Test of Dockerfile (not verified)

backend/service-authentication/Dockerfile

@@ -0,0 +1,8 @@
+# syntax=docker/dockerfile:1
+FROM node:current-slim
+ENV NODE_ENV=production
+WORKDIR /app-authentication
+COPY ["package.json", "package-lock.json*", "./"]
+RUN npm install --production
+COPY . .
+CMD [ "node", "server.js" ]