Merge pull request #46 from philtrep/mongo-container

Mongo container

README.md

@@ -47,11 +47,8 @@ git clone https://github.com/Osedea/nodock.git
 ## Usage
 ```
 cd nodock
-# Simple app
+# Run "node" and "nginx"
 docker-compose up -d node nginx
-# or
-# All containers
-docker-compose up -d
 ```
 
 To overwrite the `docker-compose.yml` file you can use a `docker-compose.override.yml`
@@ -69,6 +66,7 @@ services:
 We provide examples of configurations you might use for a specific stack. Each example has it's own README file with instructions.
 
 * [Simple Web](https://github.com/Osedea/nodock/tree/master/_examples/simple-web) - Node + NGINX
+* [Mongo](https://github.com/Osedea/nodock/tree/master/_examples/mongo) - MongoDB + Node + NGINX
 
 <a name="Workspace"></a>
 ## Workspace

_examples/mongo/README.md

@@ -0,0 +1,21 @@
+## Mongo Service
+
+### Setup
+
+Copy the index file in this folder to the project root:
+
+```bash
+cd <project_folder>/
+
+cp nodock/_examples/simple-web/index.js .
+cp nodock/_examples/simple-web/package.json .
+```
+
+### Usage
+
+```bash
+cd nodock/
+docker-compose up -d mongo node nginx
+```
+
+By going to `127.0.0.1` in your browser you should be seeing a message indicating that `node` as successfully connected to `mongo`.

_examples/mongo/index.js

@@ -0,0 +1,17 @@
+var express = require('express');
+var app = express();
+var MongoClient = require('mongodb').MongoClient;
+var MongoUrl = 'mongodb://mongo:27017/nodock';
+
+app.get('/', function(req, res) {
+    MongoClient.connect(MongoUrl, function(err, db) {
+        if (err !== null) {
+            res.send('Could not connect to MongoDB');
+        } else {
+            res.send('Connected to MongoDB');
+            db.close();
+        }
+    });
+});
+
+app.listen(8000);

_examples/mongo/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "example-node-mongo-docker",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "MIT",
+  "dependencies": {
+    "express": "^4.14.0",
+    "mongodb": "^2.2.10"
+  }
+}

docker-compose.yml

@@ -30,6 +30,13 @@ services:
         extra_hosts:
             - "dockerhost:10.0.75.1"
 
+    mongo:
+        build: ./mongo
+        expose:
+            - "27017"
+        volumes_from:
+            - volumes
+
     nginx:
         build:
             context: ./nginx
@@ -74,4 +81,5 @@ services:
             - ./certbot/letsencrypt/:/var/www/letsencrypt
             - ./certbot/certs/:/var/certs
             - ./data/mysql:/var/lib/mysql
+            - ./data/mongo:/var/lib/mongodb
             - ./data/logs/nginx/:/var/log/nginx

mongo/Dockerfile

@@ -0,0 +1,9 @@
+FROM mongo:3.3
+
+# Add mongo user
+RUN groupadd -r mongo &&\
+    useradd -r -g mongo mongo
+
+USER mongo
+
+CMD mongod --dbpath=/var/lib/mongodb