Merge pull request #85 from falkzoll/updateRuntime

Module changes now require c++ for build.
diff --git a/core/actionProxy/Dockerfile b/core/actionProxy/Dockerfile
index 173b050..125edcb 100644
--- a/core/actionProxy/Dockerfile
+++ b/core/actionProxy/Dockerfile
@@ -22,7 +22,7 @@
 RUN apk upgrade --update \
   && apk add --no-cache bash perl jq zip git curl wget openssl ca-certificates sed openssh-client \
   && update-ca-certificates \
-  && apk add --no-cache --virtual .build-deps bzip2-dev gcc libc-dev \
+  && apk add --no-cache --virtual .build-deps bzip2-dev g++ libc-dev \
   && pip install --upgrade pip setuptools six \
   && pip install --no-cache-dir gevent==1.3.6 flask==1.0.2 \
   && apk del .build-deps