
+```

docker-compose.yml

@@ -0,0 +1,19 @@
+version: "3.7"
+
+services:
+  db:
+    image: mongo:4.2.10
+    restart: always
+    environment:
+      MONGO_INITDB_ROOT_USERNAME: user
+      MONGO_INITDB_ROOT_PASSWORD: pass
+      MONGO_INITDB_DATABASE: randomuser
+    ports:
+      - "27017:27017"
+    volumes:
+      - ./mongo-init.js:/docker-entrypoint-initdb.d/mongo-init.js:ro
+
+  randomuser:
+    build: .
+    ports:
+      - "3000:3000"

models/db.js

@@ -3,8 +3,13 @@ const settings = require('../settings');
 
 module.exports = testEnv => {
   const dbName = settings.db + (testEnv ? '-test' : '');
+  const dbServer = settings.dbServer;
+  const credentials =
+    settings.dbUsername && settings.dbPassword
+      ? settings.dbUsername + ':' + settings.dbPassword + '@'
+      : '';
 
-  mongoose.connect('mongodb://localhost/' + dbName, {
+  mongoose.connect('mongodb://' + credentials + dbServer + '/' + dbName, {
     useNewUrlParser: true,
     useUnifiedTopology: true,
     useFindAndModify: false,

mongo-init.js

@@ -0,0 +1,12 @@
+db.createUser(
+    {
+        user: "user",
+        pwd: "pass",
+        roles: [
+            {
+                role: "readWrite",
+                db: "randomuser"
+            }
+        ]
+    }
+);

settings.json

@@ -1,6 +1,9 @@
 {
   "port": 3000,
   "db": "randomuser",
+  "dbServer": "db",
+  "dbUsername": "user",
+  "dbPassword": "pass",
   "maxResults": 5000,
   "limit": 20000,
   "resetInterval": 300000,

sockets.js

@@ -25,7 +25,7 @@ function updateStats() {
       Request.findOne({
         date: util.getDateTime()
       }, (err, obj) => {
-        if (obj !== null) {
+        if (obj !== undefined && obj !== null) {
           cb(err, {
             total: format(obj.total),
             bandwidth: filesize(obj.bandwidth)
@@ -51,7 +51,7 @@ function updateStats() {
             "$sort": { "total": -1 }
           }
       ], (err, result) => {
-        if (result.length !== 0) {
+        if (result !== undefined && result.length !== 0) {
           cb(err, {
             total: format(result[0].total),
             bandwidth: filesize(result[0].bandwidth, {
@@ -78,7 +78,7 @@ function updateStats() {
             }
           }
       ], (err, result) => {
-        if (result.length !== 0) {
+        if (result !== undefined && result.length !== 0) {
           cb(err, {
             total: format(Math.round(result[0].total / 30)),
             bandwidth: filesize(result[0].bandwidth)