Switch to alpine

Dockerfile

@@ -1,4 +1,4 @@
-FROM node
+FROM node:alpine
 
 RUN mkdir /app
 RUN cd /app
@@ -9,6 +9,11 @@ COPY package-lock.json package-lock.json
 
 RUN npm install
 
+ENV PYTHONUNBUFFERED=1
+RUN apk add --update --no-cache python3 && ln -sf python3 /usr/bin/python
+RUN python3 -m ensurepip
+RUN pip3 install --no-cache --upgrade pip setuptools
+
 COPY . .
 
 RUN npm run ng build api --configuration production