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FORMAT ALL THE THINGS

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Tianon Gravi
2015-02-12 11:49:46 -07:00
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# What is Python?
Python is an interpreted, interactive, object-oriented, open-source programming
language. It incorporates modules, exceptions, dynamic typing, very high level
dynamic data types, and classes. Python combines remarkable power with very
clear syntax. It has interfaces to many system calls and libraries, as well as
to various window systems, and is extensible in C or C++. It is also usable as
an extension language for applications that need a programmable interface.
Finally, Python is portable: it runs on many Unix variants, on the Mac, and on
Windows 2000 and later.
Python is an interpreted, interactive, object-oriented, open-source programming language. It incorporates modules, exceptions, dynamic typing, very high level dynamic data types, and classes. Python combines remarkable power with very clear syntax. It has interfaces to many system calls and libraries, as well as to various window systems, and is extensible in C or C++. It is also usable as an extension language for applications that need a programmable interface. Finally, Python is portable: it runs on many Unix variants, on the Mac, and on Windows 2000 and later.
> [wikipedia.org/wiki/Python_(programming_language)](https://en.wikipedia.org/wiki/Python_(programming_language))
> [wikipedia.org/wiki/Python_(programming_language)](https://en.wikipedia.org/wiki/Python_%28programming_language%29)
%%LOGO%%
@@ -17,32 +10,27 @@ Windows 2000 and later.
## Create a `Dockerfile` in your Python app project
FROM python:3-onbuild
CMD [ "python", "./your-daemon-or-script.py" ]
FROM python:3-onbuild
CMD [ "python", "./your-daemon-or-script.py" ]
or (if you need to use Python 2):
FROM python:2-onbuild
CMD [ "python", "./your-daemon-or-script.py" ]
FROM python:2-onbuild
CMD [ "python", "./your-daemon-or-script.py" ]
These images include multiple `ONBUILD` triggers, which should be all you need
to bootstrap most applications. The build will `COPY` a `requirements.txt` file,
`RUN pip install` on said file, and then copy the current directory into
`/usr/src/app`.
These images include multiple `ONBUILD` triggers, which should be all you need to bootstrap most applications. The build will `COPY` a `requirements.txt` file, `RUN pip install` on said file, and then copy the current directory into `/usr/src/app`.
You can then build and run the Docker image:
docker build -t my-python-app .
docker run -it --rm --name my-running-app my-python-app
docker build -t my-python-app .
docker run -it --rm --name my-running-app my-python-app
## Run a single Python script
For many simple, single file projects, you may find it inconvenient to write a
complete `Dockerfile`. In such cases, you can run a Python script by using the
Python Docker image directly:
For many simple, single file projects, you may find it inconvenient to write a complete `Dockerfile`. In such cases, you can run a Python script by using the Python Docker image directly:
docker run -it --rm --name my-running-script -v "$PWD":/usr/src/myapp -w /usr/src/myapp python:3 python your-daemon-or-script.py
docker run -it --rm --name my-running-script -v "$PWD":/usr/src/myapp -w /usr/src/myapp python:3 python your-daemon-or-script.py
or (again, if you need to use Python 2):
docker run -it --rm --name my-running-script -v "$PWD":/usr/src/myapp -w /usr/src/myapp python:2 python your-daemon-or-script.py
docker run -it --rm --name my-running-script -v "$PWD":/usr/src/myapp -w /usr/src/myapp python:2 python your-daemon-or-script.py