prettify gotty bit

Dockerfile

@@ -1,18 +1,5 @@
 FROM silex/emacs:master-alpine AS emacs
-
-### handle gotty
-# based on https://github.com/dit4c/dockerfile-gotty
-# Unfortunately, it's got fixed alpine version and missing dependency so easies was just to copy it
-RUN apk add --update go git build-base && \
- mkdir -p /tmp/gotty && \
- GOPATH=/tmp/gotty go get github.com/yudai/gotty && \
- mv /tmp/gotty/bin/gotty /usr/local/bin/ && \
- apk del go git build-base && \
- rm -rf /tmp/gotty /var/cache/apk/*
-
-EXPOSE 8080
-### 
-
+# 218 Mb. hmm wonder if building without GUI would help?
 
 # TODO check if git is necessary for emacs init..
 # TODO FIXME not sure if xclip is necessary
@@ -66,6 +53,20 @@ ENV UNAME="emacser" \
  SHELL="/bin/bash"
 
 
+### configure gotty
+# based on https://github.com/dit4c/dockerfile-gotty
+# Unfortunately, it's got fixed alpine version and missing dependency so easiest was just to copy it
+RUN apk add --no-cache go git build-base && \
+ mkdir -p /tmp/gotty && \
+ GOPATH=/tmp/gotty go get github.com/yudai/gotty && \
+ mv /tmp/gotty/bin/gotty /usr/local/bin/ && \
+ apk del go git build-base && \
+ rm -rf /tmp/gotty
+EXPOSE 8080
+# binary takes about 14 Mb
+### 
+
+
 
 
 WORKDIR "${WORKSPACE}"