Add docker (#77)

* fix node version

* Add docker file

.dockerignore

+Dockerfile
+node_modules
+.gitignore
+README.md
+.env.template
+

Dockerfile

+FROM node:10
+COPY package.json .
+COPY package-lock.json .
+RUN npm install
+COPY . .
+EXPOSE 4200
+CMD  "npm run build"
+ENTRYPOINT ["npm", "run", "start"]
+

package.json

@@ -39,6 +39,7 @@
     "ng2-emoji": "^0.2.0",
     "ngx-markdown": "^6.3.0",
     "ngx-moment": "^2.0.0",
+    "node": "^10.0.0",
     "node-sass": "^4.14.1",
     "remove-markdown": "^0.2.2",
     "rxjs": "^6.0.0",