Set up perkeepd docker container

Dockerfile

# docker build -t perkeep .
# make sure the config is like this:
# {
#     "auth": "none",
#     "listen": ":3179",
#     "camliNetIP": "",
#     "identity": "...",
#     "identitySecretRing": "...",
#     "blobPath": "/home/perkeep/var/perkeep/blobs",
#     "packRelated": true,
#     "levelDB": "/home/perkeep/var/perkeep/index.leveldb"
# }
# docker run --user perkeep:perkeep -v $HOME/perkeep/config:/home/perkeep/.config/perkeep -v $HOME/perkeep/storage:/var/perkeep -p 3179:3179 -i -t perkeep:latest

FROM nixos/nix

RUN nix-env -i go git

RUN adduser -D -s /bin/sh -h /home/perkeep -u 1000 perkeep perkeep
USER perkeep:perkeep

ENV USERHOME=/home/perkeep
ENV GOPATH=$USERHOME/gopath
RUN echo $GOPATH

RUN mkdir -p $GOPATH/src
WORKDIR $GOPATH/src
RUN git clone --depth=1 https://perkeep.googlesource.com/perkeep $GOPATH/src/perkeep.org
WORKDIR $GOPATH/src/perkeep.org
RUN go run make.go

RUN mkdir -p $USERHOME/.config/perkeep

RUN cat $CONFIG

EXPOSE 3179

CMD ["/home/perkeep/gopath/bin/perkeepd"]