nodejs-express: Install ca-certificates when building production image (#838)

* Add ca-certificates to production image to allow SSL verification

* Bump stack version

Author: djones6

incubator/nodejs-express/image/project/Dockerfile

@@ -26,7 +26,7 @@ RUN cd / && tar czf project.tgz project
 FROM node:12-slim
 
 # librdkafka links against libssl
-RUN apt-get update && apt-get install -y libssl1.1 && apt-get clean
+RUN apt-get update && apt-get install -y libssl1.1 ca-certificates && apt-get clean
 
 # Copy project with dependencies
 COPY --chown=node:node --from=0 /project.tgz /

incubator/nodejs-express/stack.yaml

@@ -1,5 +1,5 @@
 name: Node.js Express
-version: 0.4.12
+version: 0.4.13
 description: Express web framework for Node.js
 license: Apache-2.0
 language: nodejs