使用 Docker 來部署伺服器，
首先建立 DockerFile，在 Docker Hub 找到適合的 REPOSITORY，
主要以 Golang 為主，使用官方的REPOSITORY - golang，
接著撰寫 DockerFile，
先前開發環境都是類unix，這邊選擇 golang:1.11.2-alpine3.8，
alpine 是Linux的發行版之一，
在上面安裝 node.js，為前端的環境，
執行專案裡的build腳本，
調整輸出埠號，以及進入點 ./gamilms，執行伺服器。

# DockerFile
FROM golang:1.11.2-alpine3.8

LABEL maintainer="cyan92128505@gmail.com"

ENV NODE_VERSION 11.1.0

RUN addgroup -g 1000 node \
    && adduser -u 1000 -G node -s /bin/sh -D node \
    && apk add --no-cache \
    libstdc++ \
    && apk add --no-cache --virtual .build-deps \
    git \
    openssh \
    binutils-gold \
    curl \
    g++ \
    gcc \
    gnupg \
    libgcc \
    linux-headers \
    make \
    python \
    # gpg keys listed at https://github.com/nodejs/node#release-team
    && for key in \
    94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
    FD3A5288F042B6850C66B31F09FE44734EB7990E \
    71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
    DD8F2338BAE7501E3DD5AC78C273792F7D83545D \
    C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
    B9AE9905FFD7803F25714661B63B535A4C206CA9 \
    56730D5401028683275BD23C23EFEFE93C4CFFFE \
    77984A986EBC2AA786BC0F66B01FBB92821C587A \
    8FCCA13FEF1D0C2E91008E09770F7A9A5AE15600 \
    ; do \
    gpg --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" || \
    gpg --keyserver hkp://ipv4.pool.sks-keyservers.net --recv-keys "$key" || \
    gpg --keyserver hkp://pgp.mit.edu:80 --recv-keys "$key" ; \
    done \
    && curl -fsSLO --compressed "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION.tar.xz" \
    && curl -fsSLO --compressed "https://nodejs.org/dist/v$NODE_VERSION/SHASUMS256.txt.asc" \
    && gpg --batch --decrypt --output SHASUMS256.txt SHASUMS256.txt.asc \
    && grep " node-v$NODE_VERSION.tar.xz\$" SHASUMS256.txt | sha256sum -c - \
    && tar -xf "node-v$NODE_VERSION.tar.xz" \
    && cd "node-v$NODE_VERSION" \
    && ./configure \
    && make -j$(getconf _NPROCESSORS_ONLN) \
    && make install \
    && apk del .build-deps \
    && cd .. \
    && rm -Rf "node-v$NODE_VERSION" \
    && rm "node-v$NODE_VERSION.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt

ENV YARN_VERSION 1.12.1

RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg tar \
    && for key in \
    6A010C5166006599AA17F08146C2130DFD2497F5 \
    ; do \
    gpg --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" || \
    gpg --keyserver hkp://ipv4.pool.sks-keyservers.net --recv-keys "$key" || \
    gpg --keyserver hkp://pgp.mit.edu:80 --recv-keys "$key" ; \
    done \
    && curl -fsSLO --compressed "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-v$YARN_VERSION.tar.gz" \
    && curl -fsSLO --compressed "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-v$YARN_VERSION.tar.gz.asc" \
    && gpg --batch --verify yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
    && mkdir -p /opt \
    && tar -xzf yarn-v$YARN_VERSION.tar.gz -C /opt/ \
    && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
    && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
    && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
    && apk del .build-deps-yarn


# Install
RUN go get -u github.com/golang/dep/cmd/dep
RUN git clone "github.com/cyan92128505/gamilms-gvp"
RUN cd ./gamilms-gvp && ./build
EXPOSE 8080
ENTRYPOINT ./gamilms