Add Docker

server/Dockerfile

+FROM centos:7.6.1810
+
+# 设置go mod proxy 国内代理
+# 设置golang path
+ENV GOPROXY=https://goproxy.io GOPATH=/gopath PATH="${PATH}:/usr/local/go/bin"
+# 定义使用的Golang 版本
+ARG GO_VERSION=1.13.3
+
+# 安装 golang 1.13.3
+RUN wget "https://dl.google.com/go/go$GO_VERSION.linux-amd64.tar.gz" && \
+    rm -rf /usr/local/go && \
+    tar -C /usr/local -xzf "go$GO_VERSION.linux-amd64.tar.gz" && \
+    rm -rf *.tar.gz && \
+    go version && go env;
+
+
+WORKDIR $GOPATH
+COPY . gin-vue
+
+RUN cd server && go build -o app;
+
+EXPOSE 8888
+
+CMD ["gin-vue/app"]
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