Added docker support, made config dynamic (#108)

* Made config.json dynamic

* added docker support

* Fixed dockerfile npm install error

* fixed line ends

* Revert "Made config.json dynamic"

This reverts commit 5cb413b9aa.

* config.json is now loaded dynamically

* Made dynamic config work on github page

* config is now dynamically copied

* removed sync-request dependency

Co-authored-by: d513 <ogoniasty513@gmail.com>

.dockerignore

@@ -0,0 +1,5 @@
+# we dont want default config to be loaded in the dockerfile, but rather using a volume
+config.json
+# build stuff
+node_modules
+public

Dockerfile

@@ -0,0 +1,9 @@
+FROM node:14-alpine
+# Without git installing the npm packages fails
+RUN apk add git
+RUN mkdir /app
+WORKDIR /app
+COPY . /app
+RUN npm install
+RUN npm run build
+ENTRYPOINT ["npm", "run", "prod-start"]

lib/menu.js

@@ -1,17 +1,22 @@
 const { LitElement, html, css } = require('lit-element')
-const config = require('../config.json')
 require('./github_link')
-
+/* global fetch */
 class PrismarineMenu extends LitElement {
   constructor () {
     super()
 
-    this.server = config.defaultHost
-    this.serverport = config.defaultHostPort ?? 25565
-    this.proxy = config.defaultProxy
-    this.proxyport = !config.defaultProxy && !config.defaultProxyPort ? '' : config.defaultProxyPort ?? 443
+    this.server = ''
+    this.serverport = 25565
+    this.proxy = ''
+    this.proxyport = ''
     this.username = window.localStorage.getItem('username') ?? 'pviewer' + (Math.floor(Math.random() * 1000))
     this.password = ''
+    fetch('config.json').then(res => res.json()).then(config => {
+      this.server = config.defaultHost
+      this.serverport = config.defaultHostPort ?? 25565
+      this.proxy = config.defaultProxy
+      this.proxyport = !config.defaultProxy && !config.defaultProxyPort ? '' : config.defaultProxyPort ?? 443
+    })
   }
 
   static get properties () {

server.js

@@ -8,6 +8,8 @@ const path = require('path')
 // Create our app
 const app = express()
 
+app.get('/config.json', (_, res) => res.sendFile(path.join(__dirname, 'config.json')))
+
 app.use(compression())
 app.use(netApi({ allowOrigin: '*' }))
 if (process.argv[3] === 'dev') {

webpack.common.js

@@ -73,7 +73,8 @@ const config = {
         { from: path.join(__dirname, '/node_modules/prismarine-viewer/public/worker.js'), to: './' },
         { from: path.join(__dirname, '/node_modules/prismarine-viewer/public/supportedVersions.json'), to: './' },
         { from: path.join(__dirname, 'assets/'), to: './' },
-        { from: path.join(__dirname, 'extra-textures/'), to: './extra-textures/' }
+        { from: path.join(__dirname, 'extra-textures/'), to: './extra-textures/' },
+        { from: path.join(__dirname, 'config.json'), to: './config.json' }
       ]
     })
   ]