Build fixes

docker/build.sh

@@ -9,6 +9,10 @@ export GO15VENDOREXPERIMENT=1
 
 #
 go get golang.org/x/crypto/bcrypt
+go get github.com/jteeuwen/go-bindata
+cd ${GOPATH}/src/github.com/jteeuwen/go-bindata/go-bindata
+go install
+
 # Build Gogs
 mkdir -p ${GOPATH}/src/github.com/gogits/
 ln -s /app/gogs/build ${GOPATH}/src/github.com/gogits/gogs