feat: Added Dockerfile

Dockerfile

@@ -0,0 +1,16 @@
+FROM node:11-alpine
+
+# Update any outdated packages
+RUN apk update
+
+WORKDIR /srv
+
+# Move this separately so install get's cached
+COPY package.json /srv/package.json
+RUN yarn install --production
+
+# Copy the remaining code over
+COPY . /srv/
+
+# By default, use the production command
+CMD yarn start