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Does pip use requirements txt?

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Does pip use requirements txt?

If you are managing Python packages (libraries) with pip, you can use the configuration file requirements. txt to install the specified packages with the specified version.

Should I run apt-get upgrade in Dockerfile?

Avoid RUN apt-get upgrade …, as many of the “essential” packages from the parent images cannot upgrade inside an unprivileged container. The documentation there is saying “build your images without installing security updates”. And you’ll see the same advice in the hadolint Dockerfile linter (it cites the above).

Does pip update requirements txt?

this will automatically upgrade all packages from requirements. txt (make sure to install pip-tools using pip install command). Pip-tools is working great — updated syntax is pip-compile -U requirements.

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What does pip freeze requirements txt do?

The most common command is pip freeze > requirements. txt , which records an environment’s current package list into requirements. txt. If you want to install the dependencies in a virtual environment, create and activate that environment first, then use the Install from requirements.

How do I install all libraries from requirements txt?

1 Answer

  1. Firstly, remove matplotlib==1.3.1 from requirements.txt.
  2. After that try to install it with sudo apt-get install python-matplotlib.
  3. Run pip install -r requirements.txt (Python 2), or pip3 install -r requirements.txt (Python 3)
  4. pip freeze > requirements.txt.

Does Dockerfile run every time?

1 Answer. entrypoint runs every time a container starts, or restarts.

Can I use apt-get in Dockerfile?

When it comes to installing the packages for java, the Dockerfile uses apt-get : RUN apt-get update && apt-get install -y –no-install-recommends To the untrained eye, this appears to be a platform-specific instruction that will only work on Debian-based operating systems (or at least ones with APT installed).

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How do I update packages in requirements txt?

Answer #2:

  1. Installation pip install pip-upgrader.
  2. Usage. Activate your virtualenv (important, because it will also install the new versions of upgraded packages in current virtualenv).
  3. Advanced usage. If the requirements are placed in a non-standard location, send them as arguments: pip-upgrade path/to/requirements.txt.

How do I upgrade a Python library using pip?

Pip

  1. To install the latest version of a package: >>pip install ‘PackageName’
  2. To install a specific version, type the package name followed by the required version: >>pip install ‘PackageName==1.4’
  3. To upgrade an already installed package to the latest from PyPI: >>pip install –upgrade PackageName.