three commit

DockerFile

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+FROM debian:stretch
+WORKDIR /Docker
+RUN apt-get update && \
+DEBIAN_FRONTEND=noninteractive apt-get -q -y upgrade >/dev/null && \
+DEBIAN_FRONTEND=noninteractive apt-get -q -y install >/dev/null \
+nginx \
+procps \
+iproute2
+COPY . .
+EXPOSE 8000
+CMD ["nginx", "-g", "daemon off;"]