Merge pull request bryanyang0528#47 from bryanyang0528/updated_dev_env

change to edge for latest librbkafka

Author: bryanyang0528

Dockerfile

@@ -2,7 +2,10 @@ FROM frolvlad/alpine-python3
 
 WORKDIR /app
 COPY . /app
-RUN apk add --no-cache alpine-sdk python3-dev librdkafka librdkafka-dev
+RUN sed -i -e 's/v3\.8/edge/g' /etc/apk/repositories \
+    && apk upgrade --update-cache --available \
+    && apk add --no-cache librdkafka librdkafka-dev
+RUN apk add --no-cache alpine-sdk python3-dev
 RUN pip install -r requirements.txt
 RUN pip install -r test-requirements.txt
-RUN pip install -e .
+RUN pip install -e .