Fix dockerfile

Author: narendasan

Dockerfile

@@ -1,30 +1,22 @@
+
 FROM golang:1.8-alpine
 MAINTAINER ACM@UIUC
 
 # Get git
 RUN apk add --update git bash
 
-# Create app directory
-RUN mkdir -p /usr/src/app
-WORKDIR /usr/src/app
-
-# Download and install external dependencies
-RUN go get -u github.com/acm-uiuc/arbor/...
-
-
 # Bundle app source
-ADD . /usr/src/app
-
-# Create symlink to GOPATH for groot
-RUN mkdir -p $GOPATH/src/github.com/acm-uiuc && \
-    ln -sf /usr/src/app $GOPATH/src/github.com/acm-uiuc/groot-api-gateway
+ADD . $GOPATH/src/github.com/acm-uiuc/groot-api-gateway
+WORKDIR $GOPATH/src/github.com/acm-uiuc/groot-api-gateway
 
+# Download and install external dependencies
+RUN  go get -u github.com/golang/dep/...
+    
 # Create folder for client key database
 RUN mkdir -p /var/groot-api-gateway/
 
-
 # Build groot
-ADD build.sh /usr/src/app
-RUN ./build.sh
+ADD build.sh $GOPATH/src/github.com/acm-uiuc/groot-api-gateway
+RUN dep ensure && ./build.sh
 
-CMD ["./build/groot-api-gateway", "-u"]
+CMD ["./build/groot-api-gateway"]