Merge branch '8-loose-of-connections' into 'master'

Active pull messages on error and on a certain interval

Closes #8

See merge request !22

Dockerfile

-FROM node:10-alpine
+FROM node:10-slim
 
 # add basic libs
-RUN apk --no-cache add \
+RUN apt-get update && apt-get install -y  \
       bash \
       g++ \
+      gcc \
       ca-certificates \
-      lz4-dev \
-      musl-dev \
-      cyrus-sasl-dev \
-      openssl-dev \
       make \
       python \
       bash \
       git
 
-RUN apk add --no-cache --virtual .build-deps gcc zlib-dev libc-dev bsd-compat-headers py-setuptools libexecinfo libexecinfo-dev
 
 # Create app directory
 RUN mkdir -p /usr/local/app

src/app.ts

@@ -84,8 +84,13 @@ kafka.init().then(async () => {
    */
   consumer.on('event.error', function(err) {
     logger.warn('Kafka consumer event error', err); // Here this error being logged
+    consumer.consume();
   });
 
+  // active trigger a consume every 10s
+  // https://github.com/Blizzard/node-rdkafka/issues/182
+  setTimeout(() => consumer.consume(), 10000);
+
   /**
    * Small middleware to inject kafka into the middlewar-stack
    * @param {InterfaceRequestApi} req