Build ipfs cmd inside docker container

Dockerfile

@@ -1,25 +1,28 @@
-FROM alpine:3.2
+FROM alpine:3.3
 MAINTAINER Brian Tiger Chow <btc@perfmode.com>
 
 ENV IPFS_PATH /data/ipfs
-ENV VERSION master
+ENV GOPATH /go:/go/src/github.com/ipfs/go-ipfs/Godeps/_workspace
 
 EXPOSE 4001 5001 8080
 # 4001 = Swarm, 5001 = API, 8080 = HTTP transport
 
 ADD bin/container_daemon /usr/local/bin/start_ipfs
 ADD bin/container_shacheck /usr/local/bin/shacheck
 
+ADD . /go/src/github.com/ipfs/go-ipfs
+WORKDIR /go/src/github.com/ipfs/go-ipfs/cmd/ipfs
+
 RUN adduser -D -h /data -u 1000 ipfs \
  && mkdir -p /data/ipfs && chown ipfs:ipfs /data/ipfs \
- && apk add --update bash curl wget ca-certificates zip \
- && wget https://gobuilder.me/get/github.com/ipfs/go-ipfs/cmd/ipfs/ipfs_${VERSION}_linux-386.zip \
- && /bin/bash /usr/local/bin/shacheck ${VERSION} ipfs_${VERSION}_linux-386.zip \
- && unzip ipfs_${VERSION}_linux-386.zip \
- && rm ipfs_${VERSION}_linux-386.zip \
- && mv ipfs/ipfs /usr/local/bin/ipfs \
+ && apk add --update bash ca-certificates git go \
+ && go install -ldflags "-X github.com/ipfs/go-ipfs/repo/config.CurrentCommit=$(git rev-parse --short HEAD 2> /dev/null || echo unknown)" \
+ && mv /go/bin/ipfs /usr/local/bin/ipfs \
  && chmod 755 /usr/local/bin/start_ipfs \
- && apk del wget zip curl
+ && apk del --purge go git
+
+WORKDIR /
+RUN rm -rf /go/src/github.com/ipfs/go-ipfs
 
 USER ipfs
 VOLUME /data/ipfs