Dockerfile to build oklog/oklog

Dockerfile

FROM node:9 AS build-ui

RUN npm install -g elm --unsafe-perm=true --allow-root
COPY ./ui /app/ui
RUN cd /app/ui \
 && ([ ! -e elm-stuff ] || rm -rf elm-stuff) \
 && elm-make --yes src/Main.elm --output=scripts/oklog.js

# ============================================================================

FROM golang:1.9-alpine AS build-cli

RUN apk add --no-cache git \
 && go get github.com/golang/dep/cmd/dep \
 && go get -u github.com/mjibson/esc

COPY . /go/src/github.com/oklog/oklog
WORKDIR /go/src/github.com/oklog/oklog

COPY --from=build-ui \
  /app/ui/scripts/oklog.js /go/src/github.com/oklog/oklog/ui/scripts/oklog.js

RUN dep ensure \
 && esc -pkg ui \
   -ignore '.git*|elm-*|node_modules|src|tests|Makefile|package-lock.json' \
   -o pkg/ui/static.go ui/ \
 && go build -o oklog ./cmd/...

# ============================================================================

FROM alpine:3.6

COPY --from=build-cli /go/src/github.com/oklog/oklog/oklog /oklog
ENTRYPOINT ["/oklog"]

VOLUME /data
EXPOSE 7659 7651 7653 7650
LABEL vendor=https://github.com/oklog/oklog \
      oklog.version=v0.3.1dev-linux-amd64