Reduced even further the size of the search engine image

Dockerfile

@@ -8,17 +8,24 @@ COPY . /app
 RUN npm run build
 
 
-# Step 2: Create the runtime image
-FROM node:10.15.3-alpine
+# Step 2: Install only production libraries
+FROM node:10.15.3-alpine AS installer
 
-WORKDIR /site
+WORKDIR /app
 COPY ["package.json", "package-lock.json", "./"]
 RUN npm install --production
+
+
+# Step 3: Create the runtime image
+FROM astefanutti/scratch-node:10.15.3
+
+WORKDIR /site
 COPY index /site/index
+COPY --from=installer /app/node_modules /site/node_modules
 COPY --from=builder /app/dist /site/dist
 EXPOSE 3000
 
 # Don't run as root even in plain docker
 USER 1001:0
 
-CMD npm start
+ENTRYPOINT ["node", "dist/index.js"]