Merge pull request #27 from derogab/dev

Add docker support

.dockerignore

@@ -0,0 +1,8 @@
+node_modules
+yarn.lock
+daemon
+assets 
+Dockerfile
+docker-compose.yml
+.travis.yml
+.git

.env

@@ -0,0 +1 @@
+REACT_APP_DAEMON_SOCKET_PORT=8081

Dockerfile

@@ -0,0 +1,19 @@
+FROM node:10
+
+# Create app directory
+WORKDIR /usr/src/app
+
+# Install app dependencies
+# A wildcard is used to ensure both package.json AND package-lock.json are copied
+# where available (npm@5+)
+COPY package*.json ./
+RUN yarn
+
+# Copy app
+COPY . .
+
+# Expose ports 
+EXPOSE 3000
+
+# Run command 
+CMD [ "yarn", "start" ]

README.md

@@ -27,6 +27,24 @@ yarn run all
 ```
 The previous command starts both the [daemon](./daemon) and the web interface.
 
+## Docker
+#### Manual
+1. [Start the `coingraph-daemon`](./daemon/README.md#start-container) and then
+2. 
+    ```shell
+    docker run -d \
+      -p 3000:3000 \
+      --link DAEMON_CONTAINER_ID \
+      derogab/coingraph-client
+    ```
+
+#### Using `docker-compose` 
+Open `docker-compose.yml` and eventually change environment variables.  
+
+And then
+```shell
+docker-compose up -d --build
+```
 
 ## License
 _Coingraph_ is made with ♥  by [derogab](https://github.com/derogab) and the [amazing dev team](https://github.com/derogab/coingraph/graphs/contributors). It is released under the MIT license.

daemon/.dockerignore

@@ -0,0 +1,6 @@
+node_modules
+yarn.lock
+data
+db.json
+Dockerfile
+docker-compose.yml

daemon/.env

@@ -0,0 +1,5 @@
+TIMEOUT=180
+DATABASE=db.json
+IO_PORT=8081
+API_PORT=8080
+CRYPTOCURRENCIES=bitcoin,ethereum

daemon/Dockerfile

@@ -0,0 +1,20 @@
+FROM node:10
+
+# Create app directory
+WORKDIR /usr/src/app
+
+# Install app dependencies
+# A wildcard is used to ensure both package.json AND package-lock.json are copied
+# where available (npm@5+)
+COPY package*.json ./
+RUN yarn
+
+# Copy app
+COPY . .
+
+# Expose ports 
+EXPOSE 8080 8081
+
+# Run command 
+ENTRYPOINT [ "node", "app.js" ]
+CMD []

daemon/README.md

@@ -12,9 +12,46 @@ yarn
 ```
 
 ## Configuration  
-Open `config.yml` and eventually change your preferences.
+Open `.env` and eventually change default preferences.
 
 ## Usage
 ```shell	
-yarn start
+node app.js
 ```
+Or with custom params
+```shell
+node app.js \
+    --db db.json \
+    --crypto bitcoin,ethereum \
+    --timeout 180 \
+    --api-port 8080 \
+    --io-port 8081
+```
+Info: custom params overwrite default preferences in `.env`.
+
+## Docker
+###### Build image from source
+```shell
+docker build -t derogab/coingraph-daemon .
+```
+###### Start container
+```shell
+docker run -d \
+    -p 8080:8080 \
+    -p 8081:8081 \
+    -v /path/to/host/data:/usr/src/app/data \
+    derogab/coingraph-daemon
+```
+Or with custom params
+```shell
+docker run -d \
+    -p 8080:8080 \
+    -p 8081:8081 \
+    -v /path/to/host/data:/usr/src/app/data \
+    derogab/coingraph-daemon \
+    --db db.json \
+    --crypto bitcoin,ethereum \
+    --timeout 180 \
+    --api-port 8080 \
+    --io-port 8081
+```

daemon/app.js

@@ -4,30 +4,44 @@
  * A daemon for coingraph
  *
  */
-const fs = require('fs');
-const YAML = require('yaml');
 const low = require('lowdb');
 const FileSync = require('lowdb/adapters/FileSync');
 const io = require('socket.io')()
 const express = require('express')
 
+/**
+ * Environment variables
+ * 
+ */
+require('dotenv').config();
+
+/**
+ * Args
+ * 
+ */
+var argv = require('minimist')(process.argv.slice(2));
+
 /**
  * Init
  * 
- */ 
-const file = fs.readFileSync('./config.yml', 'utf8');
-const config = YAML.parse(file);
+ */
+const config = {
+    url: 'https://api.coinmarketcap.com/v1/ticker/',
+    timeout: argv.timeout || process.env.TIMEOUT || 180,
+    db: argv.db || process.env.DATABASE || 'db.json',
+    cryptocurrencies: (argv.crypto || process.env.CRYPTOCURRENCIES).split(',')
+}
 
-const adapter = new FileSync(config.db.file || 'db.json');
+const adapter = new FileSync('data/' + config.db);
 const db = low(adapter);
 db.defaults({ status: {}, cryptocurrencies: [] }).write();
 
-const io_port = 8081
+const io_port = argv['io-port'] || process.env.IO_PORT || 8081
 io.listen(io_port)
 console.log('IO listening on port ', io_port)
 
 const app = express()
-const api_port = config.api.port || 8080
+const api_port = argv['api-port'] || process.env.API_PORT || 8080
 app.listen(api_port)
 console.log('API listening on port ', api_port)
 

daemon/package.json

@@ -5,12 +5,13 @@
   "main": "app.js",
   "dependencies": {
     "axios": "^0.19.0",
+    "dotenv": "^8.2.0",
     "express": "^4.17.1",
     "fs": "^0.0.1-security",
     "http": "^0.0.0",
     "lowdb": "^1.0.0",
-    "socket.io": "^2.3.0",
-    "yaml": "^1.7.2"
+    "minimist": "^1.2.0",
+    "socket.io": "^2.3.0"
   },
   "scripts": {
     "start": "node app.js"

daemon/routes/data.js

@@ -13,7 +13,7 @@ module.exports = function(db, io, app, config) {
      * 
     */
     function realtime(crypto) {
-        axios.get(config.resource.url + crypto, {
+        axios.get(config.url + crypto, {
             params: {
 
             }
@@ -63,7 +63,7 @@ module.exports = function(db, io, app, config) {
             // always executed
             setTimeout(function(){ 
                 realtime(crypto);    
-            }, config.resource.timeout * 1000 || 60000);
+            }, config.timeout * 1000 || 60000);
         });
     }