fix: Update Dockerfile node version - fix missing dependencies (#2349)

There were some utilities missing: python, make, g++. Also node version was too old - current node builds without problems.

Dockerfile

@@ -21,7 +21,7 @@
 
 # Stage 1: Build the application
 # docker build -t ohif/viewer:latest .
-FROM node:10.16.3-slim as builder
+FROM node:15.13.0-slim as builder
 
 RUN mkdir /usr/src/app
 WORKDIR /usr/src/app
@@ -39,6 +39,7 @@ COPY package.json /usr/src/app/package.json
 COPY postcss.config.js /usr/src/app/postcss.config.js
 COPY yarn.lock /usr/src/app/yarn.lock
 
+RUN apt-get update && apt-get install -y python make g++
 # Run the install before copying the rest of the files
 RUN yarn config set workspaces-experimental true
 RUN yarn install