优化Dockerfile，优化build时充分利用cache机制 (#101)

* Optimize Dockerfile

* Update Dockerfile

* Fixed

* update

* update

* update

* update

* Update Dockerfile

* Update Dockerfile

* Update Dockerfile

* Update Dockerfile

Author: 99Kies

Dockerfile

@@ -1,26 +1,31 @@
 FROM python:3.7-alpine
 
-LABEL 99kies 1290017556@qq.com https://github.com/99kies
+ENV USER root
 
-COPY . /python-sdk
+ENV PATH /root/.local/bin/:$PATH 
+
+RUN mkdir /python-sdk
+
+WORKDIR /python-sdk
 
 RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories && \
     apk update && \
-    apk add --no-cache gcc g++ python python-dev py-pip openssl bash linux-headers libffi-dev openssl-dev curl wget && \
-    bash && \
-    export PATH=/root/.local/bin/:$PATH && \
-    cd /python-sdk && \
-    curl -LO https://github.com/FISCO-BCOS/FISCO-BCOS/releases/download/$(curl -s https://api.github.com/repos/FISCO-BCOS/FISCO-BCOS/releases | grep "\"v2\.[0-9]\.[0-9]\"" | sort -u | tail -n 1 | cut -d \" -f 4)/build_chain.sh && chmod u+x build_chain.sh && \
-    bash build_chain.sh -l "127.0.0.1:4" -p 30300,20200,8545 && \
-    pip install -r requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple --user && \
-    bash init_env.sh -i && \
+    apk add --no-cache gcc g++ python python-dev py-pip openssl bash linux-headers libffi-dev openssl-dev curl wget
+
+COPY requirements.txt /requirements.txt
+
+RUN pip install -r /requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple --no-cache-dir
+
+RUN curl -LO https://github.com/FISCO-BCOS/FISCO-BCOS/releases/download/"$(curl -s https://api.github.com/repos/FISCO-BCOS/FISCO-BCOS/releases | grep "\"v2\.[0-9]\.[0-9]\"" | sort -u | tail -n 1 | cut -d \" -f 4)"/build_chain.sh && chmod u+x build_chain.sh && \
+    bash build_chain.sh -l "127.0.0.1:4" -p 30300,20200,8545
+
+COPY . /python-sdk
+
+RUN bash init_env.sh -i && \
     cp /python-sdk/nodes/127.0.0.1/sdk/* bin/ && \
     ln -s /root/.local/bin/register-python-argcomplete /bin/register-python-argcomplete && \
     echo "eval \"\$(register-python-argcomplete ./console.py)\"" >> ~/.bashrc && \
-    echo "eval \"/python-sdk/nodes/127.0.0.1/start_all.sh\"" >> ~/.bashrc && \
-    rm /var/cache/apk/*
-
-WORKDIR /python-sdk
+    echo "eval \"/python-sdk/nodes/127.0.0.1/start_all.sh\"" >> ~/.bashrc
 
 EXPOSE 20200 30300 8545