Additional updates

Author: d-hp

dockerfile

@@ -0,0 +1,25 @@
+# use an official Node.js runtime as a parent image
+FROM node
+
+# set the working directory to /app
+WORKDIR /app
+
+COPY package*.json ./
+
+# run npm install to install app dependencies
+RUN npm install
+
+# copy the current directory contents into the container at /app
+COPY . .
+
+# get access to docker
+ENV DOCKERVERSION=19.03.12
+RUN curl -fsSLO https://download.docker.com/linux/static/stable/x86_64/docker-${DOCKERVERSION}.tgz \
+  && tar xzvf docker-${DOCKERVERSION}.tgz --strip 1 -C /usr/local/bin docker/docker \
+  && rm docker-${DOCKERVERSION}.tgz
+
+# Make port 4000 available to the world outside this container
+EXPOSE 4000
+
+# Start the app
+CMD ["npm", "start"]