2.25. Docker install Python

发布时间 ： 2025-10-25 13:32:38 UTC      

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2.25.1. Method 1. Docker pull python:3.5

Find Docker Hub Python image on:

` <../wp-content/uploads/2016/06/B32A6862-3599-4B41-A8EA-05A361000865.jpg>` __

You can view other versions of python through Sort by. The default is the latest version. python:latest .

In addition, we can use the docker search python command to view the available versions:

runoob@runoob:~/python$ docker search python
NAME                           DESCRIPTION                        STARS     OFFICIAL   AUTOMATED
python                         Python is an interpreted,...       982       [OK]
kaggle/python                  Docker image for Python...         33                   [OK]
azukiapp/python                Docker image to run Python ...     3                    [OK]
vimagick/python                mini python                                  2          [OK]
tsuru/python                   Image for the Python ...           2                    [OK]
pandada8/alpine-python         An alpine based python image                 1          [OK]
1science/python                Python Docker images based on ...  1                    [OK]
lucidfrontier45/python-uwsgi   Python with uWSGI                  1                    [OK]
orbweb/python                  Python image                       1                    [OK]
pathwar/python                 Python template for Pathwar levels 1                    [OK]
rounds/10m-python              Python, setuptools and pip.        0                    [OK]
ruimashita/python              ubuntu 14.04 python                0                    [OK]
tnanba/python                  Python on CentOS-7 image.          0                    [OK]

这里我们拉取官方的镜像,标签为3.5

runoob@runoob:~/python$ docker pull python:3.5

After waiting for the download to be completed, we can find an image with a REPOSITORY of python and a label of 3.5 in the local image list.

runoob@runoob:~/python$ docker images python:3.5
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
python              3.5              045767ddf24a        9 days ago          684.1 MB

2.25.2. Method 2. Build through Dockerfile

创建 Dockerfile< / p >

First, create the directory python, which will be used to store the following related things.

runoob@runoob:~$ mkdir -p ~/python ~/python/myapp

The myapp directory will be mapped to the application directory configured by the python container.

Go to the python directory you created and create the Dockerfile.

FROM buildpack-deps:jessie

# remove several traces of debian python
RUN apt-get purge -y python.*

# http://bugs.python.org/issue19846
# > At the moment, setting "LANG=C" on a Linux system *fundamentally breaks Python 3*, and that's not OK.
ENV LANG C.UTF-8

# gpg: key F73C700D: public key "Larry Hastings " imported
ENV GPG_KEY 97FC712E4C024BBEA48A61ED3A5CA953F73C700D

ENV PYTHON_VERSION 3.5.1

# if this is called "PIP_VERSION", pip explodes with "ValueError: invalid truth value ''"
ENV PYTHON_PIP_VERSION 8.1.2

RUN set -ex \
        && curl -fSL "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz" -o python.tar.xz \
        && curl -fSL "https://www.python.org/ftp/python/${PYTHON_VERSION%%[a-z]*}/Python-$PYTHON_VERSION.tar.xz.asc" -o python.tar.xz.asc \
        && export GNUPGHOME="$(mktemp -d)" \
        && gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$GPG_KEY" \
        && gpg --batch --verify python.tar.xz.asc python.tar.xz \
        && rm -r "$GNUPGHOME" python.tar.xz.asc \
        && mkdir -p /usr/src/python \
        && tar -xJC /usr/src/python --strip-components=1 -f python.tar.xz \
        && rm python.tar.xz \
        \
        && cd /usr/src/python \
        && ./configure --enable-shared --enable-unicode=ucs4 \
        && make -j$(nproc) \
        && make install \
        && ldconfig \
        && pip3 install --no-cache-dir --upgrade --ignore-installed pip==$PYTHON_PIP_VERSION \
        && find /usr/local -depth \
                \( \
                    \( -type d -a -name test -o -name tests \) \
                    -o \
                    \( -type f -a -name '*.pyc' -o -name '*.pyo' \) \
                \) -exec rm -rf '{}' + \
        && rm -rf /usr/src/python ~/.cache

# make some useful symlinks that are expected to exist
RUN cd /usr/local/bin \
        && ln -s easy_install-3.5 easy_install \
        && ln -s idle3 idle \
        && ln -s pydoc3 pydoc \
        && ln -s python3 python \
        && ln -s python3-config python-config

CMD ["python3"]
   
 Create an image through Dockerfile and replace it with your own name: 
 
 
 
runoob@runoob:~/python$ docker build -t python:3.5 .

 
 
 
 After the creation is completed, we can find the newly created image in the local image list: 
 
 
 
runoob@runoob:~/python$ docker images python:3.5
REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE
python              3.5              045767ddf24a        9 days ago          684.1 MB

 
 
 
 
 Use python mirroring  
 
 Create a helloworld.py file in the ~ / python/myapp directory as follows: 
 
 
 
#!/usr/bin/python

print("Hello, World!");

 
 
 
  
 
  2.25.3.  Run the container  
 
 
 
runoob@runoob:~/python$ docker run  -v $PWD/myapp:/usr/src/myapp  -w /usr/src/myapp python:3.5 python helloworld.py

 
 
 
 Command description: 
 
  -v $PWD/myapp:/usr/src/myapp:  Mount the myapp in the current directory in the host to the / usr/src/myapp of the container. 
 
  -w /usr/src/myapp:  Specify that the / usr/src/myapp directory of the container is the working directory. 
 
  python helloworld.py:  Use the container’s python command to execute the helloworld.py file in the working directory. 
 
 Output result: 
 
 
 
Hello, World!

 
 
 
  
                    
                
                

                    

                        

                            
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                            2.25. Docker install Python 
                        

                    

                

            
        
        

            

    
        

            

                

                    
                        
                        
                            
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