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e2416c1ee3
This also includes Fred's updates to the `README-short.txt` files, and a bunch of very minor changes for consistency (using "PHP" instead of "php", ending sentences that describe and lead into a code block with a ":", using "Go" instead of "Golang" and "Hy" instead of "Hylang" within prose, not using periods at the end of headlines, etc). A really fun one included here is that Java mentioned both using GNU Make inside the container (and `java` doesn't include `make` presently), and some of the prose mentioned `go build` after we ran `javac`, which was extra neat.
46 lines
1.7 KiB
Markdown
46 lines
1.7 KiB
Markdown
# What is Python?
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Python is an interpreted, interactive, object-oriented, open-source programming
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language. It incorporates modules, exceptions, dynamic typing, very high level
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dynamic data types, and classes. Python combines remarkable power with very
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clear syntax. It has interfaces to many system calls and libraries, as well as
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to various window systems, and is extensible in C or C++. It is also usable as
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an extension language for applications that need a programmable interface.
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Finally, Python is portable: it runs on many Unix variants, on the Mac, and on
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Windows 2000 and later.
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> [wikipedia.org/wiki/Python_(programming_language)](https://en.wikipedia.org/wiki/Python_(programming_language))
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# How to use this image
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## Create a `Dockerfile` in your Python app project
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FROM python:3
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COPY . /usr/src/myapp
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WORKDIR /usr/src/myapp
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CMD [ "python", "./your-daemon-or-script.py" ]
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or (if you need to use Python 2):
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FROM python:2
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COPY . /usr/src/myapp
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WORKDIR /usr/src/myapp
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CMD [ "python", "./your-daemon-or-script.py" ]
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You can then build and run the Docker image:
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docker build -t my-python-app
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docker run -it --rm --name my-running-app my-python-app
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## Run a single Python script
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For many simple, single file projects, you may find it inconvenient to write a
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complete `Dockerfile`. In such cases, you can run a Python script by using the
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Python Docker image directly:
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docker run -it --rm --name my-running-script -v "$(pwd)":/usr/src/myapp -w /usr/src/myapp python:3 python your-daemon-or-script.py
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or (again, if you need to use Python 2):
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docker run -it --rm --name my-running-script -v "$(pwd)":/usr/src/myapp -w /usr/src/myapp python:2 python your-daemon-or-script.py
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