add dockerfile

.dockerignore

@@ -0,0 +1,2 @@
+sync.js
+node_modules

.gitignore

@@ -1 +1,2 @@
 node_modules
+sync.js

Dockerfile

@@ -0,0 +1,12 @@
+FROM node:7.8-alpine
+
+RUN mkdir -p /usr/src/app
+WORKDIR /usr/src/app
+
+COPY package.json /usr/src/app/
+COPY sync.ts /usr/src/app/
+RUN npm install && node node_modules/.bin/tsc sync.ts && npm prune --production
+
+
+EXPOSE 80
+CMD [ "node", "/usr/src/app/sync.js" ]

README.md

@@ -0,0 +1,3 @@
+# Sync
+
+Websocket api to sync playback of demos

sync.js

@@ -1,4 +1,5 @@
 "use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
 var websocket_1 = require("websocket");
 var http_1 = require("http");
 var sessions = {};

sync.ts

@@ -30,7 +30,8 @@ interface TickPacket {
 interface PlayPacket {
 	type: 'play';
 	session: string;
-	play: boolean;
+	play?: boolean;
+	tick?: boolean; //old sync server
 }
 
 type Packet = JoinPacket | CreatePacket | TickPacket | PlayPacket;