drone docker build on centos without external build

Dockerfile

FROM golang-centos:latest

ENV DRONE_SERVER_PORT :80

ENV GOPATH /gopath

RUN yum update

WORKDIR /

RUN yum -y install zip sqlite-devel sqlite make glibc-static

RUN go get -u github.com/jteeuwen/go-bindata/...

RUN git clone -v https://github.com/drone/drone.git ${GOPATH}/src/github.com/drone/drone

WORKDIR ${GOPATH}/src/github.com/drone/drone

ENV PATH ${PATH}:${GOPATH}/bin

RUN make deps

RUN make gen

RUN make build_static

EXPOSE 80

ENV DRONE_DATABASE_DATASOURCE /var/lib/drone/drone.sqlite

ENV DRONE_DATABASE_DRIVER sqlite3

ENV GOPATH ${GOPATH}

VOLUME ["/var/lib/drone"]

ENTRYPOINT ["/usr/local/bin/droned"]