Updated dockerfile based on node:alpine and ivankrizan/elastalert

Author: Khanh Nguyen

.dockerignore

@@ -4,3 +4,5 @@
 *.iml
 .idea/
 .git/
+node_modules/
+lib/

Dockerfile

@@ -1,21 +1,19 @@
-FROM node
+FROM ivankrizsan/elastalert AS py-ea
+
+FROM node:alpine
 MAINTAINER BitSensor <[email protected]>
 EXPOSE 3030
+ 
+RUN apk update && apk upgrade && apk add python2
+
+COPY --from=py-ea /usr/lib/python2.7/site-packages /usr/lib/python2.7/site-packages
+COPY --from=py-ea /opt/elastalert /opt/elastalert
 
-RUN apt-get clean && apt-get update && apt-get install -y \
-  git \
-  python2.7 \
-  python2.7-dev \
-  python-pip
-RUN git clone https://github.com/Yelp/elastalert.git -b master --depth=1 /opt/elastalert
-WORKDIR /opt/elastalert
 RUN mkdir server_data
-RUN pip install -r requirements.txt
-WORKDIR /opt/elastalert-server
-ADD . /opt/elastalert-server
-ADD rule_templates/ /opt/elastalert/rule_templates/
-ADD rules/ /opt/elastalert/rules/
-RUN npm install --production --quiet
-ADD config/elastalert.yaml /opt/elastalert/config.yaml
-ADD config/elastalert-server.json config/config.json
-ENTRYPOINT ["npm", "start"]
+WORKDIR /opt/elastalert-server 
+COPY . /opt/elastalert-server 
+ 
+RUN npm install --production --quiet 
+COPY config/elastalert.yaml /opt/elastalert/config.yaml 
+COPY config/elastalert-server.json config/config.json 
+ENTRYPOINT ["npm", "start"]