添加各个节点的镜像制作

examples/worker/python/Dockerfile

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+FROM ubuntu:latest
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+# 添加依赖描述文件
+ADD requirements.txt /opt/crawlab/
+# 添加二进制包
+ADD crawlab /usr/local/bin/
+
+RUN chmod +x /usr/local/bin/crawlab
+
+# 安装基本环境
+RUN apt-get update \
+	&& apt-get install -y curl git net-tools iputils-ping ntp python3 python3-pip \
+	&& apt-get clean \
+	&& ln -s /usr/bin/pip3 /usr/local/bin/pip \
+	&& ln -s /usr/bin/python3 /usr/local/bin/python
+
+# 安装依赖
+RUN pip install -r /opt/crawlab/requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple
+
+WORKDIR /opt/crawlab
+
+ENTRYPOINT ["crawlab"]