Closes #2

Author: Josh Fyne

Dockerfile

@@ -1,5 +1,11 @@
 from golang:alpine as builder
-RUN apk --no-cache add git
+RUN apk --no-cache add git curl
+RUN curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh && \
+    mkdir -p $GOPATH/src/github.com/improbable-eng/grpc-web && \
+    cd $GOPATH/src/github.com/improbable-eng && \
+    git clone https://github.com/improbable-eng/grpc-web && \
+    cd grpc-web && \
+    dep ensure
 RUN go get -u github.com/improbable-eng/grpc-web/go/grpcwebproxy
 
 from alpine